| Entries |
| Document | Title | Date |
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| 20080214730 | Solid Pigment Concentrates - Solid pigment concentrate comprising at least one pigment and a dispersant comprising a polyamine backbone and one or more hydrophobic pendent groups, characterized in that the concentrate further comprises a non-ionic 5 surface active agent comprising polyoxyalkylene groups. The polyamine backbone can for instance comprise polyalkylene imine building blocks. | 09-04-2008 |
| 20080249237 | Process for Producing Ultrafine Powders Based on Polyamides, Ultrafine Polyamide Powders and Their Use - Process for preparing ultrafine powders based on polyamides by contacting polyamides having a relative solution viscosity η | 10-09-2008 |
| 20080293883 | Process for Production of (Co)Polyamide Nanocomposite Materials - The present invention concerns a process for preparing a polymer nanocomposite composition, the process comprising: a) mixing a melted polyamide of inherent viscosity under 1 and a nanofiller to disperse the nanofiller in said polyamide; and b) subjecting the previous mixture to polymerization conditions to polymerize the polyamide and to form the polymer nanocomposite composition. Advantageously the inherent viscosity of the polyamide is under 0.9 and preferably between 0.4 and 0.8. Step a) is carried out in an extruder or a mixer. Advantageously a mono or twin-screw extruder is used. Step b) could be made either in melted state or in solid state. It is easier to make it in the same apparatus as step a). Should step a) is carried out in an extruder, step b) is made in the same extruder. Polymerization of step b) can be carried with a catalyst and/or by having the extruder zones in which step b) takes place to operate under vacuum. | 11-27-2008 |
| 20090005502 | Mobile telephone housing comprising polyamide resin composition - A mobile telephone housing comprising a polyamide composition having excellent stiffness and low moisture absorption. | 01-01-2009 |
| 20090023858 | SCREE-PRINTABLE ENCAPSULANTS BASED ON POLYHYDROXYAMIDES THAT THERMALLY CONVERT TO POLYBENZOXAZOLES - This invention relates to compositions, and the use of such compositions for protective coatings, particularly of electronic devices. The invention concerns fired-on-foil ceramic capacitors coated with a composite encapsulant and embedded in a printed wiring board. | 01-22-2009 |
| 20090069499 | PROCESS FOR PRODUCING GLASS FIBER-REINFORCED POLYAMIDE RESIN COMPOSITION - The present invention provides a process for producing a polyamide resin composition, comprising the steps of: impregnating a molten polyamide resin into glass fiber rovings; taking off the polyamide-impregnated glass fiber rovings during twisting thereof to provide a strand; and pelletizing the strand to provide a resin composition, wherein a melt viscosity of the polyamide resin is set to fall within a particular range. According to the present invention, there can be provided a process for producing a glass fiber-reinforced polyamide resin composition excellent in the impregnation of the resin into the glass fiber rovings and capable of offering a molding excellent in mechanical strength and color tone. | 03-12-2009 |
| 20090198012 | EPOXY RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL - The present invention relates to an epoxy resin composition comprising the following [A], [A′], [B], and [C]: [A] a bisphenol-type epoxy resin having a glass transition temperature or melting point of 50° C. or higher; [A′] an epoxy resin which is in a liquid state at 25° C.; [B] an epoxy resin curing agent; and [C] at least one block copolymer selected from the group consisting of S-B-M, B-M, and M-B-M, wherein the blocks are linked to each other by a covalent bond or by an intermediate molecule bound to one of the blocks via one covalent bond formation and to the other block via another covalent bond formation; the block M is a methyl methacrylate homopolymer or a copolymer comprising at least 50% by weight of methyl methacrylate; the block B is incompatible with the block M and has a glass transition temperature of 20° C. or lower; and the block S is incompatible with the blocks B and M and has a glass transition temperature higher than that of the block B, a prepreg obtained by impregnating a fiber base with the epoxy resin composition, and a fiber-reinforced composite material obtained by curing the prepreg. | 08-06-2009 |
| 20090286928 | CARBON NANOTUBE GRAFTED WITH LOW-MOLECULAR WEIGHT POLYANILINE AND DISPERSION THEREOF - Chemically modified carbon nanotubes composed of carbon nanotubes (such as multiwall carbon nanotubes) having carboxyl groups on the surface thereof and polymeric aniline (such as 3- to 300-meric aniline) bonding thereto through the amide linkage. The chemically modified carbon nanotubes exhibit good affinity with organic solvents and readily disperse into organic solvents. | 11-19-2009 |
| 20100063205 | METHOD FOR DISSOLVING ARAMID POLYMER IN SULFURIC ACID USING A DOUBLE SHAFT KNEADER - A method for dissolving an aramid polymer in sulfuric acid using a double shaft kneader, comprising the steps: dosing the polymer and the solvent into the kneader, mixing the polymer and the solvent to dissolve the polymer in the solvent for obtaining a solution, degassing the solution to obtain a spin dope, and transporting the spin dope out of the kneader, wherein the polymer is an aramid polymer and the solvent is sulfuric acid, and whereby the aramid polymer is dosed into the kneader prior to dosing the sulfuric acid into the kneader. | 03-11-2010 |
| 20100069569 | POLYIMIDE PRECURSOR, POLYIMIDE, AND COATING SOLUTION FOR UNDER LAYER FILM FOR IMAGE FORMATION - There is provided a polyimide precursor which can alter the hydrophilicity/hydrophobicity of the surface of a cured film formed readily even by a low level of ultraviolet ray irradiation; and a polyimide produced from the polyimide precursor. The polyimide precursor having a structure represented by the following formula (1): | 03-18-2010 |
| 20100087594 | Method of preparing non-toxic water paint - In a method of preparing a non-toxic anti-tacky water paint, nitrocellulose is solubilized in n-butyl acetate to form a nitrocellulose solution, which is then mixed with urea-formaldehyde and water to form a first mixture solution, which is then heated for two to three hours via water at a temperature of 65 to 90° C. so that the first mixture solution is separated into an upper layer of liquid and a lower layer of powder. Next, the upper layer is removed, and ethylene glycol monobutyl ether is added to the lower layer to form a second mixture solution. Then, a non-ionic surfactant is added to the second mixture solution to form a third mixture solution. Finally, the third mixture solution is added to a water-soluble paint to obtain the non-toxic anti-tacky water paint, which may be coated on a container object so that the object can be conveniently transported and stored. | 04-08-2010 |
| 20100099817 | FLEXIBLE THERMOPLASTIC COMPOSITION WITH IMPROVED RESISTANCE TO THE EFFECT OF OILS, AND USE OF SUCH A COMPOSITION - The invention relates to a flexible thermoplastic composition resistant to the ageing effects of oil, said composition comprising a grafted copolymer containing polyamide blocks and consisting of a polyolefin backbone and at least one polyamide graft. According to the invention, the grafts are attached to the core by the residues of an unsaturated monomer (X) having a function that can react with a polyamide comprising an amine end or a carboxylic acid end; the residues of the unsaturated monomer (X) are attached to the backbone by grafting or copolymerisation from the double bond thereof; and the composition comprises between 40 to 90 wt % of the polyolefin core comprising the unsaturated monomer (X); between 5 to 40 wt % of polyamide grafts; and between 5 to 40% of at least one polymer selected from a saponified ethylene/vinyl acetate copolymer and a polyamide. | 04-22-2010 |
| 20100113689 | Polyimide Resin and Curable Resin Composition - A curable polyimide resin composition containing a polyimide resin obtainable from by a reaction of a reaction mixture containing a diisocyanate compound, a carbonate group-containing diol compound and an imide compound having two terminal hydroxyhydrocarbyl groups gives a cured insulation film having improved characteristics. | 05-06-2010 |
| 20100130677 | POLYAMIDE-BASED THERMOPLASTIC POLYMER COMPOSITIONS - Polyamide-based thermoplastic polymer compositions that exhibit a good balance among the properties thereof, in particular their mechanical properties, and a high fluidity in the molten state; such compositions contain at least one high-fluidity polyamide and a shock modification agent having functional groups that react with the polyamide. | 05-27-2010 |
| 20100227972 | MATERIAL FOR SLIDING COMPONENT - To provide a material for sliding components, which is excellent in low warping property, high limiting PV value, low dynamic friction coefficient and wear resistance. This material is suitably used particularly for components such as gears, pulleys, cams and bearings of automobiles, and machines, and cable housing for supporting a cable (e.g., feed cable, signal cable, optical cable). The material for sliding components comprises a thermoplastic resin composition containing (A) a thermoplastic resin and (B) a glass fiber having a noncircular cross-section with the ratio of the long diameter to the short diameter in the cross-section perpendicular to the length direction being from 1.2 to 10. In the material for sliding components, based on the entire thermoplastic resin composition, the thermoplastic resin (A) accounts for 90 to 30 wt % and the glass fiber (B) having a noncircular cross-section with the ratio of the long diameter to the short diameter in the cross-section perpendicular to the length direction being from 1:2 to 10 accounts for 10 to 70 wt %. | 09-09-2010 |
| 20100227973 | LOW VISCOSITY POLYAMIDES - A polyamide having a viscosity of between about 20 and about 40 FAV and a number average molecular weight of between about 9,000 and about 16,000 grams per mole is provided. The polyamide also includes un-terminated endgroups, where a difference between a concentration of carboxylic acid endgroups and a concentration of amine endgroups is about 5 meq/kg or less. | 09-09-2010 |
| 20100292398 | ARAMID PARTICLES CONTAINING PEROXIDE RADICAL INTIATOR - An aramid particle containing a peroxide radical initiator wherein the particle contains 3-40 wt % peroxide radical initiator based on the weight of the aramid particle. Also, disclosed is a particle-elastomer composition having 100 parts by weight of at least one natural or synthetic elastomer, such as rubber; 0.1 to 20 parts by weight of a peroxide or 0.1 to 25 parts by weight of sulfur, an amount of a sulfur donor providing the equivalent of 0.1 to 25 parts by weight of sulfur, or a mixture of sulfur and a sulfur donor to an equivalent total of 0.1 to 25 parts by weight of sulfur; and 0.1 to 20 parts by weight of the aramid particle. | 11-18-2010 |
| 20100305269 | METHODS AND SYSTEMS FOR MAKING REINFORCED THERMOPLASTIC COMPOSITES, AND THE PRODUCTS - Various methods and systems of making inorganic fiber/flake reinforced composites having a thermoplastic matrix are disclosed. The methods use systems similar to those used to make inorganic fiber/flake reinforced products having a thermoset matrix, but the systems and methods are modified to use thermoplastic precursor monomer(s) followed by in situ polymerization of the monomer(s) during and/or following forming of the desired shape of the products. These methods permit the manufacture of superior inorganic fiber reinforced thermoplastic matrix composites in large and very large shapes heretofore not possible, or practical. | 12-02-2010 |
| 20100311900 | THERMALLY STABLE MATRIX MICROPARTICLES AND MICROCAPSULES FOR POLYMER ADDITIZATION AND PROCESS FOR THEIR PRODUCTION - Polyimide matrix microparticles or microcapsules having a thermally stable polyimide wall or matrix and functional polymer additives as core materials. The polyimide matrix microparticles or microcapsules can be processed into high-melting polymers by melt compounding. | 12-09-2010 |
| 20100311901 | ARAMID FILLED POLYIMIDES HAVING ADVANTAGEOUS THERMAL EXPANSION PROPERTIES, AND METHODS RELATING THERETO - The invention is directed to polyimide based adhesives having a coefficient of thermal expansion (“CTE”) equal to or below 50 ppm/° C. The adhesives of the present invention contain a polyimide base polymer present in the overall adhesive in an amount from 25 to 95 weight percent. The polyimide base polymer has a glass transition temperature (“T | 12-09-2010 |
| 20100324207 | PHOTOVOLTAIC MODULE MONO-BACKSHEET, METHOD FOR THE PRODUCTION THEREOF, AND THE USE THEREOF IN THE PRODUCTION OF PHOTOVOLTAIC MODULES - Relates to mono-backsheets for photovoltaic modules. These mono-backsheets are produced or producible from a molding compound, this molding compound being based on at least one polyamide. The photovoltaic module mono-backsheet according to the invention is characterized in that the at least one polyamide is synthesized from linear and/or branched aliphatic and/or cycloaliphatic monomers, which have an average of at least 8 and at most 17 carbon atoms. The monomers are selected from the group which comprises diamines, dicarboxylic acids, lactams, and amino carboxylic acids, as well as mixtures thereof. The polyamides PA 610 and PA 612 are excluded from the present invention, and the polyamides based on lactams and amino carboxylic acids are cross-linked. | 12-23-2010 |
| 20110028644 | NOVEL COMPOSITIONS, METHODS AND POLYMERS - A composition comprising a homopolymer or a copolymer comprising bithiophene units for use in, for example, low band gap materials including uses in organic photovoltaic active layers. The band gap and other properties can be engineered by polymerization methods including selection of monomer structure and ratio of monomer components. In addition, a dimer adapted for making alternating copolymers further comprising one first monomer moiety comprising at least one bithiophene moiety compound covalently linked to one second monomer moiety comprising a different bithiophene moiety or at least one moiety that is not a bithiophene. The composition can be copolymerized to form an alternating copolymer that can be further processed to form a polymeric film used in a printed organic electronic device. A series of novel copolymers are designed that would allow fabrication of materials with tailor made electronic and/or mechanical properties that can be easily manipulated through molecules chemical structure and potentially result in long term stability under ambient conditions that can be advantageous for use in organic electronics (e.g., OPVs, OLEDs, OFETs). Improved methods are disclosed for making monomers comprising a benzo[2,1-b:3,4-b′]dithiophene moiety that are useful as electronics materials. | 02-03-2011 |
| 20110086976 | SLIDING PARTS, PRECISION PARTS AND TIMEPIECES AND ELECTRONIC EQUIPMENT USING THE SAME - The present invention relates to sliding parts, precision parts and timepieces and electronic equipment using those parts. Sliding parts are composed by a resin in which the degree of orientation of a fibrous filler is higher at the portion serving as the sliding surface than inside the sliding part, and the fibrous filler is oriented along the sliding surface on the sliding surface. Alternatively, precision parts are composed by a resin to which has been added carbon fibers for which a carbon compound is thermally decomposed to carbon in the vapor phase and simultaneously grown directly into fibers simultaneous to this thermal decomposition. Moreover, timepieces and electronic equipment are composed by these sliding parts or these precision parts. | 04-14-2011 |
| 20110092641 | Solventless Universal Colorants - A method of preparing a universal base composition disclosed which consists of milling a pigment in a resin that is soluble in both water and organic solvent and wherein the resin contains both hydrophobic and hydrophilic monomers such that the total weight of the hydrophobic and hydrophilic monomers is at least about 20% of the total weight of the resin and the weight ratio of hydrophobic monomers to hydrophilic monomers is from about 1/5 to about 5. | 04-21-2011 |
| 20110092642 | OLEFIN POLYMER WAX-CONTAINING RESIN COMPOSITION - Resin compositions of the invention contain an olefin polymer wax having higher heat resistance than achieved heretofore, high compatibility with resins and excellent mold-releasing properties. | 04-21-2011 |
| 20110118410 | COMPOSITE POWDER, USE IN A SHAPING PROCESS, AND MOULDINGS PRODUCED FROM THIS POWDER - The present invention relates to a composite powder which comprises polymer powder and porous glass beads, and to the use of this composite powder for shaping processes, and also to mouldings produced from this composite powder. | 05-19-2011 |
| 20110152450 | POLYAMIDE COMPOSITIONS HAVING HIGH ACID ENDS - Disclosed is a thermoplastic composition including (A) a polyamide resin independently selected from the group consisting of Group (I) Polyamides having a melting point of at least 260° C., and comprising (a) greater than 95 mole percent semiaromatic repeat units and (b) less than 5 mole percent aliphatic repeat units; (B) 0 to 60 weight percent of one or more reinforcement agents; and | 06-23-2011 |
| 20110160391 | AMINO ACID MIMETIC COPOLYMERS AND MEDICAL DEVICES COATED WITH THE COPOLYMERS - Biocompatible polymers are manufactured to include an amino acid mimetic monomer and one or more hydrophobic acrylate monomers. The amino acid mimetic monomers are selected to mimic the side chain of the amino acids asparagine or glutamine. The amino acid mimetic monomer can be a methacryloyl or acryloyl derivative of 2-hydroxyacetamide, 3-hydroxypropionamide, alaninamide, lactamide, or glycinamide. These amide functional groups offer the advantage of moderate hydrophilicity with little chemical reactivity. The amino acid mimetic monomer can be copolymerized with one or more hydrophobic acrylate monomers to obtain desired coating properties. | 06-30-2011 |
| 20110224370 | POLYAMIDE RESIN - A polyamide resin composed of constitutional units derived from a diamine component 70 mol % or more of which is derived from p-xylylenediamine and constitutional unit derived from a dicarboxylic acid 70 mol % or more of which is derived from an aliphatic dicarboxylic acid having 6 to 18 carbon atoms. The polyamide resin has a number average molecular weight (Mn) of 10,000 to 50,000 and a degree of dispersion (weight average molecular weight/number average molecular weight=Mw/Mn) satisfying the following formula (1): | 09-15-2011 |
| 20110251341 | REINFORCED POLYAMIDE COMPOSITION - A polyamide modified by a compound including at least one hydroxyl group, as well as a method for preparing said polyamide and articles obtained from the modified polyamide are described. A polyamide composition including reinforcing fillers, and a modified polyamide obtained by polymerization from, in particular, a monofunctional hydroxyaromatic acid or amino acid compound in the presence of diacid, diamine and/or amino acid or lactam compounds are also described. | 10-13-2011 |
| 20110301290 | METHOD FOR PRODUCING POLYAMIDE RESIN - A method for producing a polyamide resin characterized by comprising thermally polycondension of tetramethylene diamine and either an aliphatic dicarboxylic acid having 7 or more carbon atoms or a salt thereof, and then being melt-polymerized at a temperature equal to or higher than the melting point thereof until the relative viscosity of a 0.01 g/ml solution thereof in 98% sulfuric acid solution with a 0.01 g/ml content at 25° C. becomes 2.2-5.0. | 12-08-2011 |
| 20120016077 | POLYAMIDE RESIN, POLYAMIDE RESIN COMPOSITION, AND MOLDED ARTICLE COMPRISING SAME - A polyamide resin obtained by heating and condensation-polymerizing ingredients mainly comprising pentamethylenediamine having a total content of 2,3,4,5-tetrahydropyridine and piperidine of 0.10 wt. % or lower and an aliphatic dicarboxylic acid having 7 or more carbon atoms, a 0.01 g/mL solution of the polyamide resin in 98% sulfuric acid having a relative viscosity at 25° C. of 1.8-4.5. The polyamide resin has excellent heat resistance, extremely low water absorption, and excellent melt residence stability and is hence suitable for use as long molded articles represented by automotive radiator tanks, etc. | 01-19-2012 |
| 20120065327 | POLYAMIDE RESIN - A polyamide resin which comprises a diamine unit containing 70 mol % or more of a paraxylylenediamine unit and a dicarboxylic acid unit containing 70 mol % or more of a linear aliphatic dicarboxylic acid unit having from 6 to 18 carbon atoms, and which has a phosphorus atom concentration of from 50 to 1,000 ppm and a YI value of 10 or less in the color difference test in accordance with JIS-K-7105. | 03-15-2012 |
| 20120123053 | CARBON FIBER - A carbon fiber is coated with a sizing at an amount X between 0.1 and 0.3 wt %. The sizing is formed of a heat resistant polymer or a precursor of the heat resistant polymer. The amount X of the sizing is expressed with a following formula: | 05-17-2012 |
| 20120172521 | MODIFIED POLYAMIDE COMPOSITION - A sulfonated aliphatic or aromatic compound for the production of a modified polyamide that can significantly increase the glass transition temperature of the polyamide is described. A polyamide composition including at least: one polyamide modified by a sulfonated compound, the compound being chemically bonded to the polymer chain of the polyamide; and reinforcing or filling agents is also described. The composition can be a composition to be molded, for example, in the form of granules or powder, to be used in the production of articles using an injection molding method. | 07-05-2012 |
| 20120238698 | POLYAMIDE COMBINATION FILM PREPARED BY USING SAME, AND DISPLAY DEVICE INCLUDING THE FILM - Provided are a polyamide combination that includes: a first polyamide including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a second polyamide including a repeating unit represented by Chemical Formula 3, and a film prepared using the polyamide combination. | 09-20-2012 |
| 20120238699 | STAR POLYMER - A star polymer is produced by converting a central compound having at least three functional groups X, an arylene compound having two functional groups Y, and a terminal group compound having a functional group Z, the functional groups X of the central compound each reacting with a functional group Y of the arylene compound, forming a covalent bond, and the functional group Z of the terminal group compound reacting with a functional group Y of the arylene compound, forming a covalent bond, the terminal group compound being used in a stoichiometric quantity that corresponds essentially to the stoichiometric quantity of the functional groups X of the central compound, and to a method for producing star polymers, a polymer mixture including star polymers, and to the use of star polymers. | 09-20-2012 |
| 20120264877 | PROCESS FOR PRODUCING ULTRAFINE POWDERS BASED ON POLYAMIDES, ULTRAFINE POLYAMIDE POWDERS AND THEIR USE - Process for preparing ultrafine powders based on polyamides by contacting polyamides having a relative solution viscosity η | 10-18-2012 |
| 20120270999 | OPTICAL FILM, OPTICAL FILM MANUFACTURING METHOD, TRANSPARENT SUBSTRATE, IMAGE DISPLAY DEVICE, AND SOLAR CELL - An optical film that is excellent not only in transparency and heat resistance but also in solubility in an organic solvent and linear thermal expansion coefficient. Also, a product or a member which meets high demands for heat resistance and low linear thermal expansion coefficient with the use of the optical film, more specifically a transparent substrate using the optical film, and an image display device and a solar cell including the optical film or the transparent substrate. The optical film contains a polyimide having a specific structure in which a repeating unit of a chain of a polymer has both an amide group and an imide group and the polymer has a fluorine atom. The polyimide is obtained by mixing a dehydrating agent and an imidizing agent with a polyamic acid solution so as to imidize the polyamic acid. | 10-25-2012 |
| 20120302698 | MOISTURE-ADAPTIVE VAPOR BARRIER, IN PARTICULAR FOR HEAT INSULATING BUILDINGS AND METHOD FOR PRODUCING THE VAPOR BARRIER - The invention relates to a moisture-adaptive vapor barrier, in particular for heat insulating buildings. The vapor barrier is produced from a material which has a plateau-shaped S | 11-29-2012 |
| 20120309896 | SOLID INK COMPOSITIONS COMPRISING SEMICRYSTALLINE OLIGOMER RESINS - A solid ink composition comprising oligomer resins which are suitable for direct-to-paper (DTP) and/or transfix inkjet printing. In embodiments, the oligomer resins are poly/oligoester and poly/oligoesteramide compounds, which are non-wax materials having semi-crystalline properties. | 12-06-2012 |
| 20130012654 | ALIGNMENT LAYER WITH REACTIVE MESOGENS FOR ALIGNING LIQUID CRYSTAL MOLECULES - The invention relates to an alignment layer with improved adhesion to liquid crystal (LC) films, to a precursor material used for the preparation of such a layer, to a laminate comprising such a layer and at least one LC polymer film, and to the use of the alignment layer and the laminate for optical, electrooptical, decorative or security uses and devices, wherein the alignment layer and the precursor material comprise at least one reactive mesogen in monomeric, oligomeric or polymeric form. | 01-10-2013 |
| 20130030117 | METHOD OF MANUFACTURING POLYAMIDE AND CARBON NANOTUBE COMPOSITE USING HIGH SHEARING PROCESS - The present invention provides a method of manufacturing polyamide-carbon nanotube composites. The method includes mixing a polyamide composition including 0.01-1% by weight of carbon nanotubes using a shearing rate equal to or greater than 1000-4400 sec | 01-31-2013 |
| 20130041103 | HEAT-CURABLE POWDER COATING COMPOSITIONS, WHICH AFTER THE COATING HAS CURED RESULT IN A MATT SURFACE AND SIMPLE METHOD FOR PRODUCING SAME - The invention relates to heat-curable powder coating compositions, which after the coating has cured result in a matt surface and to a simple method for producing same | 02-14-2013 |
| 20130079465 | PROCESS FOR PRODUCING POLYAMIDES VIA ANIONIC POLYMERIZATION - The present invention relates to a process for producing polyamides, preferably crosslinked polyamides, via anionic polymerization of lactams in the presence of an anionic catalyst and of a caprolactam-capped polyisocyanate, where said isocyanate comprises more than 3.5 capped isocyanate groups. | 03-28-2013 |
| 20130123422 | COATINGS FOR IMPLANTABLE DEVICES COMPRISING POLY(HYDROXY-ALKANOATES) AND DIACID LINKAGES - Coatings for an implantable medical device and a method of fabricating thereof are disclosed, the coatings include block-polymers comprising at least one poly(hydroxyacid) or poly(hydroxy-alkanoate) block, at least one block of a biologically compatible polymer and at least one type of linking moiety. | 05-16-2013 |
| 20130137817 | Cure-On-Demand Liquid Sealant Composition, Process For The Preparation Thereof And Uses Thereof - The present invention is directed to a liquid sealant composition based on polysulphide, capable of curing on demand, and the process for preparing same, the liquid sealant composition including: (i) a polysulphide comprising an —SH end group, (ii) a crosslinking agent chosen from ethylenically unsaturated or acetylenically unsaturated compounds, the unsaturated ethylenic or unsaturated acetylenic functions of the crosslinking agent being chemically blocked with a blocking agent, and (iii) optionally, a catalyst. The present invention also relates to a process for coating a substrate with a composition according to the invention, and also to the cured sealant materials formed from this composition. Finally, the invention relates to the use of a liquid sealant composition according to the invention for the construction and/or the maintenance, and more particularly for the adhesive bonding and/or the protection, of vehicles and machines. | 05-30-2013 |
| 20130150524 | SULFONATE-MODIFIED POLYAMIDE HAVING IMPROVED BARRIER PROPERTIES - The use of a polyamide modified by sulfonate functions which has improved barrier properties is described. Further described is the use of a sulfonate, aliphatic or aromatic compound for manufacturing a modified polyamide having improved fluid-barrier properties. The composition as described includes a modified polyamide, which is optionally a composition in the form of granules or powder used in manufacturing articles by an injection or extrusion blow-molding method. | 06-13-2013 |
| 20130165585 | METHODS OF MAKING REACTIVE FIBER/FLAKE PREPREGS AND REACTIVE PREPREGS - Prepreg compositions and methods of making them from particles and a binder composition are disclosed. The methods may include placing the particles on a moving conveying belt and applying the binder composition to the particles on the moving conveying belt to form a moving mass. Alternate methods may include first placing the binder composition on the moving conveying belt and then applying the particles to the binding composition to form the moving mass. The methods may further include passing the moving mass through one or more pairs of opposed, compacting rolls, where the particles and the binder composition are pressed into further contact while passing through the compacting rolls to form the prepreg. The binder composition in the prepreg may include monomers and/or oligomers of a polymer that are capable of polymerizing into the polymer under polymerization conditions. | 06-27-2013 |
| 20130211003 | POLYMER, PROCESS AND COMPOSITION - There is described a process for producing a gel free hyperbranched polyamide polymer having primary amino groups (useful as a crosslinker). The process comprises the step of reacting at least one diamine and at least one unsaturated diester in a molar ratio of diamine to diester greater than 1 but less than 3 (preferably 2.1 to 2.9); to form the polyamide in a two stage reaction Michael addition and then amidation. The diamine in kept in excess with at least 5% of water by total weight of the diamine and diester, a reaction temperature less than the boiling point of the diamine; and is held under reduced pressure (30 mbar to 1 atms). Gelation does not occur even after substantially all ethylenic (—C═C—) double bonds; and >95% ester [—C(O)═O] groups have reacted. This violates the Flory rules which predict a gel would form based on the number of functional groups present and their degree of conversion. | 08-15-2013 |
| 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 |
| 20130274412 | POLYMER COMPOSITIONS CONTAINING MECHANOCHROMIC POLYMERS - The present invention relates to a polymer composition that includes a polymer having at least one polymer segment represented by the following Formula (I), | 10-17-2013 |
| 20130289203 | TRIAZINE RING-CONTAINING POLYMER AND FILM-FORMING COMPOSITION CONTAINING SAME - A polymer containing a repeating unit structure having a triazine ring such as, for example, that which is represented by formula (25): can exhibit alone high heat resistance, high transparency, high refractive index, high solubility and low volume shrinkage; and can be used as a component in a film-forming composition as appropriate. | 10-31-2013 |
| 20130289204 | POLYIMIDE POWDER, POLYIMIDE SOLUTION, AND METHOD FOR PRODUCING POLYIMIDE POWDER - It is possible to provide polyimide powder which has an average size of 25 μm or less and is free from metal impurities which would otherwise be produced due to abrasion of a machine used for mechanical milling. | 10-31-2013 |
| 20140039120 | POLYAMIDE AND POLYAMIDE COMPOSITION - (Problems to be solved) | 02-06-2014 |
| 20140073736 | CURABLE COMPOSITION COMPRISING BIS-BENZOXAZINE, METHOD OF CURING, AND THE CURED COMPOSITION SO FORMED - The present invention deals with a novel curable composition comprising bis-benzoxazine and an amine-functionalized triazine, especially a di-isoimide, and the use thereof in the preparation of encapsulated printed wiring boards, especially flexible printed wiring boards. The curable composition hereof beneficially effects crosslinking of bis-benzoxazine at a lower temperature than has heretofore been provided in the art. | 03-13-2014 |
| 20140114019 | Polyester Quaternary Salt and Compositions Thereof - The invention relates to a composition containing a particulate solid; an organic medium; and a quaternised polyester salt which comprises a product obtained/obtainable by reaction of (i) a polyester containing a tertiary amino group; and (ii) a quaternising agent suitable for converting the tertiary amino group to a quaternary nitrogen, wherein the quaternising agent is a hydrocarbyl epoxide in combination with an acid, or mixtures thereof. The invention further relates to the use of the product as a dispersant. The invention further relates to the use of the dispersant in media, such as inks, mill bases, plastics and paints. | 04-24-2014 |
| 20140135449 | NOVEL POLYAMIDE, PROCESS FOR PREPARING SAME AND USES THEREOF - The present invention relates to a novel polyamide synthesized from biosourced monomers. The novel polyamide comprises the repeating unit of formula I below: | 05-15-2014 |
| 20140142246 | ENVIRONMENTAL FRIENDLY POLY(ETHER-FATTYAMIDE) RESIN COMPOSITION - An environmental friendly poly(ether-fattyamide) coating composition for mild steel plates or the like comprises and/or consists of a condensation polymerization product of a fatty diol and an aromatic/cyclic diol and wherein the fattyamide diol is synthesized using rapeseed oil and further cured with an aminoplast resin and a catalyst. The rapeseed oil is combined with a crosslinker such as hexa methoxy melamine formaldehyde, butylated melamine formaldehyde, urea formaldehyde of hydroxyl values of 220-240 mg KOH/gm of resin and curing catalysts. The curing catalyst may be para toluene sulphonic acids, dodecyl sulphonic acids, orthro phosphoric acid in a solvent such as xylene, ethyl methyl ketone, ethylene glycol mono methyl ether and aromatic hydrocarbons. Additional agents such as surfactants, stabilizers, wetting agents, flow modifiers, dispersing agents, adhesion promoters and UV absorbers may be added. | 05-22-2014 |
| 20140155546 | POLYIMIDE PRECURSOR, POLYIMIDE, AND COATING SOLUTION FOR UNDER LAYER FILM FOR IMAGE FORMATION - There is provided a polyimide precursor which can alter the hydrophilicity/hydrophobicity of the surface of a cured film formed readily even by a low level of ultraviolet ray irradiation; and a polyimide produced from the polyimide precursor. The polyimide precursor having a structure represented by the following formula (1): | 06-05-2014 |
| 20140163165 | LOW MOLECULAR WEIGHT PRODUCTS AND USE THEREOF AS REVERSIBLE OR PERMANENT LOW-TEMPERATURE CROSSLINKING AGENT IN DIELS-ALDER REACTIONS - The invention relates to low molecular mass products and to the use thereof as reversible or permanent low-temperature crosslinkers in Diels-Alder reactions. | 06-12-2014 |
| 20140200308 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED THERMAL DIMENSIONAL STABILITY AND HIGH REFRACTIVE INDEX - Disclosed herein are methods and compositions of polycarbonate compositions having, among other characteristics, improved thermal dimensional stability, hydrolytic stability and high refractive index. The resulting polycarbonate copolymer composition, comprising a polycarbonate and a polysulfone, can be used in the manufacture of articles for optical applications. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 07-17-2014 |
| 20140243473 | METHOD AND DEVICE FOR DIRECT, CONTINUOUS MODIFICATION OF POLYMER MELTS - The invention relates to a method for direct, continuous modification of polymer melts with additives in the side stream and is distinguished by a very high degree of flexibility in product change-overs. | 08-28-2014 |
| 20140256873 | FINE FIBERS MADE FROM REACTIVE ADDITIVES - The present disclosure provides a unique fine fiber material that is formed from a fiber-forming polymer material with at least two reactive additives that are capable of reacting with each other, and optionally reacting with the fiber-forming polymer. | 09-11-2014 |
| 20140296430 | AMINE ADDUCTS PREPARABLE BY MICHAEL ADDITION - The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications. | 10-02-2014 |
| 20140309367 | Use of a polyamide chain-extending compound as a stabilizer - The invention relates to the use of a polyamide chain-extending compound as an agent for stabilizing the polyamide toward heat, light and/or bad weather. Polyamide compositions may comprise at least one of these polyamide chain-extending compounds and optionally reinforcing fillers and optionally impact modifiers. | 10-16-2014 |
| 20140371390 | THERMOPLASTIC COPOLYIMIDES - The present invention relates to semiaromatic and semicrystalline thermoplastic polyimides obtained by polymerization of at least one aromatic compound comprising two anhydride functions and/or carboxylic acid and/or ester derivatives thereof and a diamine comprising between 13 and 22 carbon atoms. These polyimides may be converted into plastic articles by various methods, such as injection-molding. | 12-18-2014 |
| 20150057410 | THERMOPLASTIC MOLDING COMPOUNDS - The present invention relates to thermoplastic moulding compositions comprising iron oxalate as stabilizer system with respect to adverse thermooxidative effects. The invention further relates to the use of iron oxalate to improve the stability of thermoplastic moulding compositions with respect to adverse thermooxidative and/or photooxidative effects, and also to processes for the production of the said moulding compositions. | 02-26-2015 |
| 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 |
| 20150087776 | Multi-stage Process for Forming Polyarylene Sulfides - A multi-stage process and system for formation of a polyarylene sulfide is described. The multi-stage process can include at least three separate formation stages that can take place in three different reactors. The first stage of the formation process can include reaction of an alkali metal sulfide with an organic amide solvent to form a complex including a hydrolysis product of the solvent and an alkali metal hydrogen sulfide. The second stage of the formation process can include reaction of the complex formed in the first stage with a dihaloaromatic monomer to form a prepolymer, and the third stage can include further polymerization of the prepolymer with additional monomers to form the final product. | 03-26-2015 |
| 20150087777 | PROCESS FOR FORMING LOW HALOGEN CONTENT POLYARYLENE SULFIDES - A multi-stage process and system for formation of a polyarylene sulfide is described. A first polymerization stage of the formation process can include reaction of a sulfide monomer with a dihaloaromatic monomer to form a prepolymer. A second polymerization stage can include further polymerization of the prepolymer with a sulfur-containing monomer and a dihaloaromatic monomer to form a low halogen content polyarylene sulfide. The amount of sulfur utilized in the second polymerization stage is a low fraction of the total amount of sulfur utilized in the multi-stage process. | 03-26-2015 |
| 20150291841 | DIGITAL GLAZE COMPOSITION FOR INK JET PRINTING - Digital glaze composition for ceramic supports comprising, at least one water-free solvent formed by a mixture of polar and/or non-polar or low-polarity solvents as a vehicle that is liquid at room temperature, at least one mixture of inorganic particles of frits and/or raw materials, without the use of inorganic pigment particles, as a glazing-forming material and, at least one dispersant. All prepared in such a way that the physical properties of the digital glaze such as particle size, viscosity, surface tension, sedimentation speed and sintering and softening temperatures, are suitable for achieving the necessary final base finishing quality with the required weights. The special composition of the digital glaze also allows the use thereof as ink for decoration and ink for protection. | 10-15-2015 |
| 20150337108 | POLYAMIDE COMPOSITION AND MOLDED PRODUCT - It is an object of the present invention to provide a polyamide composition having excellent whiteness, reflow resistance, heat discoloration resistance, light discoloration resistance, and extrusion processability. | 11-26-2015 |
| 20150344359 | SOLUTION OF POLYAMIDE FOR SENSOR ELEMENT - This disclosure, viewed from one aspect, relates to a method for producing a sensor element, including the following steps (A) and (B):
| 12-03-2015 |
| 20150344673 | Thermoplastic Resin Composition for Automobiles and Molded Product Produced From the Same - A thermoplastic resin composition for automobiles, and a molded product produced from the composition, includes a semi-aromatic polyamide resin; a first chelate agent that includes an amino radical and at least one of a carboxylic acid and salt thereof; a second chelate agent that includes an aliphatic multivalent C1 to C10 carboxylic acid (not including a carbon atom of a carboxylic radical) having 2 to 4 carboxylic radicals; and a filler. | 12-03-2015 |
| 20160032144 | CARBON NANOMATERIAL-CONTAINING RESIN COMPOSITION AND MOLDED PLASTIC PRODUCT - Disclosed are a resin composition and a molded product obtained using the same. By using the resin composition according to the present invention, a molded product having excellent tensile strength, tensile modulus, electromagnetic shielding effects, anti-static effects, and the like may be provided. | 02-04-2016 |
| 20160053054 | CURABLE MIXTURES BASED ON XYLYLENE BISMALEIMIDE - The invention relates to a curable mixture comprising: RM % of m-xylylene bismaleimide of formula (I) | 02-25-2016 |
| 20160083564 | POLYAMIDE RESIN COMPOSITION, AND MOLDED ARTICLE - The invention provides a polyamide resin composition (1) containing a polyamide (A) and a free volume modifier (B), and having a free volume, as measured according to a positron annihilation method, of 0.0545 nm | 03-24-2016 |
| 20160090685 | CARBON FIBERS - Provided are treated carbon fibers particularly suited for making thermoplastic composites with polyamide resin, and methods to make such treated carbon fibers. | 03-31-2016 |
| 20160200871 | A Process to Produce Polycarbamate, Polycarbamate Produced Thereby and a Coating Composition Comprising the Polycarbamate | 07-14-2016 |
| 20160200897 | PROCESS STABILIZATION OF POLYMER COMPOSITIONS COMPRISING PHOSPHOROUS CONTAINING FLAME RETARDANTS | 07-14-2016 |
| 20160251545 | POLYIMIDE-BASED SOLUTION AND POLYIMIDE-BASED FILM PRODUCED USING SAME | 09-01-2016 |
