Arkema France Patent applications |
Patent application number | Title | Published |
20160141534 | METHOD FOR PRODUCING AN ACTIVE LAYER CAPABLE OF EMITTING AN ELECTRIC CURRENT UNDER IRRADIATION - The present invention relates to the field of organic electronics for photovoltaic energy, i.e. conversion of light energy into electricity. More particularly, this invention relates to a method of fabrication of an active layer capable of emitting an electric current under light irradiation combining a ferroelectric polymer material and a semiconducting polymer for converting light energy into electricity. | 05-19-2016 |
20160130751 | METHOD FOR TREATING CHEMICAL PULPS BY TREATMENT WITH OZONE IN THE PRESENCE OF MAGNESIUM IONS - This invention relates to a method for treating chemical paper pulp comprising a step of treating the pulp with ozone followed by a step of alkaline extraction, in which alkaline extraction takes place in the presence of magnesium ions (Mg | 05-12-2016 |
20160130419 | PHENOLIC POLYSULPHIDES HAVING AN IMPROVED ODOUR - The present invention concerns a composition comprising at least 50% by weight of at least one poly(phenyl sulfide) and from a few ppm to 2% by weight relative to the total volume of the composition of at least one odour-masking agent comprising at least one compound chosen from alcohols, esters, aldehydes and ketones. The invention also concerns the use of an odour-masking agent for masking the odour of a poly(phenyl sulfide), in addition to the products obtained by using the poly(phenyl sulfide) composition having a masked odour. | 05-12-2016 |
20160122609 | TERNARY COMPOSITIONS FOR HIGH-CAPACITY REFRIGERATION - Compositions containing 2,3,3,3-tetrafluoropropene and to the uses thereof as heat transfer fluid, expansion agents, solvents and aerosol. Compositions of between 15 and 50 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 40 wt. % of HFC-134a and between 45 and 60 wt. %, preferably between 45 and 50 wt. %, of HFC-32. | 05-05-2016 |
20160122540 | COMPOSITION MADE FROM POLYAMIDE MXD.10 - The invention concerns a composition comprising a first polyamide, a second polyamide, different from the first polyamide, and 0.1 to 5% by weight of carbonaceous nanofillers, in which: a) the first polyamide comprises a unit derived from the condensation of meta-xylylene diamine or from a mixture of meta-xylylene diamine and para-xylylene diamine with sebacic acid, said first polyamide having a melting temperature Tf | 05-05-2016 |
20160122527 | METHOD FOR THE THERMAL TREATMENT OF POLY-ARYLENE ETHER KETONE KETONE POWDERS SUITABLE FOR LASER SINTERING - The invention relates to a process for the heat treatment of poly(arylene ether ketone ketone) powder suitable for laser sintering, and also to the powders resulting from this process. | 05-05-2016 |
20160115827 | HEAT TRANSFER PROCESS - The use of a refrigerant in organic Rankine cycle systems including at least one hydrofluoroolefin, having at least four carbon atoms represented by the formula (I) R1CH═CHR2 in which R1 and R2 independently represent alkyl groups having from 1 to 6 carbon atoms, substituted with at least one fluorine atom, optionally with at least one chlorine atom. | 04-28-2016 |
20160115427 | COMPOSITION USED TO REMOVE LABELS - The invention relates to the use of a composition for removing a label or labels from a labelled item, said composition comprising: between 1 and 3 wt. % of at least one organic or mineral base; between 2 and 10 wt. %, preferably between 3 and 8%, more preferably between 4 and 6%, of at least one water-miscible organic solvent; and water, the quantity of which is determined in such a way as to form the remainder of the total composition (100 wt. %). The invention also relates to the method for removing labels using said composition. | 04-28-2016 |
20160115362 | REFRIGERANTS CONTAINING (E)-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE - A composition including (E)-1,1,1,4,4,4-hexafluorobat-2-ene as a mixture with at least one hydrocarbon, hydrofluorocarbon or fluoroolefin compound having a boiling point less than or equal to −12° C., and also to the use of this composition as a heat transfer fluid. A process for reducing the environmental impact of heat-transfer equipment including a vapor compression circuit containing an initial heat-transfer fluid, said process comprising a step replacing the initial heat-transfer fluid in the vapor compression circuit with a final heat-transfer fluid, the final heat-transfer fluid having a GWP which is lower than the initial heat-transfer fluid, wherein the final heat-transfer fluid is the above composition. | 04-28-2016 |
20160115361 | STABLE 2,3,3,3-TETRAFLUOROPROPENE COMPOSITION - A stable composition (CS) including at least x wt.- % 2,3,3,3-tetrafluoropropene (99.8 ÿ x <100), at most y wt.- % unsaturated compound(s) (Ia) (004-28-2016 | |
20160115314 | COMPOSITION BASED ON POLY(ARYLENE ETHER KETONE) HAVING IMPROVED PROPERTIES - The present invention relates to a composition based on poly(ether ether ketone) (PEEK) comprising poly(ether ketone ketone) (PEKK), characterized in that the poly(ether ketone ketone) (PEKK) comprises a mixture of terephthalic and isophthalic units, the percentage by weight of terephthalic units, with respect to the sum of the terephthalic and isophthalic units, being between 55 and 85%, limits included, and preferably between 55 and 70%, the said composition comprising between 1 and 40%, limits included, preferably between 5 and 40% and more preferably still between 10 and 30% by weight of PEKK, with respect to the total weight of the composition. | 04-28-2016 |
20160115104 | E-1-CHLORO-3,3,3-TRIFLUOROPROPENE PRODUCTION PROCESS FROM 1,1,3,3-TETRACHLOROPROPENE - A production process for the production of E-1-chloro-3,3,3-trifluoropropene, the process including at least one stage during which 1,3,3,3-tetrachloropropene reacts with anhydrous hydrofluoric acid in the liquid phase, in the absence of a catalyst, with an HF/1,1,3,3-tetrachloropropene molar ratio between 3 and 20 inclusive, at a temperature between 50° C. and 150° C. inclusive and an absolute pressure of between 1 and 20 bar inclusive. | 04-28-2016 |
20160108229 | COMPOSITION OF POLY-ARYLENE ETHER KETONE KETONE POWDERS SUITABLE FOR LASER SINTERING - The present invention relates to a composition comprising at least one poly(arylene ether ketone) powder suitable for laser sintering and also to the process which makes it possible to obtain it, minimizing the amount by weight of remaining non-sintered powder after production of the part by sintering. | 04-21-2016 |
20160102207 | PREMIX COMPOSITION FOR BITUMENS - A premix composition for bitumens, including: from 35% to 65%, by weight of the composition, of bitumen, from 5% to 65%, by weight of the composition, of a first copolymer of an alpha-olefin and of an unsaturated carboxylic acid ester, characterized in that it additionally includes from 5% to 65% by weight of a second copolymer of an alpha-olefin, an unsaturated epoxide and an unsaturated carboxylic acid ester and in that the aforesaid first copolymer and the aforesaid second copolymer represent between 35% and 65% by weight of said composition. Also, a bituminous mix including this composition and also the use of this composition for the preparation of such a mix. | 04-14-2016 |
20160083573 | TRANSPARENT AND ANTISTATIC PMMA COMPOSITION - A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) including polyethylene glycol (PEG), with respect to the total composition weight, said copolymer including in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer. Also, the use of a composition of this type for the manufacture of at least a portion of the following items: an industrial part, an automobile part, a safety accessory, sign, luminous strip, signalling and advertizing panel, display, etching, furniture, shop fitting, decoration, contact ball, dental prosthesis, ophthalmological implant, membrane for hemodialysis, optic fibers, artwork, sculpture, camera lenses, disposable camera lenses, printing support, in particular a support for direct printing with UV inks for pictures, photographs, window glass, panoramic roof. | 03-24-2016 |
20160071852 | FERROELECTRIC MEMORY DEVICE - The invention relates to a ferroelectric memory device comprising at least one layer comprising a ferroelectric polymer, and at least two electrodes either side thereof, the ferroelectric polymer being of general formula P(VDF-X-Y), wherein VDF is vinylidene fluoride motifs, X is trifluoroethylene or tetrafluoroethylene motifs, and Y is motifs from a third monomer, the molar proportion of Y motifs in the polymer being less than or equal to 6.5%. | 03-10-2016 |
20160068725 | ADHESIVE COMPOSITION AND STRUCTURE COMPRISING AT LEAST ONE LAYER OF THE SAID COMPOSITION - The invention relates to an adhesive composition comprising
| 03-10-2016 |
20160068675 | THERMOSETTING MATERIALS WITH IMPROVED FRACTURE TOUGHNESS - The present invention relates to a composition including, by weight, the total being 100%: 50 to 99% of a curable resin and of a curing agent in a molar ratio in the range of 1/5 to 5/1, and 1 to 50% of a mixture: of a polyamide which includes at least one monomer resulting from the condensation of a diacid and of a diamine of formula (1) where: | 03-10-2016 |
20160068626 | MULTILAYER STRUCTURE COMPRISING A LAYER OF SUPRAMOLECULAR MATERIAL AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a multilayer structure comprising at least one layer of supramolecular material and one layer of rigid material, to a method for producing such a structure by casting a composition comprising a precursor of the supramolecular material, and to the uses of the structures produced, especially for applications where a dampening of impacts, vibrations and/or sound waves is desired, for example for producing locomotion vehicles such as automotive, rail, nautical, aeronautical or aerospace vehicles, or for the construction industry. | 03-10-2016 |
20160067768 | USE OF AMINE BLENDS FOR FOUNDRY SHAPED CORES AND CASTING METALS - The present invention relates to an improved process for preparing foundry shapes by the cold box process, a process for making cores and moulds and a process for casting metals, carrying out as curing catalyst system a blend comprising at least two tertiary amines. | 03-10-2016 |
20160053105 | NANOSTRUCTURED THERMOPLASTIC POLYAMIDE-GRAFTED POLYOLEFIN COMPOSITION - A composition including at least two grafted copolymers, having a polyolefin trunk and polyamide grafts, the polyamide grafts being 15% to 25% by weight of the composition. Also, a multilayered structure including a plurality of adjacent layers, at least one of which has the above composition. The first grafted copolymer is a polyolefin backbone containing a residue of at least one unsaturated monomer (X) and a plurality of polyamide grafts, the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer (X). The second copolymer is a grafted elastomeric copolymer of a polyolefin backbone. | 02-25-2016 |
20160052853 | PLATE-TYPE REACTOR WITH IN-SITU INJECTION - A chemical reactor including: a plurality of heat exchange plates which between them define reaction compartments, in which reactor each heat exchange plate includes two walls between them defining at least one heat exchange space, the respective walls being fixed together by joining regions, and the reactor also comprises at least one injection device for injecting substance into the reaction compartments, said substance-injection device passing through the heat-exchange plates in respective joining regions thereof. Also, a chemical reaction process that can be carried out in this reactor. | 02-25-2016 |
20160046786 | MASTER MIXTURE COMPOSITION INCLUDING A PEROXIDE - invention relates to a transparent master mixture that includes an ethylene copolymer | 02-18-2016 |
20160046746 | COPOLYMERS CONTAINING VINYLIDENE FLUORIDE AND TRIFLUOROETHYLENE - The subject matter of the invention is a copolymer obtained by free-radical copolymerization of vinylidene fluoride with trifluoroethylene and of at least a third monomer, the third monomer having a molar mass greater than 0 g/mol and corresponding to the formula: in which R | 02-18-2016 |
20160046548 | COMPOSITION COMPRISING HF AND 3,3,3-TRIFLUOROPROPENE - An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-l-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane. | 02-18-2016 |
20160032165 | 3,3,3-TRIFLUOROPROPENE COMPOSITION - A composition including a polyol ester (POE) or PVE lubricant and a refrigerant including 3,3,3-trifluoropropene. The refrigerant may also include 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene. The POEs may be obtained from polyols which have a neopentyl backbone, such as neopentyl glycol, trimethylol propane, pentaerythritol and dipentaerythritol. Also, the use of said composition for refrigeration, air-conditioning, and for heat pump. | 02-04-2016 |
20160031773 | COMPOSITION COMPRISING HF AND 1,3,3,3-TETRAFLUOROPROPENE - An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 1,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane. | 02-04-2016 |
20160025394 | HEAT TRANSFER FLUID - Compositions which are based on tetrafluoropropene and more particularly relates to compositions including 60% to 90% by weight of 2,3,3,3-tetrafluoropropene and 10% to 40% by weight of at least one compound selected from difluoroethane and difluoromethane, which can be used as a heat transfer fluid. The compositions may include 60% to 79% by weight of 2,3,3,3-tetrafluoropropene and 21% to 40% by weight of a compound selected from difluoroethane and difluoromethane. | 01-28-2016 |
20160024363 | TERNARY COMPOSITIONS FOR LOW-CAPACITY REFRIGERATION - Compositions containing 2,3,3,3-tetrafluoropropene and to the uses thereof as heat transfer fluid, expansion agents, solvents and aerosol. Compositions essentially containing between 10 and 90 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 80 wt. % of HFC-134a and between 5 and 10 wt. % of HFC-32. Compositions essentially containing from 10 to 45% by weight of 2,3,3,3-tetrafluoropropene, from 50 to 80% by weight of HFC-134a and from 5 to 10% by weight of HFC-32. | 01-28-2016 |
20160023974 | COMPOSITION COMPRISING HF AND E-3,3,3-TRIFLUORO-1-CHLOROPROPENE - An azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene and optionally one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, and optionally one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, 1,3,3,3-tetrafluoropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro,1,1,1,2-tetrafluoropropane. | 01-28-2016 |
20160023176 | COMPOSITION COMPRISING HF AND 3,3,3-TRIFLUORO-2-CHLOROPROPENE - An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoro-2-chloropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also an azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoro-2-chloropropene, and one or more compounds selected from among 1,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro,1,1,1,2-1 tetrafluoropropane. | 01-28-2016 |
20160017138 | LIQUID (METH)ACRYLIC SYRUP FOR IMPREGNATING A FIBROUS SUBSTRATE AND METHOD FOR THE PRODUCTION THEREOF, METHOD FOR IMPREGNATING A FIBROUS SUBSTRATE, AND COMPOSITE MATERIAL PRODUCED AFTER POLYMERISATION OF SAID PRE-IMPREGNATED SUBSTRATE - The invention relates to a liquid (meth)acrylic syrup for impregnating a fibrous substrate. The invention especially relates to a viscous liquid syrup mainly containing methacrylic or acrylic components. The invention also relates to a method for producing such a syrup. The invention relates further to a process for impregnating a fibrous substrate or long fibers with said viscous liquid syrup. The invention also relates to a fibrous substrate preimpregnated with said syrup, which is useful for the production of mechanical or structured parts or products. The invention also relates to a production method for producing mechanical or structured parts or items and to three-dimensional mechanical or structured parts produced by said method. The invention applies to the production of mechanical parts or structural elements made of impact-resistant thermoplastic composite material. | 01-21-2016 |
20160017136 | POLYVINYLIDENE FLUORIDE COMPOSITION - The invention relates to a composition comprising: a homopolymer of vinylidene fluoride (VDF) and at least one other fluorinated monomer copolymerizable with VDF, the weight proportion of said copolymer in the composition being between 10 to 35%; and a plasticisizer, the weight proportion of said plasticizer in the composition being between 1 to 5%. The invention also relates to a method for producing said composition and the use thereof for producing various items. | 01-21-2016 |
20160016894 | COMBINED SYNTHESIS OF A NITRILE-ESTER/ACID AND OF A DIESTER/DIACID - A method for the combined synthesis of a mono-unsaturated nitrile-ester(acid) and of a bi-functional carbonyl compound, wherein it includes a step including the cross metathesis mc1 of an unsaturated fatty acid/ester compound with an unsaturated nitrile compound, in which mc1 is performed with partial conversion such as to obtain and recover, separately, at least the following products: a mono-unsaturated nitrile-ester/acid and a symmetrical compound, diester or diacid respectively including a double bond located in the middle of the molecular chain of compound, and subsequently a step including the oxidation cleavage cp2 of the double bond of compound, such as to form a single type of carbonyl compound having formula R2-(CH2)n-COR′, in which R′ is H or OH, depending on the operating conditions selected for the oxidation cleavage cp2. Also, the production of monomers for the polymer industry. | 01-21-2016 |
20160016153 | GAS-PHASE AND LIQUID-GAS-PHASE NITRILATION PROCESS - A process for the nitrilation of a fatty acid or of a fatty acid ester, which is optionally unsaturated, by reacting the fatty acid or fatty acid ester with ammonia in a reactor operating continuously in the gas phase or in the mixed gas-liquid phase in a temperature range of from 180 to 400° C., in the presence of a solid catalyst comprising at least one metal oxide, the metal of which belongs to column 8 of the periodic table, as a mixture with at least one metal oxide chosen from aluminum oxides, zirconium oxides, niobium oxides, tantalum oxides and tin oxides, the metal oxide(s), the metal of which belongs to column 8, being present in a volume ratio of 0.1 to 0.6 relative to the volume of the mixture of all the oxides. | 01-21-2016 |
20160002581 | USE OF A TRANSPARENT COMPOSITION FOR PHOTOBIOREACTORS - The present invention relates to photobioreactors and more particularly to the use of a transparent composition based on at least one methacrylic polymer for constructing installations for the culture of photosensitive organisms. This composition can be in the form of films, plates, profiled elements or cylinders such as tubes. | 01-07-2016 |
20160002151 | METATHESIS PROCESS COMPRISING THE EXTRACTION OF THE ETHYLENE FORMED BY MEANS OF A MEMBRANE - A process for the metathesis of two α-olefin compounds, wherein it comprises the use of at least one membrane for extracting ethylene from the reaction medium, said membrane being permeable to gases and impermeable to liquids. A process for the metathesis of two α-olefin compounds, carried out in a reaction device including two zones separated by said at least one membrane: a first zone, fed with reactants and catalyst, in which the liquid-phase metathesis reaction is initiated and the liquid reaction medium is circulated in contact with the wall constituted by the membrane, and a second zone, fed with a gaseous stream that is inert with respect to the membrane and the constituents of the reaction medium of the first zone. | 01-07-2016 |
20160002147 | METHOD OF SYNTHESISING AMINO ACID BY METATHESIS, HYDROLYSIS, THEN HYDROGENATION - A method of synthesising an amino acid from an unsaturated fatty compound I that includes at least the following steps: cross-metathesis with a short unsaturated compound II, one of compounds I or II comprising a nitrile function and the other of these compounds II or I an ester function, so as to obtain and recover at least one monounsaturated nitrile ester NEU; hydrolysis of the NEU in unsaturated acid nitrile NAU; hydrogenation of the NAU to saturated amino acid AA; and then purification of the AA, if applicable, in particular by crystallisation. Also, a polymer obtained by polymerisation using the amino acid synthesised according to the method. | 01-07-2016 |
20150377389 | USE OF SEMI-AROMATIC COPOLYAMIDE FOR TRANSPORTING REFRIGERANT FLUID - The invention relates to the use of a layer consisting of a composition comprising a copolyamide of formula X/10.T/Y for transporting a heat transfer fluid in a vapor compression circuit, wherein: X represents either the residues of an aliphatic amino acid comprising between 8 and 18 carbon atoms, or a lactam, or the unit X | 12-31-2015 |
20150376485 | COMPOSITIONS OF 2,4,4,4-TETRAFLUOROBUT-1-ENE AND CIS-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE - A composition including 2,4,4,4-10-tetrafluorobut-1-ene and cis-1,1,1,4,4,4-hexafluorobut-2-ene, and also the use thereof in particular as a heat transfer fluid. The composition may include: from 1% to 99% of 2,4,4,4-tetrafluorobut-1-ene and from 1% to 99% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 5% to 70% of 2,4,4,4-tetrafluorobut-1-ene and from 30% to 95% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 20% to 65% of 2,4,4,4-tetrafluorobut-1-ene and from 35% to 80% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 25% to 60% of 2,4,4,4-tetrafluorobut-1-ene and from 40% to 75% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 28% to 51% of 2,4,4,4-tetrafluorobut-1-ene and from 49% to 72% of cis-1,1,1,4,4,4-hexafluorobut-2-ene. | 12-31-2015 |
20150376335 | THERMOPLASTIC STRUCTURE FOR TRANSPORTING REFRIGERANT FLUID - The invention relates to a thermoplastic structure comprising at least one layer consisting of a composition comprising a copolyamide of formula X/10.T/Y, wherein: X represents either the residues of an aliphatic amino acid comprising between 8 and 18 carbon atoms, or a lactam, or the unit X | 12-31-2015 |
20150376108 | SYNTHESIS OF A BRANCHED UNSATURATED COMPOUND BY MEANS OF CROSS METATHESIS - The invention relates to a method for the synthesis of a branched unsaturated fatty compound, said method comprising the metathesis, in the presence of a metathesis catalyst, of a linear unsaturated fatty compound and a branched olefin. The branched unsaturated fatty compound is used in particular for the production of at least one of the following products: dielectric fluids, specialty surfactants, emulsifiers, frictions agents, antistatic additives, antifogging additives, mould release agents, pigment dispersants, high-performance lubricants, waxes and wax emulsifiers, polymer conversion additives, PVC stabilising agents, inks, resins, paints, varnishes, solvents, lipsticks, creams for the skin, deodorants, particularly stick deodorants, hair dyes, shampoos and other liquid soaps, shaving foam, laundry detergents, cleaning agents, fabric softeners, and mixtures of same. | 12-31-2015 |
20150372289 | METHOD FOR MANUFACTURING AN ELECTRODE PASTE - A method for the manufacture of a paste composition suitable for the production of an electrode for lead-acid battery, including mixing a carbon nanofiller/lead oxide composite of a first particulate size with sulphuric acid, water and further lead oxide of a second particulate size. Also, the paste thus obtained, the composite used in its manufacture, and the electrode and lead-acid battery obtained from this paste. | 12-24-2015 |
20150361204 | USE OF A FLUID POLYMERIC COMPOSITION FOR ENCAPSULATING PHOTOVOLTAIC MODULES - The use of a polymeric composition as an encapsulant in a photovoltaic module, said polymeric composition including a copolymer that comprises an ethylene monomer and a carboxylic acid vinyl ester comonomer, in particular an ethylene vinyl acetate copolymer, and the polymeric composition having a Brookfield viscosity measured at 120° C. of between 10,000 mPa·s and 25,000 mPa·s. Further, a method for encapsulating a photovoltaic module using this polymeric composition. | 12-17-2015 |
20150353802 | BINARY REFRIGERATING FLUID - Binary compositions of 2,3,3,3-tetrafluoropropene and difluoromethane, and especially to the uses thereof as a heat transfer fluid in compression systems with exchangers operating in counterflow mode or in split flow mode with counterflow tendency. Also, a method of heat transfer in which a binary composition of 2,3,3,3-tetrafluoropropene and difluoromethane is used as refrigerant in compression systems with exchangers in countercurrent mode or in crossed-current mode with countercurrent tendency. | 12-10-2015 |
20150353799 | AZEOTROPIC OR QUASI-AZEOTROPIC COMPOSITION OF CHLOROMETHANE - Quasi-azeotropic or azeotropic compositions containing chloromethane and at least one or more compound(s) selected from 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 1,1,1,2-tetrafluoroethane, 1,1,1,2,2-pentafluoropropane, E/Z-1,1,3,3,3-pentafluoropropene, E/Z-1,2,3,3,3-pentafluoropropene, 1,1-difluoroethane and E-1,3,3,3-tetrafluoropropene. The composition may include either from 0.5 to 70 mol % of chloromethane and at least from 99.5 to 30 mol % of a compound selected from 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane, 3,3,3-trifluoropropene and 1,1,1,2-tetrafluoroethane, or from 55 to 95 mol % of chloromethane and at least from 45 to 5 mol % of one or more compound(s) selected from 1,1,1,2,2-pentafluoropropane, E/Z-1,1,3,3,3-pentafluoropropene, E/Z-1,2,3,3,3-pentafluoropropene and E-1,3,3,3-tetrafluoropropene. | 12-10-2015 |
20150353792 | ADHESIVE COMPOSITION AND STRUCTURE COMPRISING AT LEAST ONE LAYER OF SAID COMPOSITION - An adhesive composition including predominantly one or two polyamide(s) having units chosen from: at least one unit denoted A having an average number of carbon atoms per nitrogen atom, denoted C | 12-10-2015 |
20150353675 | CATALYTIC SYSTEMS FOR THERMOSETTING RESINS WHICH ARE DEFORMABLE IN THE THERMOSET STATE - The invention relates to a composition containing at least one catalyst (C1) containing at least one atom of an element (M1) chosen from: Al, Sc, Ti, Mg, Mn, Fe, Co, Ni, Cu, Zn, Zr, Sn, Hf, Pb, Si, Sb and In; a catalyst (C2) comprising at least one atom of an element (M2) chosen from alkali metals and alkaline-earth metals; a thermosetting resin and/or a hardener for a thermosetting resin. The invention also relates to the use of this composition for rendering a resin which is in the thermoset state hot-deformable and nevertheless free of any residual stress after the deformation thereof; such a resin will advantageously retain its shape even if it is subsequently subjected to high temperatures. The invention relates, moreover, to kits for preparing the composition, to a thermoset-resin-based object obtained from a composition of the invention, to a process for manufacturing objects, to a process for hot-deformation of objects and to various possible uses of the compositions and objects of the invention. | 12-10-2015 |
20150353479 | CROSS METATHESIS PROCESS - A process for the synthesis of an unsaturated product by cross metathesis between a first unsaturated compound having at least 8 carbon atoms and a second unsaturated compound having less than 8 carbon atoms, including: feeding a reactor with the first unsaturated compound, the second unsaturated compound and a metathesis catalyst; withdrawing an output stream, at the output of the reactor; separating the output stream, making it possible to recover at least: on the one hand, the unsaturated product and, on the other hand, the first unsaturated compound and the second unsaturated compound; recycling the first unsaturated compound and the second unsaturated compound to the reactor; in which the first unsaturated compound is capable of producing an unsaturated coproduct, including at least 14 carbon atoms, by homometathesis; and in which the flow rates for feeding the reactor with first unsaturated compound and with second unsaturated compound are adjusted. | 12-10-2015 |
20150344761 | USE OF TERNARY COMPOSITIONS - The use of a ternary composition of 2,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoroethane and difluoromethane, as a heat-transfer fluid, in compression refrigeration systems with exchangers operating in counterflow mode or in cross-flow mode with counterflow tendency. A heat-transfer process in which a ternary composition of 2,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoroethane and difluoromethane is used as a refrigerant in compression systems with exchangers operating in counterflow mode or in cross-flow mode with counterflow tendency. | 12-03-2015 |
20150344757 | COMPOSITION CONTAINING 1,1,-DIFLUOROETHANE AND 3,3,3-TRIFLUOROPROPENE - Compositions containing 1,1-difluoroethane and 3,3,3-trifluoropropene, that can be used in multiple fields of application. The composition may include from 25 to 65 mol % of 1,1-difluoroethane and from 75 to 35 mol % of 3,3,3-trifluoropropene at a temperature of between −25° C. and 25° C. and a pressure of between 1 and 6 bar. The composition may further include hydrogen fluoride. The composition may include from 20 to 55 mol % of HF, 30 to 40 mol % of 1,1-difluoroethane and 30 to 40 mol % of 3,3,3-trifluoropropene. | 12-03-2015 |
20150344416 | CROSS METATHESIS PROCESS - A process for the synthesis of an unsaturated product by cross metathesis between a first unsaturated compound having at least 8 carbon atoms and a second unsaturated compound having less than 8 carbon atoms, the first unsaturated compound being capable of producing an unsaturated coproduct comprising more than 14 carbon atoms, by homometathesis, said process including at least one production phase which includes: feeding a reactor with the first unsaturated compound; feeding the reactor with the second unsaturated compound; feeding the reactor with at least a first metathesis catalysts, then feeding the reactor with at least a second metathesis catalyst; withdrawing a product stream arising from the reactor; the turnover number of the first catalyst being higher than the turnover number of the second catalyst so as to achieve the same target degree of conversion of the first unsaturated compound. | 12-03-2015 |
20150336879 | PROCESS FOR THE SYNTHESIS OF OMEGA-UNSATURATED NITRILE-ACID/ESTER IN WHICH TWO TYPES OF CROSS METATHESIS ARE ALTERNATED CONSECUTIVELY, SWING PROCESS - A process for the synthesis of a monounsaturated nitrile-ester (acid) by cross metathesis starting from an unsaturated compound I including at least one trivalent nitrile, acid or ester functional group, wherein the process includes a stage in which two types of cross metathesis are alternated consecutively: — a first type of cross metathesis cm1 with an acrylic compound II chosen from acrylonitrile, acrylic acid or an acrylic ester, one of the compounds I or II including a nitrile functional group and the other of these compounds II or I including an acid or ester functional group, and—a second type of cross metathesis cm2 with a light C | 11-26-2015 |
20150336338 | PROCESS FOR MANUFACTURING A FIBROUS MATERIAL PRE-IMPREGNATED WITH THERMOPLASTIC POLYMER - A process for manufacturing a pre-impregnated fibrous material, including a step of impregnation of said fibrous material with a matrix being of a thermoplastic polymer in the molten state. This process is characterized in that, prior to the impregnation step, an insertion step of incorporating, into said impregnating thermoplastic polymer, a lubricant including at least one oligomer chosen from oligomers of a cyclic ester, oligomers of a cyclic ether and oligomers of an organomineral compound. This oligomer makes it possible to lubricate the thermoplastic polymer, to promote wetting of the fibres of the fibrous material, and therefore to notably improve the impregnation of the fibrous material. | 11-26-2015 |
20150331313 | METHOD FOR MANUFACTURING A NANOLITHOGRAPHY MASK - The invention concerns a manufacturing method for nanolithography masks from a PS-b-PMMA block copolymer film deposited on a surface to be etched, said copolymer film comprising PMMA nanodomains orientated perpendicularly to the surface to be etched, said method being characterized in that it comprises the following steps:
| 11-19-2015 |
20150328661 | PROCESS FOR PRODUCING THICK NANOSTRUCTURED FILMS OBTAINED FROM A BLOCK COPOLYMER COMPOSITION - The present invention relates to a process for producing nanostructured films obtained from block copolymers exhibiting a dispersity index of between 1.1 and 2, limits included, without nanostructuring defects, on a surface, in order for this treated surface to be able to be used as masks for applications in microelectronics. | 11-19-2015 |
20150322622 | FIBROUS SUBSTRATE, MANUFACTURING PROCESS AND USES OF SUCH A FIBROUS SUBSTRATE - A fibrous substrate such as woven fabrics, felts, nonwoven fabrics that may be in the form of strips, laps or braids, said substrate being impregnated with an organic polymer or blend of organic polymers containing carbon nanotubes (CNTs). A process for manufacturing said substrate, and the various uses thereof for the manufacture of 3D mechanical components. | 11-12-2015 |
20150322321 | COMPOSITION CONTAINING 2,3,3,3-TETRAFLUOROPROPENE AND 1,2-DIFLUOROETHYLENE - Compositions containing 2,3,3,3-tetrafluoropropene and 1,2-difluoroethylene, that can be used in multiple fields of application. The composition can include from 45 to 90 mol % of 2,3,3,3-tetrafluoropropene and from 55 to 10 mol % of, 1,2-difluoroethylene. The composition can include from 55 to 80 mol % of 2,3,3,3-tetrafluoropropene and from 45 to 20 mol % of 1,2-difluoroethylene. The composition can include from 62 to 69 mol % of 2,3,3,3-tetrafluoropropene and from 38 to 31 mol % of 1,2-difluoroethylene at a temperature of between −30° C. and 56° C. and a pressure of between 1 and 15 bar. | 11-12-2015 |
20150322317 | COMPOSITION INCLUDING 2,3,3,3-TETRAFLUOROPROPENE - A composition including the compound HFO-1234yf and at least one other, additional, compound selected from HCFC-240db, HCFO-1233xf, HCFC-243db, HCFO-1233zd, HCC-40, HCFC-114a, HCFC-115, HCFC-122, HCFC-23, HCFC-124, HCFC-124a, HFC-125, HCFC-133a, HCFC-142, HCFC-143, HFC-52a, HCFC-243ab, HCFC-244eb, HFC-281ea, HCO-1110, HCFO-1111, HCFO-1113, HCFO-1223xd, and HCFO-1224xe. A composition including the compound HFO-1234yf and at least two compounds selected from HFO-1234ze, HFC-245cb, HFC-134a, HCFC-115, HFC-152a, HCC-40 and HFO-1243zf. | 11-12-2015 |
20150315120 | PROCESS FOR PRODUCING ALKYL ACRYLATE - The invention relates to the production of alkyl acrylate according to a continuous transesterification process. In one embodiment the process of the invention uses a simple column to purify a reaction mixture of acryl acrylate in one step yielding alkyl acrylate with a purity of greater than 99.8%. | 11-05-2015 |
20150314277 | CATALYST PREPARED BY REACTIVE MILLING - A process for preparing a catalyst, including the reactive milling of a first reagent, which is a chromium oxide compound, with a second reagent, which is a compound of the formula M | 11-05-2015 |
20150307686 | PLA POLYMER COMPOSITION - The present invention relates to a polymer composition, said polymer having a main chain consisting of a polylactic acid, the main chain including a plurality of unsaturated acid anhydride grafts, characterized in that said main chain also includes activating comonomer grafts. The invention also relates to a manufacturing method and to a use linked to said polymer composition. | 10-29-2015 |
20150307673 | TERPOLYMERS AND FILMS PRODUCED THEREFROM - The invention relates to a polymer comprising structural units of vinylidene fluoride, trifluoroethylene and chlorotrifluoroethylene, the molar ratio between the vinylidene fluoride and the trifluoroethylene in the polymer being between 55:45 and 65:35, and the molar proportion of the structural units of chlorotrifluoroethylene in the polymer being between 1.5 and 4.5%. The invention also relates to various items comprising said polymer, such as films, fibres, extruded plates and moulded items. | 10-29-2015 |
20150292118 | METHOD FOR MANUFACTURING A CARBON FIBRE, PRECURSOR MATERIAL USED BY THE METHOD AND CARBON FIBRE OBTAINED - A method for manufacturing a continuous carbon fiber from a precursor material. According to this method, a precursor material including a continuous natural fiber and carbon nanofillers is used, said natural fiber being obtained from at least one plant constituent such as a cellulose. A process for manufacturing a continuous carbon fiber from a precursor material, including a step of carbonization of said precursor material, in which the precursor material includes a continuous natural fiber and carbon nanofillers, said natural fiber being obtained from at least one plant constituent, wherein it also includes a step of sizing the precursor material before the carbonization step. | 10-15-2015 |
20150291869 | REFRIGERANT COMPOSITION - Refrigerant fluids that can be used in different types of compression systems. A composition including between 36 and 39 wt. % of difluromethane (HFC-32), between 28 and 32 wt. % of pentafluoroethane (HFC-125), and between 31 and 35 wt. % of tetrafluoroethane (HFC-134a). The composition may be used as a replacement for R-404A. | 10-15-2015 |
20150291794 | COMPOSITION CONTAINING A SEMI-AROMATIC COPOLYAMIDE, A POLYOLEFIN AND A COPPER HEAT STABILIZER, PREPARATION THEREOF AND USES THEREOF - The invention relates to a composition comprising from 10% to 36% by weight of at least one polyolefin, from 0.05% to 0.30% by weight of at least one copper heat stabilizer, wherein the copper heat stabilizer is a mixture of potassium iodide and copper iodide, and at least one predominant semi-aromatic copolyamide comprising at least two distinct units corresponding to the following general formula: A/X.T in which: A is chosen from at least one unit obtained from an amino acid, at least one unit obtained from a lactam and at least one unit corresponding to the formula (Ca diamine).(Cb diacid), and the mixtures thereof, X.T denotes a unit obtained from the polycondensation of a Cx diamine denoted X and of terephthalic acid denoted T, the weight percentages being given relative to the total weight of the composition. | 10-15-2015 |
20150273772 | METHOD FOR MANUFACTURING A COMPOSITE THERMOPLASTIC PART BY VACUUM INJECTION-COMPRESSION-MOLDING, DEVICE FOR THE IMPLEMENTATION THEREOF AND RESULTING PART - A method for manufacturing a composite part including a fibrous reinforcement and a thermoplastic polymer matrix, which includes the steps of i) depositing the fibrous reinforcement in a two-part mold having a seal compressible by evacuating said mold having no vent, ii) filling the evacuated mold by injecting, in the molten state, a two-component reactive system made of a reactive thermoplastic prepolymer, the injection being carried out using a device having two distinct compartments for each one of the two reactive components mixed in a static mixer, followed by a compression and compaction of the content of the mold, and iii) removing the part from the mold, without any finishing treatment. Further, a device for implementing said method, to the resulting part and to the use of said method in an “in-mold” assembly method. | 10-01-2015 |
20150267050 | THERMOPLASTIC COMPOSITE MATERIAL MADE OF A SEMI-CRYSTALLINE POLYAMIDE AND METHOD FOR MANUFACTURING SAME - A composition for a thermoplastic composite material having a thermoplastic matrix made of a semi-crystalline polyamide having a specific composition that includes at least two amide units, A, 55-95 mol %, and B, 5-45 mol %. A corresponds to x.T, wherein x is a C | 09-24-2015 |
20150258742 | PROCESS FOR MANUFACTURING A THERMOPLASTIC COMPOSITE PART IN A CLOSED MOULD, WITH INJECTION INTO A COLD MOULD - A process for manufacturing a part made of thermoplastic composite material including a fibrous reinforcement and a matrix of thermoplastic polymer based on a thermoplastic polymer which impregnates said fibrous reinforcement, which process includes: a) a step of impregnating said dry fibrous reinforcement, by injection onto said reinforcement, of a precursor of said polymer, and moulding, with the polymerization step b) being simultaneous with the impregnating and moulding step and with the regulating temperature T2 for said mould being kept constant throughout the moulding cycle, and with reheating of the internal surface of the mould, just before said injection, using a heating means which is external to the mould and removable, with c) demoulding of the part, and d) optional continuation of the polymerization, if said polymerization is partial at demoulding, in a separate step outside the mould, by annealing in an oven at an annealing temperature. | 09-17-2015 |
20150246811 | METHOD FOR PREPARING ALKALI METAL SULPHIDE - The present invention concerns a method for preparing an alkali metal sulfide, from at least one oxygenated alkali metal compound comprising at least one step a) involving reacting said oxygenated alkali compound(s) with at least one sulfur compound of formula (I): | 09-03-2015 |
20150240047 | METHOD FOR PRODUCING A MASTER MIXTURE BASED ON CARBONACEOUS NANOFILLERS AND SUPERPLASTICISER, AND THE USE THEREOF IN HARDENABLE INORGANIC SYSTEMS - Hardenable inorganic systems such as cements, plasters, ceramics or liquid silicates, usable for example in the building trade, construction industry or oil drilling industry. The insertion of carbonaceous nanofillers, such as carbon nanotubes, for reinforcing mechanical properties and improving such systems. A method for producing a master mixture including at least one superplasticiser and carbonaceous nanofillers at a mass ratio of between 0.1% and 25%, preferably between 0.2% and 20%, in relation to the total weight of the master mixture, and also to said master mixture thus obtained and to the use thereof in a hardenable inorganic system with a view to producing materials with improved properties. The disclosure applies to the construction industry, the building trade and the oil drilling industry. | 08-27-2015 |
20150239997 | PRIMER MIXTURE OF CROSSLINKING INITIATOR AND PROMOTER - A primer mixture intended for crosslinking polyethylene, including at least an initiator of free radicals chosen from organic peroxides, azo compounds or mixtures thereof, wherein the mixture has said free-radical initiator and at least one crosslinking promoter chosen from the cycloalkanes having 5 to 7 carbon atoms, substituted by 1 to 3 vinyl, allyl or isopropenyl groups, the aromatic compounds substituted by 1 to 3 vinyl, allyl or isopropenyl groups, the methacrylate, acrylate and maleimide monomers being multi-substituted, and in that the weight ratio of free-radical initiator to the crosslinking promoter is greater than or equal to 1, and preferably between 1.5 and 4. Also, a method and to a use related to this primer mixture. | 08-27-2015 |
20150232590 | COMPOSITION OF ORGANIC PEROXIDE WITHOUT A COLLOID AGENT - An aqueous emulsion composition of organic peroxide without a protective colloid agent wherein the emulsifying agent is a nonionic surfactant chosen exclusively from a block copolymer including at least one alkylene oxide block, a block copolymer including at least two alkylene oxide blocks, an alkoxylated fatty alcohol, an alkoxylated fatty acid, an alkoxylated vegetable or animal oil (hydrogenated or not) or a mixture of a plurality of these elements. Also, a method for producing this composition and specific uses thereof. | 08-20-2015 |
20150225505 | COPOLYAMIDE, COMPOSITION COMPRISING SUCH A COPOLYAMIDE AND USES THEREOF - A copolyamide including at least two different repeat units having the following general formulation: A/X.Y, in which A is an aliphatic repeat unit selected from a unit obtained from at least one amino acid and a unit obtained from at least one lactam, and X.Y is a repeat unit obtained from the polycondensation of at least one cycloaliphatic diamine and at least one dicarboxylic acid. The proportion by weight of unit A is greater than or equal to 91%. Also, a composition including such a copolyamide and uses thereof, in particular in the soles of sports footwear. | 08-13-2015 |
20150218306 | METHOD FOR PREPARING A POLYMER FROM AT LEAST ONE CYCLIC MONOMER - The present invention relates to a method for preparing a copolymer from at least one cyclic monomer selected from: a lactone, a lactam, a carbonate, a lactide and a glycolide, an oxazoline, an epoxide, a cyclosiloxane, comprising the step consisting of reacting said cyclic monomer in the presence of a substituted phosphorus-containing compound. | 08-06-2015 |
20150218293 | AQUEOUS EMULSION COMPOSITION OF ORGANIC PEROXIDE - An aqueous emulsion composition of organic peroxide, including from 10 to 65% by weight of one or a plurality of organic peroxides, from 2 to 25% by weight of at least one antifreeze agent, from 0.01 to 10% by weight of at least one emulsifying agent, optionally at least one additive, water, of which the quantity is defined in order to form the remainder of the total composition (100%), wherein the emulsifying agent is a colloid agent of a polyvinyl acetate having a degree of hydrolysis greater than 80% and a viscosity, measured in solution in water at 4% by weight at 20° C., less than or equal to 5 mPa·s, said viscosity being measured with a Brookfield RVT viscometer, needle no. 3, 20 rpm, in accordance with the ISO 2555 standard. Also, to the method of preparing same and the use thereof. | 08-06-2015 |
20150210819 | PROCESS FOR THE PREPARATION OF EXPANDABLE POLYSTYRENE BY CONTINUOUS INJECTION OF A LIQUID ORGANIC PEROXIDE - A process for the preparation of expandable polystyrene including the following steps: i°) heating an aqueous suspension including styrene monomer and at least one organic peroxide initiator of formula (I) 1-alkoxy-1-t-alkylperoxycyclohexane in which the alkoxy group contains 1 to 4 carbon atoms, the t-alkyl group contains 4 to 12 carbon atoms, and the cyclohexane ring may optionally be substituted with 1 to 3 alkyl groups each, independently having 1 to 3 carbon atoms, at a temperature ranging from 100° C. to 120° C.), ii°) adding a blowing agent selected from the group of alkanes having from 4 to 6 carbon atoms and mixtures thereof. Also, an expandable polystyrene obtainable according to such a process and to insulation parts and packaging including such an expandable polystyrene. | 07-30-2015 |
20150210617 | METHOD FOR PRODUCING DIFLUOROMETHANE - A method for producing difluoromethane, including the catalytic reaction of dichloromethane with hydrogen fluoride in the liquid phase, in the presence of chlorine, and in the presence of an ionic liquid catalyst consisting of the product of the reaction of antimony pentachloride with an organic salt having the general formula X+A, where A is a halide anion or hexafluoroantimonate, and X+ is a quaternary ammonium cation, quarternary phosphonium or ternary sulfonium. Further, equipment suitable for implementing said method. | 07-30-2015 |
20150197586 | NOVEL ELASTOMER MATERIAL, AND METHOD FOR OBTAINING SAME - The invention relates to an elastomer material including flexible polymer chains containing crosslinking bridges having covalent bonds and crosslinking bridges having noncovalent bonds. The invention also relates to a method for preparing such elastomer material. | 07-16-2015 |
20150197487 | METHOD FOR PREPARING DIAMINOMALEONITRILE - A method for manufacturing diaminomaleonitrile, wherein the method includes at least one step during which a cyanohydrin ketone with formula RR′COHCN, R and R′, which are the same or different, being a straight or branched alkyl chain having 1 to 5 carbon atoms, reacts in order to provide diaminomaleonitrile. The reaction step may be carried out in the presence of a catalyst. | 07-16-2015 |
20150197467 | E-1-CHLORO-3,3,3-TRIFLUOROPROPENE PRODUCTION PROCESS FROM 1,1,3,3-TETRACHLOROPROPENE - A production process for the production of E-1-chloro-3,3,3-trifluoropropene, the process including at least one stage during which 1,3,3,3-tetrachloropropene reacts with anhydrous hydrofluoric acid in the liquid phase, in the absence of a catalyst, with an HF/1,1,3,3-tetrachloropropene molar ratio between 3 and 20 inclusive, at a temperature between 50° C. and 150° C. inclusive and an absolute pressure of between 1 and 20 bar inclusive. | 07-16-2015 |
20150184052 | TERNARY HEAT-TRANSFER FLUIDS COMPRISING DIFLUOROMETHANE, PENTAFLUOROETHANE AND TETRAFLUOROPROPENE - A ternary composition including: from 5 to 50% of difluoromethane; from 2 to 20% of pentafluoroethane; and from 30 to 90% of tetrafluoropropene. The tetrafluoropropene may be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. This composition can be used as a heat-transfer fluid in vapor compression circuit. A process for heating or cooling a fluid or a body using a vapor compression circuit containing a heat transfer fluid, said process successively including evaporation of the heat transfer fluid, compression of the heat transfer fluid, condensation of the heat fluid and depressurization of the heat transfer fluid, in which the heat transfer fluid is a composition as described. | 07-02-2015 |
20150184051 | HEAT-TRANSFER FLUIDS AND USE THEREOF IN COUNTERCURRENT HEAT EXCHANGERS - A ternary composition including difluoromethane, 3,3,3-trifluoropropene and a hydrocarbon-derived compound containing at least two fluorine atoms and having a boiling point of between −30 and −18° C., which is selected from 1,1-difluoroethane, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. This composition is particularly suitable for use as a heat-transfer fund in the presence of countercurrent heat exchangers. | 07-02-2015 |
20150183918 | METHOD FOR SYNTHESIZING POLYARYLETHERKETONES - The invention relates to a process for synthesizing polyaryl ether ketones with low contents of residual materials, whether they are residual monomers or solvents of the synthetic process. | 07-02-2015 |
20150182949 | ACTIVATED CARBON WITH IMPROVED MECHANICAL RESISTANCE, AND THE USES THEREOF, ESPECIALLY AS A CATALYST CARRIER - The present invention relates to active charcoals with improved mechanical properties. They can advantageously be used in the sweetening of petroleum fractions, as oxidation catalyst support in the conversion of mercaptans to disulphides, but also in any other type of reaction, such as, for example, for the oxidation of cyanide present in water or in the synthesis of glyphosate, and in processes for purification and/or separation by selective adsorption in a liquid phase and/or in a gas phase (decolouration of liquid foodstuffs, water treatment, air treatment, recovery of solvents, and the like). | 07-02-2015 |
20150152307 | LOW-TEMPERATURE AND AVERAGE-TEMPERATURE REFRIGERATION - Binary compositions of 2,3,3,3-tetrafluoropropene and difluoromethane, as a heat transfer fluid in compression, low-temperature and average temperature refrigeration systems, with exchangers operating in counterflow mode or in split flow mode with counterflow tendency. Also, to a heat transfer method. The binary compositions can replace R-404A and R-407C (ternary mixture containing 52 wt. % of HFC-134a, 25 wt. % of pentafluoroethane and 23 wt. % of difluoromethane) in compression-type heat-transfer systems with exchangers operating in countercurrent mode or in crossed-current mode with countercurrent tendency. | 06-04-2015 |
20150152306 | HEAT TRANSFER FLUID REPLACING R-410A - A heat transfer method using ternary composition containing 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane and difluoromethane, as a heat transfer fluid in refrigeration systems, to replace the R-410A mixture. | 06-04-2015 |
20150152235 | HYDROCHLOROFLUOROOLEFIN BLOWING AGENT COMPOSITIONS - The use of a composition as an agent for blowing a projected biocomponent polyurethane foam, said composition including 1-chloro-3,3,3-trifluoropropene and/or 2-chloro-3,3,3-trifluoropropene and at least one additional compound chosen from hydrochlorofluoroolefins, hydrofluoroolefins, hydrochloroolefins, hydrofluorocarbons, hydrochlorofluorocarbons, hydrocarbons, substituted or unsubstituted ethers, substituted or unsubstituted alcohols, substituted or unsubstituted aldehydes, substituted or unsubstituted ketones and substituted or unsubstituted esters, and said composition having a boiling point greater than or equal to 20° C. Also, a method for manufacturing polyurethane foam on the basis of the use above. | 06-04-2015 |
20150140267 | SURFACE PREPARATION METHOD - The invention relates to a process for the preparation, by spatial distribution of light intensity, of a surface in relief promoting order and spatial coherence serving as a guide for the organization, on nano- and micrometre scales, of an overlayer on the surface in particular of block copolymers. | 05-21-2015 |
20150132239 | MATERIAL FORMED FROM DENDRITIC MOLECULES CONTAINING ASSOCIATIVE GROUPS - The present invention relates to a material comprising dendritic molecules each constituted of fragments that are at least bifunctional and of fragments that are of least trifunctional joined together by ester or thioester bridges, alone or in combination with amide or urea bridges, said bridges being formed from two functions carried by different fragments, said molecules containing, on the fragments located at the ends of the dendritic branches, associative end groups capable of forming associations with one another by hydrogen bonds and joined covalently to the functions that are not involved in said bridges. It also relates to the method of production thereof, as well as to its uses and to compositions, notably cosmetic, containing this material. | 05-14-2015 |
20150119523 | CONTROLLED FREE-RADICAL COPOLYMERIZATION OF TRIFLUOROETHYLENE - The invention concerns a method for preparing block copolymers, comprising a step of controlled free-radical copolymerisation of trifluoroethylene with at least one additional monomer, different from trifluoroethylene, in the presence of a chain transfer agent, said chain transfer agent being a xanthate compound, a trithiocarbonate compound or a monoiodide compound. The invention also concerns the block copolymers likely to be obtained by this method. | 04-30-2015 |
20150118430 | USE OF CARBON-BASED NANOFILLERS AT A VERY LOW CONTENT FOR THE UV STABILIZATION OF COMPOSITE MATERIALS - The use of very low concentrations of carbon nanofillers selected from among carbon nanotubes, carbon nanofibres, graphene or a mixture of same in any proportions, in order to improve resistance to ageing, in particular protection against ultraviolet (UV) light, of a composite material based on a polymer matrix. A composite product comprising a composite material, the composite material stabilized with respect to UV light using a content of between 1 ppm and 0.1% by weight, of carbon-based nanofillers chosen from carbon nanotubes, carbon nanofibres, graphene or a mixture of these in all proportions, wherein the composite product is selected from yarns, films, tubes, fibres, and nonwovens. | 04-30-2015 |
20150118140 | LOW-VISCOSITY LIQUID SULFUR - The invention relates to the use of at least one compound of formula (1): | 04-30-2015 |
20150105510 | THERMOPLASTIC LAYER FOR A CABLE, PIPE, COATING OR ANALOGOUS - A polyolefin graft polyamide composition incorporating lamellar nanofillers. Also, a tube, pipe or analogous formed from a multilayer at least one of the layers of which contains this composition. A thermoplastic composition having a polyolefin backbone containing a residue of at least one unsaturated monomer and a plurality of polyamide grafts, and also another component, wherein: the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer comprising a function capable of reacting via a condensation reaction with a polyamide having at least one amine end group and/or at least one carboxylic acid end group, the residue of the unsaturated monomer is attached to the backbone by grafting or copolymerization, wherein the other component consists of platy nanofillers, said nanofillers being phyllosilicates and representing from 1% to 6.5% by weight of the composition. | 04-16-2015 |
20150099080 | SEMIAROMATIC POLYAMIDE COMPRISING A CHAIN ENDING - The invention relates to a copolyamide comprising at least two different units corresponding to the following general formulation: | 04-09-2015 |
20150094502 | PROCESS OF FLUORINATION IN LIQUID PHASE - The present invention provides a process of fluorination in liquid phase in a solvent medium of a compound of formula (II) CX | 04-02-2015 |
20150094432 | METHOD FOR SYNTHESISING TRIFLUOROETHYLENE FROM CHLOROTRIFLUOROETHYLENE - The present invention relates to the preparation of trifluoroethylene (VF | 04-02-2015 |
20150087857 | LIQUID-LIQUID EXTRACTION PROCESS FOR THE PRODUCTION OF ACRYLIC ESTERS - The invention relates to a liquid-liquid extraction process, comprising:
| 03-26-2015 |
20150073096 | PROCESS FOR CONTROLLING THE PERIOD OF A NANOSTRUCTURED ASSEMBLAGE COMPRISING A BLEND OF BLOCK COPOLYMERS - The present invention relates to a process for controlling the period of a nanostructured assemblage comprising a blend of block copolymers which is deposited on a surface or in a mold. Block copolymers are characterized by the possession of at least one of the constituent monomers respectively of each of the blocks of the block copolymers identical but exhibit different molecular weights. The control process is targeted at obtaining thicknesses of films or objects, with few nanostructuring defects, which are sufficiently great for the treated surface to be able to be used as masks for applications in microelectronics or for the objects resulting therefrom to exhibit previously unpublished mechanical, acoustic or optical characteristics. | 03-12-2015 |
20150073094 | PROCESS FOR PRODUCING THICK NANOSTRUCTURED FILMS OBTAINED FROM A BLOCK COPOLYMER COMPOSITION - The present invention relates to a process for producing nanostructured films obtained from block copolymers exhibiting a dispersity index of between 1.1 and 2, limits included, without nanostructuring defects, on a surface, in order for this treated surface to be able to be used as masks for applications in microelectronics. | 03-12-2015 |
20150065679 | MONOMERS BEARING ASSOCIATIVE GROUPS FOR THE SYNTHESIS OF SUPRAMOLECULAR POLYCONDENSATES - The present invention relates to the use of monomers bearing associative groups in order to manufacture a supramolecular polycondensate, to certain of these monomers, to a process for manufacturing a supramolecular polycondensate, to the polycondensate obtained, and also to an article or a composition incorporating same. | 03-05-2015 |
20150065648 | MONOFILAMENT BASED ON A POLYAMIDE COMPOSITION - A monofilament made from a polyamide composition including at least 70 wt. % of a polyamide resulting from the condensation of:
| 03-05-2015 |
20150065641 | TUBE CONNECTORS BASED ON A POLYAMIDE COMPOSITION - A tube connector made from a polyamide composition, the polyamide composition including at least one first polyamide A having an average number of carbon atoms per nitrogen atom C | 03-05-2015 |
20150065634 | BATTERY GASKET BASED ON A POLYAMIDE COMPOSITION - A gasket for a battery, wherein the gasket is made from a polyamide composition including at least 70 wt. % of a polyamide X.Y, wherein X and Y represent respective residues from the condensation of an aliphatic diamine comprising 4 to 18 carbon atoms, and preferably 5 to 12 carbon atoms, with a (cyclo)aliphatic diacid including 10 to 18 carbon atoms, and wherein the polyamide composition further includes a nucleating agent. | 03-05-2015 |
20150060737 | BLOCK COPOLYMERS THAT DISPERSE NANOFILLERS IN WATER - The invention relates to novel block copolymers that enable a good dispersion of nanofillers in water and also to a dispersion of nanofillers obtained owing to these block copolymers. This dispersion may be used as a transparent electrode in organic solar cells or other photoemitter or photoreceptor devices. | 03-05-2015 |
20150052918 | COMPOSITIONS OF 2,4,4,4-TETRAFLUOROBUT-1-ENE AND 1-METHOXYHEPTAFLUOROPROPANE - The invention relates to the use of a composition comprising 2,4,4,4-tetra-fluoro-but-1-ene and 1-methoxyheptafluoropropane as a heat transfer fluid. The invention also relates to associated units, methods and compositions. | 02-26-2015 |
20150048541 | METHOD FOR EXTRUDING A POLYMER IN THE PRESENCE OF WATER - The invention relates to a method for converting a polycondensed elastomeric thermoplastic polymer, including a step of extruding the polycondensed elastomeric thermoplastic polymer in the presence of water. The polycondensed elastomeric thermoplastic polymer is in particular chosen from copolymer block amides, copolyethers or copolyester block urethanes, copolyether block esters and the mixtures thereof, and is preferably a copolyether block amide. | 02-19-2015 |
20150047694 | USE OF A MULTILAYER STRUCTURE BASED ON A HALOGENATED POLYMER AS A PROTECTIVE SHEET OF A PHOTOVOLTAIC MODULE - The present invention relates to the use of a specific multilayer structure in the front and/or rear protective sheet of a photovoltaic module comprising photovoltaic cells covered with an encapsulant. This multilayer structure comprises a substrate enclosing at least one halogenated polymer and at least one stack of one layer (A) of SiO2 and one layer (B) of an SiOxNyHz material disposed between the substrate and the layer (A), said layers having given thicknesses. This stack is disposed on the face of the substrate turned towards the encapsulant and optionally on the opposing face of the substrate. It also relates to a photovoltaic module comprising the abovementioned multilayer structure in the front and/or rear protective sheet thereof. | 02-19-2015 |
20150038659 | PROCESS FOR PREPARING HALOGENATED POLYMERS - The invention concerns a process for the aqueous suspension, micro-suspension, emulsion or micro-emulsion polymerization of at least one halogenated monomer, in particular chlorinated, for example vinyl chloride, by itself or with one or more other vinyl monomers, preferably less than 50% by weight of one or more other vinyl monomers, in which at least one shortstopper and at least one perhalogenate, acting as a whitening agent, are added. | 02-05-2015 |
20150038650 | CROSSLINKED NANOSTRUCTURED CAST SHEETS - Transparent and impact-resistant crosslinked acrylic composition consisting of a brittle matrix (I) having a glass transition temperature of greater than 0° C. and of elastomeric domains having a characteristic dimension of less than 100 nm consisting of macromolecular sequences (II) having a flexible nature with a glass transition temperature of less than 0° C. | 02-05-2015 |
20150018479 | FREE RADICAL COATING COMPOSITION WITH IMPROVED SURFACE CURE PROPERTIES - A crosslinking monomer for a peroxide cure composition is disclosed. The crosslinking monomer is a dual functional monomer and has at least two allyl groups and at least one (meth)acrylate group. A two-part peroxide composition comprises the crosslinking monomer, at least one (meth)acrylate monomer, and a peroxide initiator. | 01-15-2015 |
20150017551 | USE OF LITHIUM SALT MIXTURES AS LI-ION BATTERY ELECTROLYTES - Lithium salt mixtures, for example a mixture including at least two lithium salts chosen from two of the three following groups of salts: X: LiPF | 01-15-2015 |
20140377007 | PHOTOCATALYTIC FILM FOR SOIL FUMIGATION - The present invention relates to a photocatalytic film including at least one polymer layer (1) including at least one photocatalyst, said layer being pervious to both the vapours of at least one fumigating compound and ultraviolet radiation capable of activating the photocatalyst. The present invention also relates to a method for treatment by fumigation using said photocatalytic film and at least one fumigant. | 12-25-2014 |
20140371482 | METHOD FOR THE PRODUCTION OF 2-OCTYL ACRYLATE BY MEANS OF TRANSESTERIFICATION - The invention relates to the production of 2-octylacrylate of high purity and in good yield using ethyl titanate in solution in 2-octanol or 2-octyl titanate as a transesterification catalyst. | 12-18-2014 |
20140369919 | PROCESS FOR THE PREPARATION OF LITHIUM OR SODIUM BIS(FLUOROSULPHONYL)IMIDE - A process for the preparation of a bis(sulphonato)imide salt of formula: (III) (SO | 12-18-2014 |
20140356918 | PROCESS FOR SYNTHESIZING BIFUNCTIONAL HYDROCARBON-BASED COMPOUNDS FROM BIOMASS - The subject of the present invention is a process for synthesizing bifunctional hydrocarbon-based compounds from biomass, comprising a step of fermentation of the biomass and a step of oxidation of the intermediate compounds resulting from the fermentation step. | 12-04-2014 |
20140352537 | AIR PURIFICATION SYSTEM FOR A VEHICLE - A method for purifying air in the cabin of a vehicle, including filtering the air through a filter system, wherein the vehicle includes an air conditioning circuit containing a fluorinated refrigerant compound, and the filter system includes a filtering material which is adapted for removing hydrogen fluoride from a gas flow. Also, a vehicle in which this method can be implemented. | 12-04-2014 |
20140350291 | PROCESS FOR RECOVERING NOBLE PRODUCTS IN A PROCESS FOR PRODUCING DIALKYLAMINOALKYL (METH) ACRYLATES - The invention relates to a process for recovery of noble products from heavy (meth)acrylic fractions generated during production of (meth)acrylic esters by transesterification, the heavy fractions comprising at least noble products and Michael adducts, the process comprising the steps of: (i) adding at least one antifouling agent and optionally a viscosity-reducing compound to the heavy fractions; (ii) submitting the mixture to temperature and distillation conditions sufficient to crack the Michael adducts into their components; and (iii) recovering the noble products in the form of a stream of distillate, and of a final residue that is sufficiently fluid to be transported by pump. | 11-27-2014 |
20140346703 | BACTERIOSTATIC TEXTILE BASED ON POLYAMIDE 11 - The present invention relates to a bacteriostatic textile material of polyamide 11 where said polyamide 11 has an inherent viscosity of from 0.5 to 1.7 and contains no impurities with a diameter greater than 5 μm. The bacteriostatic textile material is useful in the fields of medicine, hygiene, baggage, clothing manufacture, clothing, household equipment and goods, upholstery, carpets, automobiles, industry, notably industrial filtration, agriculture and/or building construction. | 11-27-2014 |
20140334515 | METHOD FOR CHARACTERIZING AN ETHYLENE AND VINYL ACETATE COPOLYMER - The present invention relates to a process for characterizing a copolymer of ethylene and vinyl acetate (EVA) using a differential calorimetry analysis technique. This process consists in determining one or more values of characteristic(s) of said sample of EVA copolymer, one of which is a level of crosslinking of said sample. | 11-13-2014 |
20140332729 | PROCESS FOR ENCAPSULATING AN INORGANIC PIGMENT BY POLYMERIZATION IN AN ORGANIC MEDIUM - The present invention relates to the field of inks for electrophoretic display devices, and more particularly to a process for encapsulating at least one inorganic pigment by dispersion polymerization in an organic medium. The process consists in dispersing the inorganic pigment in the organic medium, then in synthesizing at least one stable polymer latex in said organic medium, said latex precipitating around said inorganic pigment in order to form a protective shell and to thus obtain a particle, said synthesis of the latex being carried out by polymerization, in said organic medium, of an electrostatically chargeable functional monomer, based on use of a macroinitiator capable of stabilizing said particle obtained. | 11-13-2014 |
20140332063 | MULTILAYER POLYAMIDE FILM FOR REAR PANEL OF PHOTOVOLTAIC MODULE - The use of a multilayer polyamide film as a rear protective sheet in a photovoltaic module. Also, a photovoltaic module containing photovoltaic cells protected by an encapsulant, a front protective layer, and a rear protective layer, wherein the rear protective layer is formed by a multilayer polyamide film including: a CA layer including, as predominant polymer, at least one polyamide A exhibiting a mean number of carbon atoms per nitrogen atom of between 4 and 8, a CB layer including: (a) as predominant polymer, at least one polyamide B exhibiting a mean number of carbon atoms per nitrogen atom of between 8 and 15, the polyamide(s) B exhibiting a mean number of carbon atoms per nitrogen atom which is strictly greater than the mean number of carbon atoms per nitrogen atom of the polyamide(s) A, and (b) at least one additive for combating UV radiation. | 11-13-2014 |
20140331549 | Biofuel Consisting of a Mixture of Naturally Occurring Fatty Acid Esters and Method for Producing Said Biofuel - The invention relates to a diesel biofuel consisting of a mixture of naturally occurring fatty acid esters and containing an ester of ω-unsaturated acids having a chain with 11 or 13 carbon atoms or corresponding saturated acids. The invention also relates to a method for producing such a biofuel. | 11-13-2014 |
20140326017 | TERNARY COMPOSITIONS FOR LOW-CAPACITY REFRIGERATION - Compositions containing 2,3,3,3-tetrafluoropropene and to the uses thereof as heat transfer fluid, expansion agents, solvents and aerosol. Compositions essentially containing between 10 and 90 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 80 wt. % of HFC-134 | 11-06-2014 |
20140318160 | USE OF TERNARY COMPOSITIONS - The use of a ternary composition of 2,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoroethane and difluoromethane, as a heat-transfer fluid, in compression refrigeration systems with exchangers operating in counterflow mode or in cross-flow mode with counterflow tendency. A heat-transfer process in which a ternary composition of 2,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoroethane and difluoromethane is used as a refrigerant in compression systems with exchangers operating in counterflow mode or in cross-flow mode with counterflow tendency. | 10-30-2014 |
20140316063 | THERMOPLASTIC COMPOSITE MATERIAL REINFORCED WITH SYNTHETIC FIBERS AND MANUFACTURING PROCESS - A method for producing a composite material, including an assembly of one or a plurality of synthetic reinforcement fibres, impregnated with at least one thermoplastic polymer having a vitreous transition temperature Tg greater than or equal to 80° C. including: i) a step of impregnating said assembly with a precursor composition in the molten state and including: a) at least one prepolymer P(X)n of said thermoplastic polymer, including a molecular chain P having, at the ends n thereof, identical reactive functions X, said prepolymer having a semi-aromatic and/or semi-cycloaliphatic structure, b) at least one chain extender including two identical functions Y, which are reactive with at least one of said functions X; ii) a step of polymerisation by mass (poly)addition, in the molten state, of said prepolymer with said chain extender, with said thermoplastic polymer of the thermoplastic matrix being the result of said polymerisation by mass polyaddition. | 10-23-2014 |
20140305677 | MASTERBATCH FOR MANUFACTURING AN INSULATING LAYER OF AN ELECTRIC CABLE - A masterbatch including an ethylene copolymer and at least one ethylene comonomer having at least one polar group, an organic peroxide, and an anti-oxidant, the organic peroxide accounting for 0.2 to 100 parts by weight, for 100 parts by weight of the copolymer, and the anti-oxidant accounting for 0.02 to 50 parts by weight, for 100 parts by weight of the copolymer. Also, methods for preparing the masterbatch and to the uses of said masterbatch for manufacturing insulating layers for electric cables and for limiting or preventing the water tree phenomenon for electric cables. | 10-16-2014 |
20140299220 | MULTILAYER STRUCTURE INCLUDING A LAYER OF A SPECIFIC COPOLYAMIDE AND A BARRIER LAYER - The invention relates to a multilayer structure including: a so-called outer layer (L1) consisting of a composition that primarily includes one or more semicrystalline copolyamides (H), the melting point of which is at least 220° C. and which contains at least 80 mol % of the following two units (s) and (a), wherein the (s) unit denotes one or more semiaromatic (s) units consisting of one of more sub-units from aromatic diacid (sr) and one or more sub-units from aliphatic diamine (sa) having 9 to 13 carbon atoms, and the (a) unit denotes one or more aliphatic units having 8 to 13 carbon atoms per nitrogen atom, the molar ratio (s)/(a) being 1 to 3; and a layer (L2) consisting of a composition primarily containing one or more tetrafluoroethylene (TFE) copolymers, said TFE copolymer being necessarily functionalized when layer (L2) is in contact with layer (L1) or with an intermediate layer that primarily includes one or more polyamides. The invention also relates to the uses of said multilayer structure for transporting fluids in the automotive field. | 10-09-2014 |
20140296385 | COMPOSITION COMPRISING A SEMI-AROMATIC POLYAMIDE AND A CROSSLINKED POLYOLEFIN - A composition comprising a copolyamide and a crosslinked polyolefin. The present invention relates to a composition comprising at least one semi-aromatic polyamide and at least one crosslinked polyolefin, wherein the crosslinked polyolefin is obtained from at least one product (A) comprising an unsaturated epoxide and from at least one product (B) comprising an unsaturated carboxylic acid anhydride. According to the invention, the weight contents of (A) and B), denoted respectively [A] and [B], are such that the [B]/[A] ratio is between 3 and 14. | 10-02-2014 |
20140290788 | METHOD FOR FILLING A MULTITUBE CATALYTIC REACTOR - The present invention relates to a method for filling a multitube catalytic reactor and to a set of inserts suited to implementing this method. | 10-02-2014 |
20140256978 | USE OF SULFONIC ACID FOR RECOVERING GLYCEROL RESULTING FROM THE TRIGLYCERIDE TRANSESTERIFICATION REACTION - The present invention relates to the use of at least one sulfonic acid for recovering glycerol resulting from a reaction crude from transesterification of glycerides, in particular of triglycerides of vegetable and/or animal origin. The invention also relates to a process for purifying glycerol obtained as a by-product of triglyceride transesterification during the preparation of fatty acids, fatty esters and/or fatty acid salts, and also to a combined process for preparing, on the one hand, fatty acids, fatty esters and/or fatty acid salts and, on the other hand, glycerol, from triglycerides, using at least one sulfonic acid. | 09-11-2014 |
20140256850 | COMPOSITE MATERIAL VIA IN-SITU POLYMERIZATION OF THERMOPLASTIC (METH)ACRYLIC RESINS AND ITS USE - The present invention relates to a composite material obtained by in situ polymerization of a thermoplastic resin with a fibrous material. More particularly the present invention relates to a polymeric composite material obtained by in-situ polymerization of a thermoplastic (meth) acrylic resin and a fibrous material containing long fibers and its use, a process for making such a composite material and manufactured mechanical or structured part or article comprising this polymeric composite material. | 09-11-2014 |
20140256843 | BIOMATERIAL FOR OSTEOSYNTHESIS - A biomaterial for the manufacture of osteosynthesis articles is provided. The biomaterial contains a semi-aromatic polyamide matrix along with a reinforcing means selected to reinforce the matrix. The biomaterial has dynamic mechanical properties analogous to calcified tissue. | 09-11-2014 |
20140255713 | COMPOSITION CONTAINING POLYPROPYLENE AND/OR A PROPYLENE COPOLYMER OBTAINED FROM RENEWABLE MATERIALS, AND USES THEREOF - A method for manufacturing a propylene polymer, including: a) fermenting and optionally purifying first renewable materials to produce an alcohol or an alcohol mixture, the alcohol or alcohol mixture including at least isopropanol and/or at least a mixture of ethanol and 1-butanol; b) dehydrating the resulting alcohol or the alcohol mixture to produce an alkene or alkene mixture in a first series of reactors, the alkene or alkene mixture containing at least propylene; c) polymerizing the propylene in a second reactor, optionally in the presence of a comonomer, so as to produce a propylene polymer; d) isolating the propylene polymer obtained in step c); and e) grafting the propylene polymer obtained from step d). A grafted propylene polymer capable of being obtained by the method, to the compositions containing the polymer, as well as to the uses of the polymer. | 09-11-2014 |
20140246303 | METHOD FOR PREPARING LACTAMES, COMPRISING A PHOTONITROSATION STEP, FOLLOWED BY A BECKMANN TRANSPOSITION STEP - The invention relates to a method for preparing lactames, according to which a photonitrosation of a cycloalkane is carried out using nitrosyl chloride (NOCI). According to the invention, said photonitrosation is carried out by means of LEDs emitting a monochromatic light. The method according to the invention can also include a step comprising Beckmann transposition/dechlorination of the oxime hydrochloride generated during said phonitrosation, preferably carried out in a glass microreactor. | 09-04-2014 |
20140246096 | SEMI-AROMATIC-POLYAMIDE-BASED FLEXIBLE COMPOSITION, PROCESS FOR PREPARING SAME AND USES THEREOF - The present invention relates to a composition comprising: from 33 to 40% by weight of at least one crosslinked po-lyolef in obtained from at least one product (A) comprising an unsaturated epoxide and from at least one product (B) comprising an unsaturated carboxylic acid anhydride, from 3 to 10% by weight of at least one plasticizer, the rest being made up of at least one se-mi-aromatic polyamide, wherein the weight contents of (A) and (B), denoted respectively [A] and [B], are such that the [B]/[A] ratio is between 3 and 14. The present invention also relates to a process for preparing such a composition and also to the uses thereof. | 09-04-2014 |
20140235807 | Use of Mercapto-Methyl Esters as Chain Transfer Agents - Disclosed herein is a chain transfer agent in a free-radical emulsion polymerization process, of at least one mercapto-methyl ester, and also relates to the free-radical emulsion (co)polymerization process comprising at least one such mercapto-methyl ester and uses thereof. Also disclosed herein are mercapto-methyl diesters. | 08-21-2014 |
20140231034 | ENZYMATIC PRETREATMENT OF WOOD IN A METHOD FOR PRODUCING MECHANICAL PAPER PULP - A method for producing mechanical paper pulp comprises: impregnating unprocessed wood, whereby unprocessed wood is exposed to an impregnating composition comprising at least a laccase enzyme and a formula mediator (I), wherein R | 08-21-2014 |
20140212613 | SEMIAROMATIC POLYAMIDE COMPRISING A CHAIN ENDING - The invention relates to a copolyamide comprising at least two different units corresponding to the following general formulation: | 07-31-2014 |
20140200358 | PROCESS FOR THE SYNTHESIS OF C11 AND C12 OMEGA-AMINOALKANOIC ACID ESTERS COMPRISING A NITRILATON STEP - A process for the synthesis of C11 and C12 ω-amino-alkanoic acid esters including a step of continuous nitrilation in the gas phase or in a mixed gas-liquid phase, a step of metathesis and a step of reduction by hydrogenation, using, as raw material, C10 and C11 ω-alkenoic acid esters. | 07-17-2014 |
20140187808 | METHOD FOR SYNTHESIZING AN OMEGA-AMINO ACID OR ESTER FROM A MONOUNSATURATED FATTY ACID OR ESTER - A method for synthesizing ω-amino-alkanoic acids or the esters thereof from natural unsaturated fatty acids passing through an intermediate ω-unsaturated nitrile compound. The method is simple to implement and, relative to known methods, avoids the environmental constraints and economic disadvantages resulting from the reaction by-products. The method includes synthesizing an ω-amino acid (ester) of formula R3OOC—(CH2) | 07-03-2014 |
20140171685 | CONTINUOUS CATALYST REGENERATION IN A FLUIDIZED BED REACTOR - A catalytic reactor including a chamber ( | 06-19-2014 |
20140171563 | Composition including a semi-aromatic polyamide and uses thereof, in particular for a reflector having a light-emitting diode - The invention relates to a composition including 30 to 97 wt % of at least one semi-aromatic polyamide, 2 to 50 wt % of white pigments, 0 to 50 wt % of strengthening agents, 0.1, to 10 wt % of at least one metal hydroxide and/or of at least one metal oxide other than a metal oxide, and up to 3 wt % of an organic phosphite. The invention also relates to the use of said composition for forming all or part of an electronic component, as well as to a reflector having a light-emitting diode (LED) and entirely or partially consisting of a material obtained form said composition. | 06-19-2014 |
20140163196 | PROCESS FOR PREPARING AMINO ACIDS OR ESTERS COMPRISING A METATHESIS STEP - A process for synthesizing a long-chain saturated α,ω-amino ester (acid) including from 6 to 17 carbon atoms, said process including a first step of cross metathesis between a first acrylic compound chosen from acrylonitrile, acrylic acid or an acrylic ester and a second monounsaturated compound including at least one nitrile, acid or ester trivalent function, one of these compounds including a nitrile function and the other an acid or ester function, in the presence of a ruthenium carbene metathesis catalyst, and a second step of hydrogenation of the monounsaturated nitrile-ester (acid) obtained, wherein said monounsaturated compound including at least one nitrile, acid or ester trivalent function has previously been subjected to a purification by thermal and/or chemical treatment. | 06-12-2014 |
20140155659 | PROCESS FOR THE MANUFACTURE OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE (HCFO 1233xf) BY LIQUID PHASE FLUORINATION OF PENTACHLOROPROPANE - Process of catalytic fluorination in liquid phase of product 1,1,1,2,3-pentachloropropane or/and 1,1,2,2,3-pentachloropropane into product 2-chloro-3,3,3-trifluoropropene in presence of a catalyst. | 06-05-2014 |
20140154611 | CONTROLLED RADICAL COPOLYMERIZATION OF FLUORINATED MONOMERS BY XANTHATE OR TRITHIOCARBONATE - The invention relates to a method of preparing a fluorinated copolymer, comprising a step of copolymerization of a fluorinated monomer (of the vinylidene fluoride type) with an α-trifluoromethacrylic acid monomer or derivative of α-trifluoromethacrylic acid, in the presence of a xanthate or trithiocarbonate compound. The invention also relates to copolymers obtained by this method as well as block copolymers comprising a copolymer block prepared according to this method. | 06-05-2014 |
20140148607 | Process for Synthesizing Omega-Functionalized Acids from Fatty Acids or Fatty Esters - The subject matter of the invention is a process for synthesizing ω-functionalized acids of formula R—(CH | 05-29-2014 |
20140147644 | MULTILAYER POLYMER STRUCTURES - The invention relates to a multi-layer polymer structure having a polyolefin-based layer, an acrylic-based or other polar polymer layer, and a tie-layer between and adjacent to the polyolefin and acrylic-based layers. Each layer could contain multiple sub-layers. The invention specifically relates to the composition of the tie-layer used to bond the polyolefin- and the polar polymer layers together. The multilayer structure can contain more than three layers, with polar polymer layers on each side of the polyolefin-based layer, and can be made by any method known to the art. The multilayer structure exhibits excellent structural integrity, excellent surface appearance, high impact strength, high scratch resistance, and excellent resistance to UV rays. | 05-29-2014 |
20140147365 | HYDROCYANIC ACID CONTAINING BIORESOURCE CARBON - The invention relates to a hydrocyanic acid containing bioresourced carbon, and to a method for producing a raw material mainly containing the same by reacting ammonia with methane or methanol optionally in the presence of air and/or oxygen, characterized in that at least one of the reagents selected from ammonia, methane and methanol is obtained from a biomass. The invention also relates to the uses of the raw material for producing acetone cyanohydrin, adiponitrile, methionine or methionine hydroxyl-analog, and sodium cyanide. | 05-29-2014 |
20140130850 | COMPOSITION OF AN ORGANIC PHOTOVOLTAIC CELL OF A PHOTOVOLTAIC MODULE - A composition of an active film of an organic photovoltaic cell, including: an electron-donor material having a conjugated polymer; and an electron-acceptor material having a polymer, wherein the active film comprises a copolymer with a linear structure including: two to five blocks, at least two blocks of which have different chemical natures; two consecutive blocks having different chemical natures; each block having a molar mass of between 500 g/mol and 50,000 g/mol. Also, an organic-cell-based photovoltaic module incorporating such a composition and the use of this composition for the same purposes. | 05-15-2014 |
20140127418 | METHOD FOR PREPARING SURFACES - The invention relates to a new surface preparation method using molecules comprising at least one covalent bond which gives rise to free radicals when the molecule is activated thermally, by organic or inorganic redox, photochemically, by plasma, by shear or else under the influence of ionizing radiation. | 05-08-2014 |
20140110623 | BINARY COMPOSITIONS OF 1,3,3,3-TETRAFLUOROPROPENE AND AMMONIA - A binary composition of 1,3,3,3-tetrafluoropropene and ammonia, as well as to the use thereof, in particular as a heat-transfer fluid. The composition may include from 40% to 99% of ammonia and from 1% to 60% of 1,3,3,3-tetrafluoropropene; preferably from 60% to 98% of ammonia and from 2% to 40% of 1,3,3,3-tetrafluoropropene; preferably from 70% to 95% of ammonia and from 5% to 30% of 1,3,3,3-tetrafluoropropene; preferably from 75% to 90% of ammonia and from 10% to 25% of 1,3,3,3-tetrafluoropropene; preferably from 78% to 85% of ammonia and from 15% to 22% of 1,3,3,3-tetrafluoropropene. The 1,3,3,3-tetrafluoropropene may be in the cis form or in the trans form or is a mixture of cis form and trans form and in which, preferably, at least 80% or at least 90% or at least 95% or at least 98% or at least 99% of the 1,3,3,3-tetrafluoropropene is in the trans form. | 04-24-2014 |
20140100313 | SOLVENTS FOR FLUOROPOLYMERS - The invention relates to a solvent system for fluoropolymer comprising from 50 to 99.9% by weight of a composition (A) comprising dimethyl sulphoxide, and from 0.1 to 50% by weight of a composition (B) comprising at least one ketone. | 04-10-2014 |
20140096577 | PROCESS OF REACTIVE TRITURATION DIRECTLY ON AN OIL CAKE - A process including at least one reactive trituration step which includes putting an oil cake including from 3% to 30% oil in contact with an anhydrous light alcohol and an alkaline catalyst under temperature and time conditions that are sufficient to allow for the extraction and transesterification of the vegetable oil and lead to the production of a mixture including fatty acid esters and glycerol, and a de-oiled cake including less than 3% oil. Also, a detoxified de-oiled cake as well as to a mixture of fatty acid esters with improved stability and resistance to oxidation. | 04-10-2014 |
20140094617 | PLATE-TYPE REACTOR WITH IN-SITU INJECTION - A chemical reactor including: a plurality of heat exchange plates which between them define reaction compartments, in which reactor each heat exchange plate includes two walls between them defining at least one heat exchange space, the respective walls being fixed together by joining regions, and the reactor also comprises at least one injection device for injecting substance into the reaction compartments, said substance-injection device passing through the heat-exchange plates in respective joining regions thereof. Also, a chemical reaction process that can be carried out in this reactor. | 04-03-2014 |
20140088223 | THERMOSET/SUPRAMOLECULAR HYBRID COMPOSITES AND RESINS THAT CAN BE HOT-FORMED AND RECYCLED - Thermoset/supramolecular hybrid composites and resins, resulting from bringing at least one thermosetting resin precursor, this thermosetting resin precursor comprising hydroxyl functions and/or epoxy groups, and optionally ester functions, into contact with at least one hardener chosen from carboxylic acids and acid anhydrides, and with at least one compound comprising, on the one hand, at least one associative group, and on the other hand at least one function enabling the grafting thereof to the thermosetting resin precursor, to the hardener or to the product resulting from the reaction of the thermosetting resin precursor and the hardener, in the presence of at least one transesterification catalyst. Process for manufacturing these materials, process for transforming and process for recycling these materials. Novel solid forms of hybrid composites and resins which can be used in the implementation of these processes. | 03-27-2014 |
20140085706 | POLYCHROME ELECTROPHORETIC INK, ASSOCIATED DISPLAY DEVICE AND MANUFACTURING PROCESS - A polychrome electrophoretic ink including at least four types of particles dispersed in a nonpolar organic medium, each particle type containing a pigment of a color which is associated therewith, having a positive or negative electrostatic charge, characterized in that at least one of the abovementioned particle types has a magnetic property (magnetic core) such that each particle type can migrate in a predetermined manner under the combined action of an electrostatic force and of a magnetic return force. | 03-27-2014 |
20140083500 | COMPOSITION FOR AN ACTIVE LAYER OR ELECTRODE OF PHOTOVOLTAIC CELLS - A composition including a graft copolymer, having: a linear trunk including at least one non-aromatic vinyl polymer or an unsaturated polyolefin; and at least two grafts attached to said trunk via a chemical bond, each graft having a conjugated polymer, characterized in that said composition further includes: fullerenes and a conjugated polymer; or carbon and/or graphene nanotubes. Also, a photovoltaic module incorporating such a composition, and to the use of said composition for the same purposes. Finally, methods for synthesizing the molecules forming all or part of the composition. | 03-27-2014 |
20140083119 | COMPOSITIONS OF 2,4,4,4-TETRAFLUOROBUT-1-ENE AND CIS-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE - A composition including 2,4,4,4-10-tetrafluorobut-1-ene and cis-1,1,1,4,4,4-hexafluorobut-2-ene, and also the use thereof in particular as a heat transfer fluid. The composition may include: from 1% to 99% of 2,4,4,4-tetrafluorobut-1-ene and from 1% to 99% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 5% to 70% of 2,4,4,4-tetrafluorobut-1-ene and from 30% to 95% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 20% to 65% of 2,4,4,4-tetrafluorobut-1-ene and from 35% to 80% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 25% to 60% of 2,4,4,4-tetrafluorobut-1-ene and from 40% to 75% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 28% to 51% of 2,4,4,4-tetrafluorobut-1-ene and from 49% to 72% of cis-1,1,1,4,4,4-hexafluorobut-2-ene. | 03-27-2014 |
20140075969 | HEAT-TRANSFER COMPOSITIONS EXHIBITING IMPROVED MISCIBILITY WITH THE LUBRICATING OIL - The invention relates to the use of 1,1,1,2-tetrafluoroethane for increasing the miscibility of 2,3,3,3-tetrafluoropropene with a lubricating oil, and in particular with a polyalkylene glycol oil. In this regard, the invention provides heat-transfer compositions and also equipment and processes using these compositions. | 03-20-2014 |
20140075746 | METHOD FOR PRODUCING LITHIUM OR SODIUM BIS(FLUOROSULFONYL)IMIDE - The invention relates to a process for the preparation of a bis(sulphonato)imide salt of formula: | 03-20-2014 |
20140066660 | Method for Producing Dialkoxy Alkanes by Partial Oxidation of Lower Alcohols in the Presence of a Catalyst Based on Molybdenum and Iron - Disclosed herein is a method for producing alkoxy alkanes by direct partial oxidation of a lower alcohol with a catalyst based upon mixed oxide containing molybdenum and at least one other metal selected from the metals that can assume a trivalent oxidation state such as Fe, Bi, Al, Cr, In, La, Sb, and/or a metal selected from Ni, Co, Cu, V, W, Ti, Ta, Nb, Mn, Sn, P. | 03-06-2014 |
20140048739 | COMPOSITIONS OF CHLORO-TRIFLUOROPROPENE AND HEXAFLUOROBUTENE - Provided are compositions, preferably azeotrope or azeotrope-like compositions comprised of 1,1,1,4,4,4-hexafluoro-2-butene and chlorotrifluoropropene, particularly 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), and uses thereof. | 02-20-2014 |
20140044976 | USE OF A MULTILAYER PVC/FLUORINATED POLYMER STRUCTURE FOR PROTECTING THE REAR OF SOLAR PANELS - The invention relates to a novel use of a multilayer structure, combining fluorinated polymers and PVC, as protection for use at the rear of a photovoltaic solar panel, said structure having improved durability in outdoor environments, while retaining the other properties associated with a back-sheet, namely good electric insulation, thermal stability in terms of volume and dimensions and good adhesion to the encapsulating material. The invention relates to the use of a multilayer structure as protection at the rear of a solar panel, said structure comprising at least one layer of fluorinated polymer and one layer of PVC. | 02-13-2014 |
20140030538 | NOVEL IMPACT-REINFORCED ACRYLIC MATERIAL - The subject of the present invention is a semi-rigid or flexible and low-gloss impact-reinforced acrylic material. The acrylic material according to the invention comprises a nanostructured matrix constituted of at least one thermoplastic acrylic block copolymer and at least one highly crosslinked acrylic copolymer. The matrix comprises at least one thermoplastic acrylic block copolymer. The highly crosslinked acrylic copolymer comprises, as sole monomer or as predominate monomer, MMA, that is to say that it comprises, by weight, more than 50%, advantageously more than 65% of MMA. The acrylic material according to the invention comprises from 60% to 99% by weight of matrix for 40% to 1% by weight of crosslinked copolymer. These materials may be converted by injection molding, extrusion, co-extrusion, extrusion-blow molding for producing parts, profiles, sheets or films for example. | 01-30-2014 |
20140026960 | ENCAPSULENT FOR A PHOTOVOLTAIC MODULE - An encapsulant for a photovoltaic module, intended to coat a photovoltaic cell, including at least two adjacent thermoplastic layers together forming a core-skin assembly: the skin layer is a polyamide graft polymer including a polyolefin backbone representing 50 wt % to 95 wt % of the polyamide graft polymer, containing a residue of at least one unsaturated monomer (X) and at least one polyamide graft, representing 5 wt % to 50 wt % of said polyamide graft polymer; the polyolefin backbone and the polyamide graft of the skin layer are chosen so that the polyamide graft polymer has a flow temperature greater than or equal to 75° C. and less than or equal to 160° C., this flow temperature being defined as the highest temperature out of the melting temperature and the glass transition temperature of the polyamide graft and of the polyolefin backbone. | 01-30-2014 |
20140024864 | HYDRO(CHLORO)FLUOROOLEFINS AND METHOD FOR PREPARATION THEREOF - A subject of the invention is a compound of formula (I) XCF | 01-23-2014 |
20140024575 | COMPOSITIONS COMPRISING 3,3,3-TRIFLUOROPROPENE AND AMMONIA - A composition based on 3,3,3-trifluoropropene and ammonia, and to the use thereof, especially as a heat transfer fluid. A heat-transfer composition including the composition based on 3,3,3-trifluoropropene and ammonia and also one or more additives chosen from lubricants, stabilizers, surfactants, tracers, fluorescers, odorant agents and solubilizers, and mixtures thereof. A process for heating or cooling a fluid or a body by means of a vapor compression circuit containing a heat-transfer fluid, said process successively including evaporation of the heat-transfer fluid, compression of the heat-transfer fluid, condensation of the heat fluid and depressurization of the heat-transfer fluid, in which the heat-transfer fluid is a composition based on 3,3,3-trifluoropropene and ammonia. | 01-23-2014 |
20140018504 | IMPACT MODIFIER AND USES THEREOF IN THERMOSET MATERIALS - The present invention relates to an impact modifier and a device and a method for the production thereof, as well as to a method for preparing a thermoset material, or a thermoset material precursor, from the impact modifier. The impact modifier comprises at least one copolymer selected from A-B-A, A-B, and A-B-C block copolymers in which: each block is linked to the other by means of a covalent bond or an intermediate molecule that is connected to one of the blocks by a covalent bond and to the other block by another covalent bond; A is a PMMA homopolymer or a copolymer of methyl methacrylate, A preferably being compatible with the resin; C is either (i) a PMMA homopolymer or a copolymer of methyl methacrylate, or (ii) a polymer based on monomers or a mixture of vinyl monomers, and blocks A and C are identical; and B is incompatible or partially compatible with the thermoset resin and incompatible with block A and optional block C. The impact modifier is characterized in that it takes the form of microgranules having a diameter of less than 1500 μm, and preferably between 400 and 1000 μm. The ratio of the standard-deviation/mean size of the particles is less than 10%, preferably less than 5%. | 01-16-2014 |
20140018469 | COMPOSITE MATERIAL CONTAINING CARBON NANOTUBES AND PARTICLES HAVING A CORE-SHELL STRUCTURE - A composite material including, in a polymeric composition, carbon nanotubes combined with particles having an elastomeric core and at least one thermoplastic shell. The composite material including, in a polymer composition, carbon nanotubes associated, so as to form aggregations of less than 30 μm, with particles having a core made of totally or partially crosslinked elastomer and at least one thermoplastic shell, in a weight ratio of the particles of core-shell structure to the nanotubes of between 0.5:1 and 2.5:1. Also, a method for preparing said material, as well as to the use thereof for imparting various properties to polymeric matrices. | 01-16-2014 |
20140014180 | ENCAPSULANT FOR A PHOTOVOLTAIC MODULE - An encapsulant for a photovoltaic module, intended to coat a photovoltaic cell, including at least two adjacent thermoplastic layers forming a core-skin assembly, wherein the skin layer consists of a polyamide-grafted polymer including a polyolefin backbone, representing from 50% to 95% by weight of the polyamide-grafted polymer, containing a residue of at least one unsaturated monomer (X) and at least one polyamide graft, representing from 5% to 50% by weight of polyamide-grafted polymer, the core layer including a polyethylene chosen from a homopolymer of ethylene or a copolymer including at least 50 mol % of ethylene and one or more comonomers. Also, a photovoltaic module incorporating such an encapsulant. | 01-16-2014 |
20140012051 | CATALYTIC GAS PHASE FLUORINATION - The invention relates to a fluorination process, alternately comprising reaction stages and regeneration stages, wherein the reaction stages comprise reacting a chlorinated compound with hydrogen fluoride in gas phase in the presence of a fluorination catalyst to produce a fluorinated compound, and the regeneration stages comprise contacting the fluorination catalyst with an oxidizing agent-containing gas flow. | 01-09-2014 |
20140008565 | BINARY COMPOSITIONS OF 2,3,3,3-TETRAFLUOROPROPENE AND OF AMMONIA - A binary composition of 2,3,3,3-tetrafluoropropene and of ammonia, and also to the use thereof, in particular as a heat transfer fluid. | 01-09-2014 |
20140005323 | MANUFACTURE OF ETHYLENE/CARBOXYLIC ACID COPOLYMERS FROM RENEWABLE MATERIALS, COPOLYMERS OBTAINED AND USES | 01-02-2014 |
20140000707 | DOUBLE-LAYER FILM OF A PHOTOVOLTAIC MODULE | 01-02-2014 |
20130345388 | Process for Producing Nitrile-Fatty Acid Compounds - The invention relates to a process for synthesizing a nitrile-fatty acid (heminitrile) from unsaturated fatty acids, in the form of an acid or a simple ester or a “complex” ester of triglyceride type, which is first of all converted into an unsaturated fatty nitrile which is subjected to oxidative cleavage using H | 12-26-2013 |
20130337025 | FINE POWDER OF BIOSOURCED ALIPHATIC POLYESTER AND PRODUCTION METHOD THEREOF - The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 μm, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 μm. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 μm and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products. | 12-19-2013 |
20130333802 | METHOD FOR SAFE FILLING WITH CARBON NANOTUBES, FILLING SYSTEM AND INDUSTRIAL PLANT EMPLOYING THIS METHOD - The invention relates to a method for filling a receptacle ( | 12-19-2013 |
20130324758 | PROCESS FOR MANUFACTURING ACROLEIN/ACRYLIC ACID - The present invention relates to the selective elimination of propanal in acrolein-rich streams to produce acrolein and/or acrylic acid and/or acrylonitrile and/or methylmercaptopropionaldehyde containing low amount of propanal and/or propionic acid and/or propionitrile. One subject of the present invention is a process for manufacturing acrolein comprising a step of selective elimination of propanal in an acrolein-rich stream in contact with a catalyst comprising at least molybdenum. Another subject of the present invention is a process for manufacturing acrylic acid from glycerol including a step of selective elimination of propanal in an acrolein-rich stream in contact with a catalyst comprising at least molybdenum. | 12-05-2013 |
20130319510 | FLUOROPOLYMER-BASED FILM FOR PHOTOVOLTAIC APPLICATION - The present invention relates to a composition comprising a fluoropolymer and two white inorganic fillers, the said composition being intended for the manufacture of thin monolayer films which are opaque to visible light and to UV rays and which can be used in particular in the field of photovoltaic cells. This composition consists of at least one fluoropolymer and of two white inorganic fillers, which are zinc oxide and titanium oxide; they are present in a proportion by weight ranging from 5 to 30% and from 3 to 7.5% respectively, The said composition additionally comprises less than 5% by weight of acrylic polymer, with respect to the total weight of the composition. | 12-05-2013 |
20130312607 | Carbon Oxide Capture - The present invention relates to the use of (poly)-oxymethylene dialkyl ethers as agents for capturing carbon oxides, CO and/or CO | 11-28-2013 |
20130310518 | FREE RADICAL POLYMERISATION OF ETHYLENE INITIATED BY ORGANIC PEROXIDES WITH HIGH PRODUCTIVITY - A method for manufacturing polyethylene or an ethylene copolymer, including a step of free radical polymerisation or copolymerisation of the ethylene at an initiation temperature varying from 150° C. to 200° C., at a pressure varying from 500 to 3000 bar, in the presence of a peroxidic polymerisation initiator selected from among the peroxide compounds of formula (I) in which R1 and R8 are, separately, a C2-C6 alkyl group; R2, R3, R6 and R7 are, separately, a C1-C5 alkyl group; and R4 and R5 are, separately, a C1-C6 alkyl group. | 11-21-2013 |
20130310297 | POLYMER-CLEANING COMPOSITION - The present disclosure relates to a dimethyl sulfoxide composition suitable for cleaning polymer residue found on the devices used for processing plastic materials, in particular polyurethane. | 11-21-2013 |
20130303664 | WOOD/POLYMER COMPOSITE WITH IMPROVED THERMAL STABILITY - A composite including a thermoplastic elastomer and a plant flour. This composite has an increased thermal stability and can be used in a construction material. | 11-14-2013 |
20130296502 | COPOLYMERS COMPRISING POLYAMIDE BLOCKS AND POLYETHER BLOCKS AND HAVING IMPROVED MECHANICAL PROPERTIES - The invention relates to a process for producing a shaped article having excellent mechanical properties, said article comprising a block copolymer PAX.Y/PE comprising polyamide (PA) blocks alternating with polyether (PE) blocks, prepared from homopolyamide blocks PAX.Y by polycondenstation of linear aliphatic diamines where PAX.Y is selected from the group consisting of PA 10,12; PA 6,18; PA 10,14; and PA 12.12, reacted with polyether PE blocks in the presence of a catalyst to produce a block copolymer PAX.Y/PE, wherein said PE blocks are either PE diols, or PE blocks comprising NH | 11-07-2013 |
20130281629 | NEW IMPACT MODIFIER AND IMPACT MODIFIED THERMOPLASTIC COMPOSITION - The invention relates to an impact modified thermoplastic resin comprising a polymeric impact modifier with a core-shell structure comprising 2-octylacrylate. | 10-24-2013 |
20130276674 | METHOD FOR INSERTING CARBON NANOFILLERS INTO AN INORGANIC CURABLE SYSTEM - Inorganic curable systems, such as cements, plasters, ceramics, or liquid silicates, which can be used, for example, in the fields of building, construction, or the oil-drilling industry. The use of carbon nanofillers for reinforcing the mechanical properties of such systems and for improving the latter. A method for inserting carbon nanofillers, such as carbon nanotubes, in the form of a binder master batch, into an inorganic curable system with a view to preparing composite materials having improved properties. | 10-24-2013 |
20130267741 | PROCESS FOR THE MANUFACTURE OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE BY GAS PHASE FLUORINATION OF PENTACHLOROPROPANE - The present invention provides a process of catalytic fluorination in gas phase of product 1,1,1,2,3- pentachloropropane or/and 1,1,2,2,3-pentachloropropane into product 2-chloro-3,3,3-trifluoropropene in presence of a catalyst and oxygen. | 10-10-2013 |
20130267740 | PROCESS FOR THE PREPARATION OF 2,3,3,3 TETRAFLUOROPROPENE - The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene, comprising the following steps: (a) catalytic reaction of 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane with HF into product 2-chloro-3,3,3-trifluoropropene; (b) catalytic reaction of the thus-obtained 2-chloro-3,3,3-trifluoropropene into 2,3,3,3-tetrafluoropropene. | 10-10-2013 |
20130267739 | PROCESS FOR PREPARING DIALKYL DISULPHIDES - The present disclosure relates to a process for obtaining dialkyl disulphides from alkyl mercaptan and from sulphur, in which a reaction intermediate present in the final disulphide is decomposed at the end of synthesis. This operation makes it possible to avoid the degradation of said reaction intermediate over time, which is responsible for the decrease in purity of the dialkyl disulphide. | 10-10-2013 |
20130266815 | SILICON-CONTAINING (METH) ACRYLATE COMPOUNDS - The present invention includes silicon-containing (meth)acrylate compounds of formula (I) | 10-10-2013 |
20130261255 | COMPOSITION INCLUDING A MIXTURE OF A THERMOPLASTIC CONDENSATION POLYMER AND A SUPRAMOLECULAR POLYMER, AND MANUFACTURING METHOD - A subject matter of the present invention is a composition comprising:
| 10-03-2013 |
20130261244 | FLAME-RETARDED THERMOPLASTIC COMPOSITIONS OF HIGH THERMOMECHANICAL STRENGTH, IN PARTICULAR FOR ELECTRIC CABLES - A flame-retarded thermoplastic composition including a graft copolymer containing polyamide blocks and composed of a polyolefin backbone and on average at least one polyamide graft, in which the grafts are attached to the backbone by the residues of an unsaturated monomer (X) having a function capable of reacting with a polyamide, the residues of the unsaturated monomer (X) are attached to the backbone by grafting or copolymerization from its double bond, wherein the composition includes: —between 60% and 70% by weight of the graft copolymer containing polyamide blocks, —between 22% and 28% by weight of poly(pentabromobenzyl acrylate), —between 4% and 8% by weight of a synergistic flame retardant chosen from antimony trioxide, derivatives of tin, of molybdenum and/or bismuth and also boron and zinc oxides, calcium borates, calcium sulphate and/or zinc stannate, between 0.5% and 5% by weight of organophilic treated clay. | 10-03-2013 |
20130255284 | REFRIGERANTS CONTAINING (E)-1,1,1,4,4,4-HEXAFLUOROBUT-2-ENE - The invention relates to a composition comprising (E)-1,1,1,4,4,4-hexafluorobat-2-ene as a mixture with at least one hydrocarbon, hydrofinorocarbon or fluoroolefin compound having a boiling point less than or equal to 42° C., and also to the use of this composition as a heat transfer fluid. | 10-03-2013 |
20130248087 | PROCESS FOR PRODUCING FIBROUS MATERIAL PRE-IMPREGNATED WITH THERMOSETTING POLYMER - A method for producing a fibrous material including carbon fibres or glass fibres or plant fibres or polymer-based fibres, that are used alone or in a mixture, and are impregnated by a thermohardenable polymer using a mixture containing a hardener and carbon nanofillers, such as carbon nanotubes (CNT). A mixture containing said nanofillers, such as CNTs, and the hardener is used to introduce said nanofillers into the fibrous material. A continuous production line (L) for producing the material in the form of at least one calibrated and homogeneous strip ( | 09-26-2013 |
20130247983 | HALOGEN-FREE, FIREPROOF, TRANSPARENT THERMOPLASTIC COMPOSITIONS HAVING HIGH THERMOMECHANICAL STRENGTH, IN PARTICULAR FOR ENCAPSULATION IN PHOTOVOLTAIC MODULES - A transparent, fireproof thermoplastic composition which is free from halogen compounds and includes a polyamide-block graft copolymer formed by a polyolefin backbone and, on average, at least one polyamide graft. The grafts are attached to the backbone by the radicals of an unsaturated monomer (X) that has a function capable of reacting with a polyamide, and the radicals of the unsaturated monomer (X) are attached to the backbone by grafting or co-polymerisation from the double bond thereof. The composition includes, as a weight percentage of the total composition: 90 to 99 wt % of the polyamide-block graft copolymer, and 1 to 10 wt % of metal salts of phosphoric acid. | 09-26-2013 |
20130231504 | METHOD FOR PRODUCING BIORESOURCED PROPIONIC ACID FROM GLYCEROL - A method for producing bioresourced propionic acid from glycerol. Also, a composition comprising more than 85 mass % of bioresourced propionic acid, and to the use of the propionic acid obtained from the method as a solvent, as a food preservative, for producing herbicide or for preparing vinyl propionate. | 09-05-2013 |
20130225786 | COPOLYAMIDES - The invention relates to a copolyamide comprising units resulting from the polycondensation reaction of the following precursors:
| 08-29-2013 |
20130217780 | Biostatic Neutralizing Composition for Aqueous Fluids - The invention relates to a biostatic neutralizing composition for aqueous fluids, including two amines, one of which is dihydroxyethylamine. The invention also relates to the use of such a composition as a biostatic neutralizing additive for industrial aqueous fluids. The invention further relates to the industrial aqueous fluids containing such a composition. | 08-22-2013 |
20130211115 | PROCESS FOR THE PURIFICATION OF A FATTY ACID ALKYL ESTER BY LIQUID/LIQUID EXTRACTION - The present invention relates to a process for the selective extraction of monoglycerides present in a fraction of fatty acid alkyl esters (FAAEs), comprising at least one stage of liquid-liquid extraction by means of a polar solvent (PS) comprising a light alcohol and optionally of a nonpolar solvent (NS) comprising a solvent which is immiscible with the light alcohol. | 08-15-2013 |