| Arkema Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20160136601 | THIXOTROPIC ANHYDROUS SHEAR THINNING PEROXIDE DISPERSIONS - Provided are dispersions which comprise more than about up to 55 percent by weight or more of an organic peroxide which is normally solid in an anhydrous liquid phase such as dibutyl maleate or dioctyl adipate, with about 5% by weight or more fumed silica to provide a thixotropic, storage stable organic peroxide paste. Addition of about 5 weight % or more of fumed silica was found to result in the formation of a shear thinning anhydrous dispersion of organic peroxide which was storage stable. | 05-19-2016 |
| 20160133988 | WATERBORNE FLUOROPOLYMER COMPOSITION - This invention relates to a waterborne fluoropolymer composition useful for the fabrication of Li-ion-Battery (LIB) electrodes. The fluoropolymer composition contains an organic carbonate compound, which is more environmentally friendly than other fugitive adhesion promoters currently used in waterborne fluoropolymer binders. An especially useful organic carbonate compound is ethylene carbonate (EC) and vinylene carbonate (VC), which are solids at room temperature, and other carbonates which are liquid at room temperature such as propylene carbonate, methyl carbonate and ethyl carbonate. The composition of the invention is low cost, environmentally friendly, safer, and has enhanced performance compared to current compositions. | 05-12-2016 |
| 20160122643 | METHOD OF INHIBITING POLYMERIZATION AND FOULING IN ACRYLIC ACID AND ACRYLATE PROCESSES - The method of inhibiting the polymerization of a mono-ethylenically unsaturated carboxylic acid, anhydride, ester or neutralized or partially neutralized salt, e.g., an acrylic acid or ester, in an aqueous solution and in the presence of oxygen, the method comprising the step of mixing with the aqueous solution an inhibitor comprising (i) at least 50 ppm of an N-oxyl compound, e.g., 4-hydroxy-TEMPO, and (ii) a manganese ion, the N-oxyl compound and manganese ion present in a N-oxyl compound to manganese ion weight ratio of 50:1 to less than 100:1 based on the mono-ethylenically unsaturated carboxylic acid, anhydride, ester or salt. | 05-05-2016 |
| 20160122495 | BLOWING AGENT COMPOSITION OF HYDROCHLOROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (HCFO) HFCO-1233zd alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 05-05-2016 |
| 20160121249 | BLOCK PRODUCTS INCORPORATING SMALL PARTICLE THERMOPLASTIC BINDERS AND METHODS OF MAKING SAME - A block product comprising a thermoplastic binder having an average particle size of less than 20 micrometers fused with active particles to form a generally coherent porous structure. In some cases, the average particle size of the binder is less than 12 micrometers. In some cases, the active particles are activated carbon particles. In some cases, the block product may include one or more of poly(vinylidene difluoride) binders, nylon-11, and nylon-12 or other odd-numbered polyamides having such small particle size. | 05-05-2016 |
| 20160086742 | AQUEOUS POLYVINYLIDENE FLUORIDE COMPOSITION - The invention relates to an aqueous fluoropolymer, and preferably polyvinylidene fluoride (PVDF), composition for manufacturing electrodes for use in non-aqueous-type electrochemical devices, such as batteries and electric double layer capacitors. The composition contains aqueous PVDF binder, and one or more powdery electrode-forming materials. In one embodiment, the composition is free of fluorinated surfactant In another embodiment, one or more fugitive adhesion promoters are added. The electrode formed from the composition of the invention exhibits interconnectivity and irreversibility that is achieved from the use of aqueous PVDF binder. | 03-24-2016 |
| 20160023034 | METHODS FOR PURIFYING AND STABILIZING HYDROFLUOROOLEFINS AND HYDROCHLOROFLUOROOLEFINS - Hydrofluoroolefins and hydrochlorofluoroolefins contaminated with acid and/or iron compounds are purified and stabilized by contacting the haloolefin with a solid adsorbent such as alumina and then combining the purified haloolefin with one or more stabilizers such as an epoxide. The purified, stabilized haloolefins thus obtained are useful in a wide variety of end-use applications, including, for example, as refrigerants, propellants, foaming agents, fire suppression or extinguishing agents, and solvents. | 01-28-2016 |
| 20160016868 | METHOD OF OBTAINING A COMBINATION OF Z AND E STEREOISOMERS OF HYDROFLUOROOLEFINS - Disclosed are the combinations containing Z and E stereoisomers of hydrofluoroolefins where the more toxic isomer is less than about | 01-21-2016 |
| 20150340676 | INTEGRATED ELECTRODE SEPARATOR ASSEMBLIES FOR LITHIUM ION BATTERIES - The invention relates to integrated electrode separators (IES), and their use in lithium ion batteries as replacements for free standing separators. The IES results from coating an electrode with a fluoropolymer aqueous-based emulsion or suspension, and drying the coating to produce a tough, porous separator layer on the electrodes. The aqueous fluoropolymer coating may optionally contain dispersed inorganic particles and other additives to improve electrode performance such as higher ionic conduction or higher temperature use. The IES provides several advantages, including a thinner, more uniform separator layer, and the elimination of a separate battery component (separator membrane) for a simpler and cost-saving manufacturing process. The aqueous separator coating can be used in combination with a solvent cast electrode as well as an aqueous cast electrode either in two separate process steps, or in a one-step process. | 11-26-2015 |
| 20150329697 | IRRADIATED FLUOROPOLYMER ARTICLES HAVING LOW LEACHABLE FLUORIDE IONS - The invention relates to fluoropolymer articles that have been irradiated with at least 5 Kilo Gray of radiation, where the resulting articles have low levels of leachable or extractable fluoride ion. The low fluoride ion migration from the irradiated article is due to the presence of low levels of metallic salts or oxides in the fluoropolymer composition. The invention is especially useful for fluoropolymer articles in which the fluoropolymer layer contacts a biological or pharmaceutical fluid, and that are subjected to sterilization by irradiation. | 11-19-2015 |
| 20150284553 | COMPOSITE POLYMER MODIFIERS - The invention relates to composite polymer modifiers for thermoplastic resins, and especially for polyvinyl chloride (PVC). The composite modifier is an intimate blend of mineral filler and polymeric process aid, which is formed by the co-powderization of aqueous emulsions, suspensions or slurries of one or more mineral filler(s) and process aid(s). The resulting composite modifier provides more effective modification of the thermoplastic resin than by the use of the dried components formed separately. The composite modifier may also contain other co-powderized components such as impact modifiers, for additional benefits. | 10-08-2015 |
| 20150252240 | HEAT TRANSFER COMPOSITION OF OXYGENATED LUBRICANT WITH HYDROFLUOROOLEFIN AND HYDROCHLOROFLUOROOLEFIN REFIGERANTS - The present invention relates to heat transfer compositions comprising an oxygenaged lubricant comprising polyvinyl ether oil and a refrigerant comprising hydrofluoroolefins and/or hydrochlorofluoroolefins. The heat transfer compositions of the present invention have the benefit of exhibiting superior thermal stability and are useful in such applications as refrigeration, air conditioning, and heat transfer systems. | 09-10-2015 |
| 20150152280 | COATING COMPOSITIONS FOR IMPROVED BLOCK RESISTANCE - Embodiments include coating compositions, methods of coating a substrate, and substrates having at least one surface coated according to the methods of the present disclosure. The aqueous, substantially volatile organic compound (VOC)-free coating compositions includes an acrylic latex and a vinyl acetate-ethylene latex including from about 10 to about 90 weight percent of a vinyl acetate-ethylene polymer, based on total weight of acrylic polymer and vinyl acetate-ethylene polymer, having a T | 06-04-2015 |
| 20150118535 | BATTERY BASED ON ORGANOSULFUR SPECIES - Metal-sulfur batteries, such as lithium-sulfur batteries, are prepared using one or more organosulfur species such as organic polysulfides and organic polythiolates as part of the liquid or gel electrolyte solution, as part of the cathode, and/or as part of a functionalized porous polymer providing an intermediate separator element. | 04-30-2015 |
| 20150079403 | AQUEOUS FLUOROPOLYMER GLASS COATING - The invention relates to an aqueous fluoropolymer coating composition for direct application to glass without the need for pre-treatment of the glass surface. The coating composition can also be used with other non-porous and porous substrates. The fluoropolymer coating contains a hydroxyl-functional fluoropolymer, and polyisocyanates. Preferably the coating composition also contains a water-dispersible hydroxyl functional polyurethane. The coating composition may exist as a 1-pack or a multi-pack coating system. The coating has excellent wet adhesion to glass, good weathering, chalking resistance, chemical resistance, and dirt pickup resistance. | 03-19-2015 |
| 20150073080 | LATEX BINDERS USEFUL IN ZERO OR LOW VOC COATING COMPOSITIONS - Latex binders useful for preparing zero or low VOC coating compositions having excellent freeze-thaw stability, good tint strength and good scrub resistance when cured may be obtained using a polymerizable polyalkylene glycol monomer such as polyethylene glycol methacrylate in combination with one or both of an emulsifier or a polymerizable polyalkylene glycol monomer containing bulky hydrophobic groups substituted on an aromatic ring. | 03-12-2015 |
| 20150051334 | POLYMER LATEX BINDERS USEFUL IN ZERO OR LOW VOC COATING COMPOSITIONS - Polymer latex binders useful for preparing coating compositions containing low levels of, or which are substantially free of, volatile organic compounds (VOCs) such as volatile freeze-thaw additives are prepared by multistage emulsion polymerization, wherein one stage provides a copolymer having a relatively high glass transition temperature and containing an oxyalkylene-containing (meth)acrylate comonomer. | 02-19-2015 |
| 20150038603 | BLOWING AGENT COMPOSITIONS OF HYDROCHLOROFLUOROOLEFINS - The present invention relates to foam products made with blowing agent compositions comprising at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HCFOs of the present invention include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), particularly the trans-isomer, 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), dichloro-fluorinated propenes, and mixtures thereof. The blowing agent compositions of the present invention are used with coblowing agents including carbon dioxide, atmospheric gases, hydrofluorocarbons (HFC), hydrofluoroolefins (HFO), alkanes, hydrofluoroethers (HFE), and mixtures thereof. Preferred HFCs used as coblowing agents in the present invention include, but are not limited too, 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a), 1,1,1-trifluoroethane (HFC-143a), pentafluorethane (HFC-125), difluoromethane (HFC-32). The blowing agent compositions are useful in the production of low density insulating foams with improved k-factor. | 02-05-2015 |
| 20140364541 | FUNCTIONAL MBS IMPACT MODIFIERS FOR USE IN ENGINEERING RESINS - The invention relates to a methylmethacrylate-butadiene-styrene (MBS) core/shell polymer impact modifier containing functionalization in the shell. The functionalized MBS is useful as an impact modifier in engineering resins, and especially in blends of engineering resins, particularly where the blend contains both functional and non-functional resins. One specific engineering resin blend having excellent low temperature impact performance is a polycarbonate (PC)/polyethylene terephthalate (PET) blend with the functional MBS of the present invention. | 12-11-2014 |
| 20140349533 | FIBERS SIZED WITH POLYETHEREKETONEKETONES - Fibers sized with a coating of amorphous polyetherketoneketone are useful in the preparation of reinforced polymers having improved properties, wherein the amorphous polyetherketoneketone can improve the compatibility of the fibers with the polymeric matrix. | 11-27-2014 |
| 20140336293 | BLOWING AGENT COMPOSITION OF HYDROFLUOROPROPENE AND HYDROCHLOROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is the hydrofluoropropene HFO-1243zf in combination with a hydrochlorofluoroolefin (HCFO) selected from HCFO-1233zd, HCFO-1233xf and HCFO-1223. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 11-13-2014 |
| 20140333002 | MELT PROCESSABLE COMPOSITION FROM RECYCLED MULTI-LAYER ARTICLES CONTAINING A FLUOROPOLYMER LAYER - The invention relates to an article that has been obtained by the melt-process recycling of one or more multi-layer articles, where the multi-layer articles are composed of at least one melt-processible polyvinylidene fluoride layer. The composition of the invention is a compatible blend of the different layers from the multi-layer articles. The other layers of the multi-layer articles are also melt-processible, and include one or more layers chosen from: a) a melt-processible fluoropolymer of a different composition, b) a non-fluoropolymer, and c) a barrier layer. The composition is useful for forming an article in a melt-process operation. The composition may be used by itself, may be blended with other virgin or recycled materials, or may be used at low levels with melt-processible polymers as a process aid. | 11-13-2014 |
| 20140316171 | PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS - The invention relates to a process for manufacturing 1,1,1,2-tetrafluoropropene (1234yf, CF | 10-23-2014 |
| 20140296360 | BLOWING AGENT COMPOSITION OF HYDROCHLOROFLUOROOLEFIN AND HYDROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (HCFO), preferably HFCO-1234ze in combination with a hydrochlorofluoroolefin (HCFO) preferably one selected from HCFO-1233zd, HCFO-1223, HCFO-1233xf and mixtures thereof. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 10-02-2014 |
| 20140256848 | IMPACT-MODIFIED POLYCARBONATE/POLYESTER OR POLYCARBONATE/POLYAMIDE COMPOSITIONS - The invention relates to impact-modified polymer compositions, containing a polymer blend of polycarbonate with polyester and/or polyamide, plus an impact modifier blend of core/shell and functional polyolefin impact modifiers. The impact modifiers can provide the polymer blend composition with improved impact strength at equivalent loading, and also allow for higher amounts of polyester and/or polyamide in the blend without sacrificing impact strength. | 09-11-2014 |
| 20140231240 | SEPARATION OF R-1233 FROM HYDROGEN FLUORIDE - The invention relates to a process for separating monochloro-trifluoropropenes such as HCFC-1233 from azeotrope or azeotrope like combinations with HF. The process employs a cold, liquid phase separations and multiple azeotropic distillation trains. | 08-21-2014 |
| 20140221686 | METHOD OF RECOVERING CARBOXYLIC ACIDS FROM DILUTE AQUEOUS STREAMS - Improvement in separating lower carboxylic acids from aqueous streams via liquid-liquid extraction with pressurized liquefied propylene and/or propane, wherein carboxylic acid is transferred from the aqueous phase into the liquid solvent phase (extract). The extracted carboxylic acids are recovered as a liquid concentrate by evaporating off the propylene and/or propane solvent from the extract at mild temperatures. | 08-07-2014 |
| 20140213678 | BLOWING AGENT COMPOSITIONS OF HYDROFLUOROOLEFINS AND HYDROCHLOROFLUOROOLEFINS - The present invention relates to blowing agent compositions comprising (1) at least one hydrofluoroolefin (HFO) and (2) at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HFOs of component (1) include, but are not limited too, 3,3,3-trifluoropropene (HFO-1243zf), 1,2,3,3,3 -pentafluoropropene (HFO-1225ye), cis- and/or trans-1,3,33-tetrafluoropropene (HFO-1234ze), and 2,3,3,3-tetrafluoropropene (HFO 1234yf), and mixtures thereof. The HCFOs of component (2) include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and mixtures thereof. The blowing agent compositions are useful in the production of low density insulating foams with improved k-factor. | 07-31-2014 |
| 20140174110 | USE OF R-1233 IN LIQUID CHILLERS - This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11. | 06-26-2014 |
| 20140171698 | PROCESS FOR THE MANUFACTURE OF HYDROCHLOROFLUOROOLEFINS - The invention also relates a process for the manufacture of trans 1-chloro 3,3,3-trifluoropropene. The process comprises an isomerization step from cis 1233zd to trans 1233zd. | 06-19-2014 |
| 20140166922 | STABILIZED HYDROCHLOROFLUOROOLEFINS AND HYDROFLUOROOLEFINS - Disclosed is a combination of hydrofluoroolefins and/or hydrochlorofluoroolefins with stabilizers wherein the stabilizers minimize the degradation of the hydrofluoroolefins and hydrochlorofluoroolefins during storage, handling and use yet allow for atmospheric degradation. The combinations exhibit low or zero ozone depletion potential and lower global warming potential making them of interest as replacements for chlorofluorocarbons and hydrofluorocarbons. The combinations of the present invention comprise hydrofluoroolefins and/or hydrochlorofluoroolefins in combination with a stabilizer or stabilizers selected from free radical scavengers, acid scavengers, oxygen scavengers, polymerization inhibitors and combinations thereof. | 06-19-2014 |
| 20140165626 | USE OF R-1233 IN LIQUID CHILLERS - This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11. | 06-19-2014 |
| 20140158185 | MULTILAYER POLYVINYLIDENE FILMS STRUCTURES - The invention relates to a multi-layer weatherable film structure having an outer layer of a highly weatherable film, a layer having a high thermal deformation temperature, an optional tie layer, and a thin layer of polyolefin or polyamide. The highly weatherable film layer preferably is polyvinylidene fluoride. The polyolefin or polyamide layer is less than 500 microns in thickness, and preferably the whole film structure is less than 750 microns thick. The polyolefinjpolyamide side of the film structure can easily be adhered to many different substances—especially polyolefins and polyamides. This film can be used to provide a highly weatherable protective layer a substrate. One useful application for the film is in a photovoltaic module to protect the back side of the module from weathering and abrasion. The multi-layer film structure can be adhered to a typical polyolefin-based encapsulant layer and used as a backsheet encapsulant in a photovoltaic module. | 06-12-2014 |
| 20140144833 | POLYMER BLEND MEMBRANES - The Invention relates to a membrane formed from a blend of high molecular weight polyvinylidene fluoride (PVDF) (>580,000 Mw) with low molecular weight PVDF (<580,000 Mw). Porous membranes of average pore size from 5 nm to 100 microns made from the blend show improved water permeability compared to membranes formed from a single Mw PVDF. | 05-29-2014 |
| 20140107279 | ACRYLIC COPOLYMER FOR USE IN HIGHLY FillED COMPOSITES - The invention relates to an acrylic copolymer additive useful as a process aid in highly filled polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) composites. The acrylic additive is especially useful in highly filled PVC flooring tiles, rolled flooring, pipe and siding. The acrylic copolymer additive contains from 50 to 79 weight percent of methyl methacrylate monomer units, and has a Tg of less than 90° C. | 04-17-2014 |
| 20140107240 | FOAMING OF THERMOPLASTIC MATERIALS WITH ORGANIC PEROXIDES - A method for making foamed thermoplastic materials includes processing a composition that contains (a) at least one thermoplastic material selected from one or more polyhydroxyalkanoates (PHAs), poly(lactic acid) (PLA), or combinations thereof; and (b) at least one organic peroxide under conditions effective to permit the composition to foam. The foamed thermoplastic materials provide a low density and lightness in weight, can be used in a variety of useful articles spanning many industries, and can have, depending on the choice of thermoplastic materials, excellent biodegradability compared to foamed polymers derived from non-renewable resources. | 04-17-2014 |
| 20140103248 | STABLE FORMULATED SYSTEMS WITH CHLORO-3,3,3-TRIFLUOROPROPENE - The present invention relates to formulated refrigerant systems of 1-chloro-3,3,3-trifluoropropene (R-1233zd) that are sufficiently thermally and chemically stable such that they can be effectively used sans additional stabilizers. The formulations of the present invention are particularly useful compositions for refrigeration, heat transfer and foam blowing. | 04-17-2014 |
| 20140070129 | NON-FLAMMABLE COMPOSITIONS OF CHLORO-TRIFLUOROPROPENE - The present invention relates to non-flammable compositions comprising chlorotrifluoropropene with reduced risk of flammability which are useful as refrigerants, heat transfer fluids, solvents, cleaners, blowing agents, aerosols, extraction fluids, and the like. | 03-13-2014 |
| 20140057826 | COMPOSITIONS OF HYDROCHLOROFLUOROOLEFINS - The present invention relates to solvent/cleaner and heat transfer fluid compositions comprising at least one hydrochlorofluoroolefin (HCFO), 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), particularly the trans-isomer. The HCFO of the present invention can be used in combination with co-agents including, hydrofluorocarbons (HFCs), hydrofluomolefins (HFOs), hydrocarbons, ethers including hydrofluoroethers (HFEs), esters, ketones, alcohols, 1,2-transdichloroethylene and mixtures thereof. | 02-27-2014 |
| 20140042422 | INTERNAL OPTICAL EXTRACTION LAYER FOR OLED DEVICES - A light-emitting device, which improves the light output of organic light emitting diodes (OLEDs), includes at least one porous metal or metalloid oxide light extraction layer positioned between the substrate and the transparent conducting material layer in the OLED. The index of refraction of the light extraction layer and the light scattering may be tuned by changing the pore size, pore density, doping the metal oxide, adding an insulating, conducting or semiconducting component, or filling the pores, for example. A method for forming the light-emitting device includes forming at least one light extraction layer comprising a porous metal or metalloid oxide on a substrate, for example, using atmospheric pressure chemical vapor deposition (APCVD), and subsequently, forming a transparent conducting material on the light extraction layer. | 02-13-2014 |
| 20140031442 | BLOWING AGENT COMPOSITIONS OF HYDROCHLOROFLUOROOLEFINS - The present invention relates to foam products made with blowing agent compositions comprising at least one hydrochlorofluoroolefin (HCFO) used in the preparation of Namable thermoplastic compositions. The HCFOs of the present invention include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), particularly the trans-isomer, 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), dichloro-fluorinated propenes, and mixtures thereof. The blowing agent compositions of the present invention are used with coblowing agents including carbon dioxide, atmospheric gases, hydrofluorocarbons (HFC), hydrofluoroolefins (HFO), alkanes, hydrofluoroethers (HFE), and mixtures thereof. Preferred HFCs used as coblowing agents in the present invention include, but are not limited too, 1,1,1,2-tetrafluoroethane (HFC-134 | 01-30-2014 |
| 20140030495 | MULTI-LAYER BREATHABLE FILMS - The invention relates to a breathable multi-layer film with at least one layer containing a breathable resin, such as block copolymers with polyether blocks, and one layer containing a soft (Tg<0° C., such as a polyolefins. The film is selectively permeable to water vapor but not permeable to water. The film can be bonded to a woven or non-woven substrate to produce a breathable fabric. | 01-30-2014 |
| 20140005325 | HIGH MELTING FLUOROPOLYMERS | 01-02-2014 |
| 20140005288 | STABILITY OF POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENTS | 01-02-2014 |
| 20130345363 | BIODEGRADABLE IMPACT-MODIFIED POLYMER COMPOSITIONS - The invention relates to an impact-modified bio-degradable polymer composition having large particle size impact modifiers dispersed in a continuous biodegradable polymer phase. The impact modifiers have a core-shell morphology and may have average sizes of greater than 250 nm. The impact-modified composition has good impact properties and low haze, The biodegradable polymer is preferably a polylactide or polyhydroxy butyrate. The composition comprises 30-99.9 weight percent of degradable polymer and 0.1 to 15 weight percent of one or more impact modifiers. | 12-26-2013 |
| 20130344152 | PEROXIDE DISPERSIONS - The viscosity of aqueous dispersions of normally solid organic peroxides may be advantageously lowered through the use of surfactants which are polyglyceryl esters of C6-C12 fatty acids. The reduction in viscosity facilitates milling the peroxides to reduce particle size and also provides dispersions of small particle size peroxides which may be readily poured or pumped. The aqueous dispersions are useful as components of pharmaceutical, personal care, and cleaning products and the like and are effective decolorizing agents for food products, industrial products and the like. | 12-26-2013 |
| 20130323416 | HEAT TREATED POLYMER POWDERS - The invention relates to heat treatment of polymorphic semicrystalline or crystallizable polymers to increase the content of the highest melting crystalline form. Such heat treatment results in a polymer powder that has a consistent, uniform melting range, improved flow and improved durability of the powder particle size for applications that require powder flow at elevated temperatures. In addition to improved powder properties, the articles produced from the powders also exhibit better physical properties in both appearance and in mechanical properties. Thus the invention also includes polymer powders and articles produced by the described processes. | 12-05-2013 |
| 20130312604 | FLUOROPOLYMER GAS SEPARATION FILMS - The invention relates to a novel film, membrane or powder media made from fluoropolymers, especially PVDF-based and ETFE-based polymers, which are suitable for separating gases, especially carbon dioxide, from a gas mixture. The novel film has good selectivity, high permeance, good mechanical properties, and exhibits a high resistance to oxidant and acid attack. The separation film is especially useful in harsh and corrosive environments. | 11-28-2013 |
| 20130303653 | EPOXIDIZED FATTY ACID ALKYL ESTERS AS FLEXIBILIZERS FOR POLY(LACTIC ACID) - A composition containing (a) at least one biodegradable/biorenewable thermoplastic material that includes poly(lactic acid) (PLA); and (b) at least one plasticizer that includes an epoxidized fatty acid alkyl ester is provided. In some embodiments, the epoxidized fatty acid alkyl ester is methyl epoxy soyate. It was found that epoxidized fatty acid alkyl esters impart a reduction in tensile modulus in compositions containing PLA. The compositions may be formed into films, such as those used in food packaging. A method that includes extruding a composition comprising PLA and at least one epoxidized fatty acid alkyl ester is provided. | 11-14-2013 |
| 20130296617 | COMPOSITIONS CONTAINING A COMBINATION OF Z AND E STEREOISOMERS OF HYDROFLUOROOLEFINS - Disclosed are the combinations containing Z and E stereoisomers of hydrofluoroolefins where the more toxic isomer is less than about 30% weight of the combination (vs the sum of Z+E), to minimize the toxicity impact in the applications they will. be used for such as cooling and heat fluids, foams blowing agents or solvents. Also disclosed are means to obtain combinations containing Z and E stereoisomers of hydrofluoroolefins. | 11-07-2013 |
| 20130274508 | SHELL AND TUBE OXIDATION REACTOR WITH IMPROVED RESISTANCE TO FOULING - The present disclosure relates to a single shell open interstage reactor (“SSOI”). The SSOI comprises a first reaction stage, an interstage heat exchanger, an open interstage region, and a second reaction stage. The SSOI may be configured for upflow or downflow operation. Further, the open interstage region of the SSOI may comprise a supplemental oxidant feed. When the open interstage region comprises a supplemental oxidant feed, the SSOI may further comprise a supplemental oxidant mixing assembly. Processes for producing acrylic acid through the oxidation of propylene are also disclosed. | 10-17-2013 |
| 20130246288 | HALOGENATED ALKENE HEAT TRANSFER COMPOSITIONS WITH IMPROVED OIL RETURN - The invention relates to heat transfer agents and heat transfer compositions containing hydrocarbon lubricating oils and halogenated alkene heat transfer fluid that promote oil flow and provide for improved oil return. The heat transfer compositions are useful in various heat transfer systems such as refrigeration, cooling, air conditioning, chiller operations. | 09-19-2013 |
| 20130203907 | EPOXIDIZED COMPOSITION AND METHODS FOR MAKING THE SAME - The invention relates to an epoxidized composition and a process for producing the same. The epoxidized composition is useful as a plasticizer for thermoplastics such as polyvinyl chloride (PVC) and other polymers. The process includes forming a blend containing one or more fatty acid esters and one or more bio-based oils; and epoxidizing the blend to form the epoxidized composition. This process has several advantages over a process of forming a blend of already epoxidized fatty acid esters and epoxidized bio-based oils. | 08-08-2013 |
| 20130190219 | METALLOCARBENE COMPLEX PEROXIDE ACTIVATORS - A bleaching composition comprising a peroxy compound and one or more activator present in an effective amount to activate the peroxy compound, present in an amount effective to accomplish bleaching or cleaning or oxidation. The activator is a metallocarbene of the general structure (XX′C) | 07-25-2013 |
| 20130178652 | METHOD OF INHIBITING POLYMERIZATION AND FOULING IN ACRYLIC ACID AND ACRYLATE PROCESSES - The method of inhibiting the polymerization of a mono-ethylenically unsaturated carboxylic acid, anhydride, ester or neutralized or partially neutralized salt, e.g., an acrylic acid or ester, in an aqueous solution and in the presence of oxygen, the method comprising the step of mixing with the aqueous solution an inhibitor comprising (i) at least 50 ppm of an N-oxyl compound, e.g., 4-hydroxy-TEMPO, and (ii) a manganese ion, the N-oxyl compound and manganese ion present in a N-oxyl compound to manganese ion weight ratio of 50:1 to less than 100:1. based on the mono-ethylenically unsaturated carboxylic acid, anhydride, ester or salt. | 07-11-2013 |
| 20130161554 | STABILIZED HYDROCHLOROFLUOROOLEFINS AND HYDROFLUOROOLEFINS - Disclosed is a combination of hydrofluoroolefins and/or hydrochlorofluoroolefins with stabilizers wherein the stabilizers minimize the degradation of the hydrofluoroolefins and hydrochlorofluoroolefins during storage, handling and use yet allow for atmospheric degradation. The combinations exhibit low or zero ozone depletion potential and lower global warming potential making them of interest as replacements for chlorofluorocarbons and hydrfluorocarbons. The combinations of the present invention comprise hydrofluoroolefins and/or hydrochlorofluoroolefins in combination with a stabilizer or stabilizers selected from free radical scavengers, acid scavengers, oxygen scavengers, polymerization inhibitors and combinations thereof. | 06-27-2013 |
| 20130150519 | METHOD OF PRODUCING FLUOROPOLYMERS USING ACID-FUNCTIONALIZED MONOMERS - A fluoropolymer latex is obtained by emulsion polymerization of one or more fluoromonomers in the presence of one or more acid-functionalized monomers such as vinyl sulfonic acid or a salt thereof. A fluorosurfactant need not be present. | 06-13-2013 |
| 20130143786 | ACTIVATED PEROXIDE CLEANING COMPOSITIONS - The present invention is directed towards cleaning composition and/or formulations of commercial cleaning products containing beneficial metallocarbene activators for peroxygen species. The cleaning compositions and/or formulations include a bleaching component comprising a peroxy compound and one or more activators present in an effective amount to activate the peroxy compound to accomplish bleaching or cleaning or oxidation. The activator is a metallocarbene of the general structure (XX′C)yMLn′ where M represents a metal center, C represents the carbene carbon bound to the metal center, X and X′ may be the same or different and may furthermore be part of a cyclic structure, Ln′ represents one or more other ligands which may or may not include one or more metal centers, and where y greater than equal to I. | 06-06-2013 |
| 20130131272 | POLYHYDROXYALKANOATE COMPOSITION EXHIBITING IMPROVED IMPACT RESISTANCE AT LOW LEVELS OF IMPACT MODIFIER - The invention provides a composition exhibiting improved impact resistance at low levels of impact modifier. The composition comprises a polyhydroxyalkanoic acid and:
| 05-23-2013 |
| 20130131201 | SUPERACID FUNCTIONAL COMPOUNDS - The invention relates to a novel synthesis method for forming superacid functional molecules that include monomers, as well as new polymers and copolymers formed from the monomers, and uses for these superacid molecules, polymers, and copolymers. The superacid molecules have an alpha,alpha-difluorosulfonic acid functionality that can be obtained by a reaction between various Grignard reagents and an alkyl(2-fluorosulfonyl)-1,1-difluoroacetate, such as methyl(2-fluorosulfonyl-1,1-difluoroacetate. The molecules, polymers and copolymers would be expected to have enhanced ion conductivity, and would be useful in a variety of applications, including as ion-conductive materials, surfactants, and ion exchange resins. | 05-23-2013 |
| 20130122309 | POLYVINYLIDENE FLUORIDE DISPERSION - The invention relates to a polyvinylidene fluoride (PVDF) solvent dispersion composition containing PVDF (such as KYNAR 500) that is free of fluorosurfactants, an organic solvent, and low levels of dispersants. A pigmented version of this dispersion is also covered. The dispersion is useful for producing tough, chemical-resistant coatings, especially on metallic substrates, including for use as a coil coating or an architectural coating. | 05-16-2013 |
| 20130122227 | ACRYLIC COPOLYMER FOR USE IN HIGHLY FILLED COMPOSITES - The invention relates to an acrylic copolymer additive useful as a process aid in highly filled polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) composites. The acrylic additive is especially useful in highly filled PVC flooring tiles, rolled flooring, pipe and siding. The acrylic copolymer additive contains from 50 to 79 weight percent of methyl methacrylate monomer units, and has a Tg of less than 90° C. | 05-16-2013 |
| 20130122192 | CHEMICAL VAPOR DEPOSITION USING N,O POLYDENTATE LIGAND COMPLEXES OF METALS - Complexes of metals and N,O polydentate ligands are useful as precursors in the preparation of doped zinc oxide coatings by chemical vapor deposition. | 05-16-2013 |
| 20130119300 | STABLE FORMULATED SYSTEMS WITH CHLORO-3,3,3-TRIFLUOROPROPENE - The present invention relates to formulated refrigerant systems of 1-chloro-3,3,3-trifluoropropene (R-1233zd) that are sufficiently thermally and chemically stable such that they can be effectively used sans additional stabilizers. The formulations of the present invention are particularly useful compositions for refrigeration, heat transfer. | 05-16-2013 |
| 20130108816 | MULTI-LAYER FLUOROPOLYMER FOAM STRUCTURE | 05-02-2013 |
| 20130096218 | HEAT TRANSFER COMPOSITIONS OF HYDROFLUOROCARBONS AND A HYDROFLUOROOLEFIN - The present invention relates to heat transfer compositions comprising 2,3,3,3-tetrafluoropropene, difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane for use in refrigeration, air-conditioning, heat pump systems, and other heat transfer applications. The inventive heat transfer compositions can possess reduced global warming potential while providing good capacity and performance. | 04-18-2013 |
| 20130089621 | DISINFECTANT COMPOSITIONS WITH HYDROGEN PEROXIDE - Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 0.8% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as | 04-11-2013 |
| 20130089533 | DISINFECTANT COMPOSITIONS WITH HYDROGEN PEROXIDE - Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 15% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as | 04-11-2013 |
| 20130079461 | AQUEOUS PROCESS FOR MAKING A STABLE FLUOROPOLYMER DISPERSION - A novel aqueous polymerization process for making fluoropolymer dispersions is disclosed in which non-ionic non-fluorinated emulsifier is used to produce fluoropolymer emulsions. The emulsifiers used in the invention are those that contain segments of polyethylene glycol, polypropylene glycol, and/or polytetamethylene glycol with repeating units of 3 to 100. The process and fluoropolymer produced contain no fluorinated surfactant. | 03-28-2013 |
| 20130060069 | DEHYDROFLUORINATION OF PENTAFLUOROALKANES TO FORM TETRAFLUOROOLEFINS - A method for producing a tetrafluoroolefin, such as 2,3,3,3-tetrafluoropropene (HFO-123434), comprises dehydrofluorinating a pentafluoroalkane in a gas phase in the presence of a catalyst comprising chromium oxyfluoride. In a preferred embodiment, 2,3,3,3-tetrafluoropropene (HFO-1234yf) is produced by forming a catalyst comprising chromium oxyfluoride by calcining CrF3?xH2O, where x is 1-10, in the presence of a flowing gas comprising nitrogen to form a calcined chromium oxyfluoride, and dehydrofluorinating 1,1,1,2,2-pentafluoropropane (HFC-245cb) in a gas phase in the presence of the catalyst to form the 2,3,3,3-tetrafluoropropene (HFO-1234yf). | 03-07-2013 |
| 20130041048 | METHOD OF IMPROVING STABILITY OF POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENT - The present invention is directed towards a method of stabilizing thermosetting foam blends such as polyurethane poly blends containing a blowing agent with negligible (low or zero) ozone-depletion and low GWP based upon unsaturated halogenated hydroolefins in which one or more ester is added to the thermosetting foam blends. The thermosetting foam blends typically in clued: polyol(s); surfactant(s); catalyst(s); flame retardent(s); organic acid inhibitor(s)/stabilizer(s); carbon dioxide generating agent(s). The addition of the one or more esters to the thermosetting foam blends was unexpectedly found to result in blends which were stable over time and the resulted foams have a uniform cell structure with little or no foam collapse. | 02-14-2013 |
| 20130035526 | PROCESS FOR THE MANUFACTURE OF TETRAFLUOROOLEFINS - A method for producing a tetrafluoroolefin, such as 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprises contacting 1,1,1,2-tetrachloro-2-fluoropropane (HCFC-241bb) with or without a catalyst under conditions effective to convert the 1,1,1,2-tetrachloro-2-fluoropropane (HCFC-241bb) to the tetrafluoroolefin, optionally, via an intermediate. The conversion may be a one-step fluorination or a two-step fluorination and dehydrochlorination process. The 1,1,1,2-tetrachloro-2-fluoropropane (HCFC-241bb) may also be obtained by dehydrochlorinating 1,2,3-trichloropropane (HCC-260da) to form 2,3-dichloropropene (HCO-1250xf); fluorinating 2,3-dichloropropene (HCO-1250xf) to form 1,2-dichloro-2-fluoropropane (HCFC-261bb); and chlorinating 1,2-dichloro-2-fluoropropane (HCFC-261bb) to form 1,1,1,2-tetrachloro-2-fluoropropane (HCFC-241bb). | 02-07-2013 |
| 20130035410 | BLOWING AGENT COMPOSITION OF HYDROCHLOROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (HCFO) HFCO-1233zd alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 02-07-2013 |
| 20120329923 | FLUOROPOLYMER COMPOSITION - The invention relates to a process that results in a fluoropolymer composition with improved chemical, thermal and color stabilities, and a reduced level of residual surfactants (both fluorosurfactants and non-fluorosurfactants. Such improvements, as indicated by total oxidizable carbon (TOC) and pellet yellowness index (YI), can be accomplished in a cost-effect manner through the use of a dewatering extruder. The dewatering extruder combines several typical unit operations into a single operation, producing solid fluoropolymer having a significantly reduced total oxidizable carbons, a lower yellowness index and minimal amounts of surfactants. | 12-27-2012 |
| 20120292556 | HEAT TRANSFER COMPOSITION OF OXYGENATED LUBRICANT WITH HYDROFLUOROOLEFIN AND HYDROCHLOROFLUOROOLEFIN REFRIGERANTS - The present invention relates to heat transfer compositions comprising an oxygenaged lubricant comprising polyvinyl ether oil and a refrigerant comprising hydrofluoroolefins and/or hydrochlorofluoroolefins. The heat transfer compositions of the present invention have the benefit of exhibiting superior thermal stability and are useful in such applications as refrigeration, air conditioning, and heat transfer systems. | 11-22-2012 |
| 20120288570 | HYDROGEN PEROXIDE COMPOSITIONS AND CLEANING FORMULATIONS PREPARED THEREFROM - A hydrogen peroxide composition comprises hydrogen peroxide, a stabilizer system comprising a colloidal stannate, at least one acidifying agent or a salt thereof selected from the group consisting of sulfur-containing acidifying agents, nitric acid, and mixtures and salts thereof. Optionally, the hydrogen peroxide composition comprises an organic phosphonic acid or a salt thereof, such as amino-phosphonate, and/or a free radical scavenger, such as salicylic acid. A cleaning formulation comprises the hydrogen peroxide composition, a pH adjusting agent, and optionally other additives, such as surfactants. The cleaning formulation may be made by mixing the hydrogen peroxide or a precursor thereof, water, colloidal stannate, and at least one acidifying agent, and optionally, adjusting the pH to achieve an alkaline pH. | 11-15-2012 |
| 20120272668 | METHOD OF SELECTING REFRIGERANT-LUBRICANT COMBINATIONS - The present invention provides methods for selecting refrigerant and lubricant combinations for use in heat transfer cycle systems and provides methods for operating said heat transfer systems. More particularly, the invention provides methods to select lubricant and refrigerant combinations for a heat transfer cycle system wherein at the lower temperatures of the heat transfer cycle the refrigerant and lubricant are miscible and at the upper temperatures of the heat transfer cycle the refrigerant and lubricant are phase separated and such that the density phase inversion temperature of the combination is below the upper operating temperature of the heat transfer cycle. | 11-01-2012 |
| 20120245238 | MELT PROCESSABLE COMPOSITION FROM RECYCLED MULTI-LAYER ARTICLES CONTAINING A FLUOROPOLYMER LAYER - The invention relates to a composition that has been obtained by the melt-process recycling of one or more multi-layer articles, where the multi-layer articles are composed of at least one melt-processible fluoropolymer layer. The composition of the invention is a compatible blend of the different layers from the multi-layer articles. The other layers of the multi-layer articles are also melt-processible, and include one or more layers chosen from: a) a melt-processible fluoropolymer of a different composition, b) a non-fluoropolymer, and c) a barrier layer. The composition is useful for forming an article in a melt-process operation. The composition may be used by itself, may be blended with other virgin or recycled materials, or may be used at low levels with melt-processible polymers as a process aid. | 09-27-2012 |
| 20120241158 | RADICAL TRAP IN OIL AND GAS STIMULATION OPERATIONS - A method for using a fracture fluid in forming subterranean fractures includes delaying degradation of a polymer in a fracture fluid when the fracture fluid comprises a breaker by combining at least one radical scavenger with the fracture fluid. The mixture for use in a fracture fluid comprises a radical scavenger and a breaker. A method of fracturing a subterranean formation may include providing a fracture fluid comprising a proppant, a polymer, and a breaker and adding a radical scavenger to the fracture fluid. The fracture fluid is supplied to a desired location in the subterranean formation to form at least one fracture where the viscosity of the fracture fluid is maintained. The breaker is then allowed to degrade the polymer and reduce the viscosity of the fracture fluid at a specific time or temperature. | 09-27-2012 |
| 20120226074 | PROCESS FOR PRODUCING ACRYLIC ACID - The process for the distillation of a gas mixture comprising (meth)acrylic acid obtained from the gas-phase oxidation of at least one (meth)acrylic acid precursors is improved through the use of coupled distillation columns. In a first column, the gaseous mixture is dehydrated while in a second column, the dehydrated gaseous mixture is distilled into product, overhead and bottoms streams. | 09-06-2012 |
| 20120225961 | BIODEGRADABLE FOAMS WITH IMPROVED DIMENSIONAL STABILITY - The invention provides a blowing agent composition and method of making the same comprising mixing carbon dioxide and a co-blowing agent or a blowing agent selected from the group consisting of hydrofluorocarbons, hydrochlorofluorocarbons, hydrofluoroethers, hydrofluoroolefms, hydrochlorofluoroolefms, hydrobromofluoroolefms, hydrofluoroketones, hydrochloroolefins, fluoroiodocarbons, alkyl esters, water, and mixtures thereof. Also provided is a method of making a low density foam using the blowing agent composition, and a biodegradable or biorenewable foam formed from a foamable biodegradable or biorenewable resin composition and the blowing agent composition. | 09-06-2012 |
| 20120225320 | DEPOSITION OF DOPED ZnO FILMS ON POLYMER SUBSTRATES BY UV-ASSISTED CHEMICAL VAPOR DEPOSITION - The invention provides a method of forming a layer on a polymer substrate comprises a polymer substrate with at least one precursor, and applying ultraviolet light to decompose the at least one precursor and deposit a layer onto the polymer substrate. Also provided is a doped layer comprising zinc oxide deposited on a polymer substrate obtained by introducing at least one precursor comprising zinc and a dopant into a vessel containing a polymer substrate, and applying an ultraviolet light to decompose the at least one precursor and to deposit a layer comprising doped zinc oxide onto the polymer substrate. | 09-06-2012 |
| 20120223453 | TRANSPARENT OR TRANSLUCENT EXTRUDED POLYAMIDE - The invention relates to a process for forming an extruded transparent or translucent polyamide article including melt calendering to improve the physical properties and optical clarity. The polyamide article is a sheet, film, or profile. | 09-06-2012 |
| 20120223269 | RANDOM COPOLYMER OIL RETURN AGENTS - The present invention relates to polymeric oil-return agents which solubilize or disperse mineral oil and/or synthetic oil lubricants with hydrofluorocarbon, hydrochlorofluorocarbon, and hydrofluoroolefin-based refrigerants and refrigerant compositions containing them. The polymeric oil-return agents are random copolymers containing less than about 30 wt % fluorine and produced from at least one monomer providing compatibility with the oil phase and at least one monomer providing compatibility with the refrigerant phase. The polymeric oil-return agents provide for more efficient return of mineral oil and/or synthetic oil lubricants from non-compressor zones back to a compressor zone in a refrigeration system. | 09-06-2012 |
| 20120217168 | HIGH SPEED TIN PLATING PROCESS - Methods for the electrolytic preparation of tin coated metals are disclosed. Organic polybasic acids, such as methanedisulfonic acid [CH | 08-30-2012 |
| 20120202904 | TETRAFLUOROBUTENE BLOWING AGENT COMPOSITIONS FOR POLYURETHANE FOAMS - A blowing agent for thermosetting foams is disclosed. The blowing agent is 2,4,4,4-tetrafluorobutene-1 alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), or a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 08-09-2012 |
| 20120172476 | POLYURETHANE FOAMING PROCESSES AND FOAM PROPERTIES USING HALOGENATED OLEFIN BLOWING AGENT - The present invention relates to a method of producing more uniformly distributed polyurethane form using blowing agents. More particularly, the present invention relates to a method of producing more uniformly distributed polyurethane foam for an application in which flow of liquid polyurethane foam prior to solidification is important to its performance using a hydrochlorofluoroolefin (HCFO), such as 1233zd. | 07-05-2012 |
| 20120145955 | COMPOSITION OF HCFO-1233zd AND POLYOL BLENDS FOR USE IN POLYURETHANE FOAM - The HCFO-1233zd polyurethane foam blowing agent is mixed with polyol blends consisting of at least one polyether polyol and at leas one polyester polyol. The combination is useful in producing polyurethane, thermosetting foams. Polyurethane foams are useful in applications such as thermal insulation in appliances, and residential and commercial buildings. | 06-14-2012 |
| 20120142858 | AQUEOUS PROCESS FOR MAKING FLUOROPOLYMERS - A novel aqueous polymerization process for making fluoropolymer dispersions is disclosed in which non-ionic non-fluorinated emulsifier is used to produce fluoropolymer emulsions. The emulsifiers contain blocks of polyethylene glycol, polypropylene glycol and/or polytetramethylene glycol. The process and fluoropolymer produced contain no fluorinated surfactant. The fluoropolymers have excellent resistance to discoloration. | 06-07-2012 |
| 20120138847 | AZEOTROPE AND AZEOTROPE-LIKE COMPOSITIONS OF 1-CHLORO-3,3,3-TRIFLUOROPROPENE AND HFC-245eb - The present invention relates to azeotrope and azeotrope-like compositions comprised of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) and 1,1,1,2,3-pentafluoropropane (HFC-245eb), and uses thereof. | 06-07-2012 |
| 20120138846 | AZEOTROPE AND AZEOTROPE-LIKE COMPOSITIONS OF 1-CHLORO-3,3,3-TRIFLUOROPROPENE AND HCFC-123 - Provided are azeotrope or azeotrope-like compositions comprised of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) and 1,1-dichloro-2,2,2-trans-trifluoroethane (HCFC-123). | 06-07-2012 |
| 20120135333 | ORGANIC/INORGANIC COMPOSITE BLEND MEMBRANE COMPOSITIONS OF POLYELECTROLYE BLENDS WITH NANOPARTICLES - The invention relates to composite blend membranes formed from blends of one or more polyelectrolytes, and one or more types of nanoparticles. Preferably the blend also includes one or more fluoropolymers. The addition of the nanoparticles was found to enhance the conductivity and mechanical properties of the membranes. | 05-31-2012 |
| 20120129974 | AQUEOUS COATING COMPOSITIONS - The disclosure relates to aqueous coating compositions and elastomeric coatings formed from the aqueous coating compositions, and in particular to aqueous coating compositions that can be used to form elastomeric coatings with improved dirt pickup resistance and elastomeric properties. | 05-24-2012 |
| 20120129755 | LIQUID CLEANING COMPOSITION - The present invention relates to a liquid cleaning composition comprising a peroxygen bleach, a sulfonated anionic surfactant and an amphoteric/zwitterionic surfactant where the sulfonated anionic surfactant and the amphoteric/zwitterionic surfactants are in a ratio of from 0.1:1 to 13:1. The combination of the sulfonated anionic surfactant and the amphoteric/zwitterionic surfactants provides for high viscosities and improved cleaning performance. | 05-24-2012 |
| 20120126273 | OLED SUBSTRATE CONSISTING OF TRANSPARENT CONDUCTIVE OXIDE (TCO) AND ANTI-IRIDESCENT UNDERCOAT - A light-emitting devices and methods for forming light-emitting devices are provided. The device comprises of a substrate having a first refractive index, a transparent electrode that is coupled to an organic layer, where the transparent electrode has a second refractive index different from the first refractive index. An undercoat layer is selected that has a third refractive index to substantially match the first refractive index to the second refractive index. The undercoat layer is selected such that it has a capacity to reduce root mean square roughness of the transparent electrode film deposited. The undercoat layer is selected to improve electrical properties of the transparent electrode layer. The undercoat layer is provided between the substrate and the transparent electrode. | 05-24-2012 |
| 20120108729 | IMPACT-MODIFIED POLYCARBONATE/POLYESTER OR POLYCARBONATE/POLYAMIDE COMPOSITIONS - The invention relates to impact-modified polymer compositions, containing a polymer blend of polycarbonate with polyester and/or polyamide, plus an impact modifier blend of core/shell and functional polyolefin impact modifiers. The impact modifiers can provide the polymer blend composition with improved impact strength at equivalent loading, and also allow for higher amounts of polyester and/or polyamide in the blend without sacrificing impact strength. | 05-03-2012 |
| 20120108688 | HYDROFLUOROPROPENE BLOWING AGENTS FOR THERMOPLASTICS - The present invention relates to blowing agent compositions comprising the unsaturated halogenated hydroolefin 3,3,3-trifluoropropene (HFO 1243zf) and combinations including primarily 3,3,3-trifluoropropene (HFO 1243zf). The blowing agent compositions are useful in that they provide sufficient plasticization to permit the production of low density insulating thermoplastic foams with improved k-factor. | 05-03-2012 |
| 20120101177 | BLOWING AGENT COMPOSITIONS OF HYDROCHLOROFLUOROOLEFINS - The present invention relates to blowing agent compositions comprising at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HCFOs of the present invention include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), particularly the trans-isomer, 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), dichloro-fluorinated propenes, and mixtures thereof. The blowing agent compositions of the present invention are used with coblowing agents including carbon dioxide, atmospheric gases, hydrofluorocarbons (HFC), hydrofluoroolefins (HFO), alkanes, hydrofluoroethers (HFE), and mixtures thereof. Preferred HFCs used as coblowing agents in the present invention include, but are not limited too, 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a), 1,1,1-trifluoroethane (HFC-143a), pentafluorethane (HFC-125), difluoromethane (HFC-32). The blowing agent compositions are useful in the production of low density insulating foams with improved k-factor. | 04-26-2012 |
| 20120097350 | ALKALINE PEROXIDE TREATMENT OF REJECTS IN AN INTERGRATED NEUTRAL-ALKALINE PAPER MILL - A processes producing mechanical pulps utilizing refiners for improving the quality of screen rejects, and most particularly to a mechanical pulp mill integrated with a neutral-alkaline papermaking process producing mechanical printing paper grades is disclosed. The rejects are treated with hydrogen peroxide, an alkali and an organic stabilizing agent just prior to or during refining to provide improved optical and physical properties of the refined rejects and more efficiently utilize electrical energy to reach target fiber quality after bleaching for cost-effectively producing a wide array of coated and uncoated mechanical printing papers. | 04-26-2012 |
| 20120078020 | PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS - In this invention we are disclosing a process for the synthesis of hydrocchlorofluoro olefins (HCFO) and/or hydrofluoroolefins (HFO). The process is based on the steps of fluorination of hydrochloropropenes or hydrochloropropanes to form hydrochlorofluoropropenes and/or hydrofluoropropenes, followed by gas phase, catalytic fluorination of the hydrochlorofluoropropenes to form hydrofluoropropenes. | 03-29-2012 |
| 20120073632 | WEATHERABLE POLYVINYLIDENE FLUORIDE COATED SUBSTRATES - The invention relates to architectural substrates coated with a polyvinylidene fluoride (PVDF) dispersion coating to produce a weatherable material. One specific use is as a PVDF coating on a frontsheet or backsheet of a photovoltaic module for capturing and using solar radiation. The polyvinylidene fluoride coating is exposed to the environment and provides chemical resistance, low water vapor transmission, electrical insulation, and UV light protection. | 03-29-2012 |
| 20120059202 | PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS - In this invention we are disclosing a process for the synthesis of hydrocchlorofluoro olefins (HCFO) and/or hydrofluoroolefins (HFO). The process is based on the gas phase, noncatalytic fluorination of hydrochlorofluoropropenes to form hydrofluoropropenes. | 03-08-2012 |
| 20120045603 | FOAMED POLYVINYLIDENE FLUORIDE STRUCTURE - The invention relates to a foamed fluoropolymer, preferably a polyvinylidene fluoride (PVDF) structure, such as from Kynar® resins. The foamed structure is continuous self-supporting, sized, and has a dense skin. The foamed structure is manufactured in a process using foaming agents and nucleating agents. The structure is sized into a specific shape during the manufacturing process—requiring a good melt viscosity of the PVDF foam. In one process, a master batch containing the nucleating agent is used. The foamed article could be a sheet, film, profile, tube, pipe, article, rod foam-core structure, or other self-supporting shape. Foamed tubes, pipes, rods, sheets and conduit are especially useful. The foamed structure of the invention provides added value by being lighter weight, more flexible, and more impact resistant than a comparable non-foamed PVDF structure. It also has increased hysteresis, increased insulation properties, reduced dielectric constant, and increased compressibility. | 02-23-2012 |
| 20120035323 | POLYOLEFIN/POLYLACTIC ACID BLENDS - The invention relates to blends of polyolefins and a biodegradable polymer, such as polylactic acid (PLA) and polyhydroxy butyrate, which are compatabilized by a functionalized olefin (meth)acrylic copolymer. Since PLA and polyolefins are not miscible, the use of the compatibilzer improves the compatibility, thereby improving the processability, and particularly the melt strength and melt elasticity. Useful compatibilizers include Lotader® and Lotryl® copolymers from Arkema, Inc. The blend composition may optionally contain one or more acrylic copolymers as impact modifiers or process aids. | 02-09-2012 |
| 20120028036 | ASSEMBLIES CONTAINING POLYETHERKETONEKETONE TIE LAYERS - Tie layers comprised of amorphous polyetherketoneketone are used to join substrates to form laminates and other assemblies. | 02-02-2012 |
| 20120027971 | ROTATIONAL MOLDED ARTICLE FORMED FROM HIGH MOLECULAR WEIGHT POLYAMIDES - The invention relates to an article formed by a rotational molding process, having at least one layer formed from a high molecular weight polyamide. The high molecular weight polyamide is one having a molecular weight in the range of 20,000 to 35,000 and also having an inherent viscosity of 1.05-1.60 dL/g. Rotomolded articles having a high molecular weight polyamide layer have better low-temperature impact performance compared to articles formed from lower molecular weight polyamides. | 02-02-2012 |
| 20120024412 | ARTICULATED PIPING FOR FLUID TRANSPORT APPLICATIONS - An articulated pipeline assembly for the transport of fluids including a fluid conduit for transporting fluid and an articulating shell assembly that is positioned to encapsulate the fluid conduit. The articulating shell assembly includes a plurality of articulating shell segments, each articulating shell segment comprising both a ball and a socket, wherein the ball of each articulating shell segment is engaged with a socket of an adjacent articulating shell segment to form a ball and socket joint. Each articulating shell segment is configured to rotate with respect to an adjacent articulating shell segment by virtue of the ball and socket joint. | 02-02-2012 |
| 20120015577 | POLYETHERKETONEKETONE NONWOVEN MATS - The invention provides nonwoven mats comprising polyetherketoneketone fibers or mixtures thereof. Also provided are filters, textiles, blankets, and insulation prepared from polyetherketoneketone nonwoven mats, as well as methods for manufacturing the same. | 01-19-2012 |
| 20120015246 | WATERBORNE FLUOROPOLYMER COMPOSITION - This invention relates to a waterborne fluoropolymer composition useful for the fabrication of Li-Ion-Battery (LIE) electrodes. The fluoropolymer composition contains an organic carbonate compound, which is more environmentally friendly than other fugitive adhesion promoters currently used in waterborne fluoropolymer binders. An especially useful organic carbonate compound is ethylene carbonate (EC) and vinylene carbonate (VC), which are solids at room temperature, and other carbonates which are liquid at room temperature such as propylene carbonate, methyl carbonate and ethyl carbonate. The composition of the invention is low cost, environmentally friendly, safer, and has enhanced performance compared to current compositions. | 01-19-2012 |
| 20120007016 | AZEOTROPE-LIKE COMPOSITION OF 1,1,1,2,2,3,3-HEPTAFLUORO-3-METHOXYPROPANE AND 1-CHLORO-3,3,3-TRIFLUOROPROPENE - Provided are azeotrope-like compositions comprising 1,1,1,2,2,3,3-heptafluoro-3-methoxy propane and E-1-chloro-3,3,3-trifluoropropene (K-1233zd) and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, solvent, and aerosol propellants. | 01-12-2012 |
| 20110309288 | AZEOTROPE AND AZEOTROPE-LIKE COMPOSITIONS OF E-1-CHLORO-3,3,3-TRIFLUOROPROPENE AND ISOPROPANOL - Provided are azeotrope or azeotrope-like compositions comprised of E-1-chloro-3,3,3-trifluoropropene (HCFO-E-1233zd) and isopropanol, and uses thereof. | 12-22-2011 |
| 20110309287 | TRANS-1,2-DICHLOROETHYLENE WITH FLASH POINT ELEVATED BY 1-CHLORO-3,3,3-TRIFLUOROPROPENE - A trans-1,2-dichloroethylene blend which comprises a combination of a major amount of trans-1,2-dichloroethylene and a minor amount of a hydrohaloolefin having an elevated flash point is disclosed The combination exhibits a flash point significantly higher than trans-1,2-dichloroethylene alone The preferred hydrohaloolefin is 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) The subject blends find application as heat transfer agents, propellents and sprayable compositions, blowing agents, solvents and cleaning agents. | 12-22-2011 |
| 20110301298 | ACID FUNCTIONALIZED GRADIENT BLOCK COPOLYMERS - The present invention relates to a class of acid functionalized gradient block copolymers, processes for obtaining them and to their uses including but not limited to hair fixatives, toughening agents, and adhesives. Surprisingly, the applicants have discovered the aforementioned class of acid functionalized gradient block copolymers have advantageous properties and can find utility in a wide variety of application areas. These polymers are easily prepared by sequential monomer addition (i.e., “one-pot” synthesis) and the process does not require any post polymerization modification steps. The aforementioned polymers are derived from commonly utilized monomers. The use of common monomers provides both an economic advantage and an inherent safety advantage, e.g., the common monomers are considered biocompatible. | 12-08-2011 |
| 20110294943 | FIBERS SIZED WITH POLYETHERKETONEKETONES - Fibers sized with a coating of amorphous polyetherketoneketone are useful in the preparation of reinforced polymers having improved properties, wherein the amorphous polyetherketoneketone can improve the compatibility of the fibers with the polymeric matrix. | 12-01-2011 |
| 20110291045 | THIXOTROPIC ANHYDROUS SHEAR THINNING PEROXIDE DISPERSIONS - Provided are dispersions which comprise more than about up to 55 percent by weight or more of an organic peroxide which is normally solid in an anhydrous liquid phase such as dibutyl maleate or dioctyl adipate, with about 5% by weight or more fumed silica to provide a thixotropic, storage stable organic peroxide paste. Addition of about 5 weight % or more of fumed silica was found to result in the formation of a shear thinning anhydrous dispersion of organic peroxide which was storage stable. | 12-01-2011 |
| 20110288192 | TETRAFLUOROPROPENE BASED BLOWING AGENT COMPOSITIONS - The present invention relates to blowing agent compositions comprising tetrafluoropropene (HFO) and at least one co-blowing agent selected from carbon dioxide, water, alkanes and an alcohol used in the preparation of foamable thermoplastic compositions having low density. The HFOs include, but are not limited too, cis- and/or trans-1,3,3,3-tetrafluoropropene (HFO-1234ze), 2,3,3,3-tetrafluoropropene (HFO 1234yf), or mixtures thereof. The blowing agent compositions are useful in the production of low density insulating foams with improved R value. | 11-24-2011 |
| 20110287255 | HIGH PERFORMANCE FIBERS - Heat-resistant, high strength fibers useful in a wide range of end-use applications are prepared using a polymeric composition containing polyetherketoneketone and mineral nanotubes. | 11-24-2011 |
| 20110287225 | HIGH PERFORMANCE CONNECTORS - High performance connectors, such as electrical connectors intended for use in circuit boards that are to be subjected to reflow soldering or rework or fiber optic connectors to be employed in harsh operating conditions, are manufactured using polymeric compositions containing polyetherketoneketone and mineral nanotubes. These polymeric compositions provide connectors having exceptional dimensional stability at high temperatures and facilitate the precise and high quality molding of connectors with thin or finely detailed features. | 11-24-2011 |
| 20110278193 | POLYVINYLIDENE BARRIER LAYER FOR CONTAINER INTERIORS - The invention relates to containers having a thin layer of polyvinylidene fluoride polymer or copolymer on its inner and/or outer surface. The polyvinylidene fluoride layer acts as a barrier layer in reducing or preventing the migration of chemicals from thermoplastic or thermoset polymeric containers into the contents of the container. This is especially applicable for containers in the food, biotech and pharmaceutical industries, as well as for toxic or corrosive materials. | 11-17-2011 |
| 20110251329 | METHOD FOR PREPARING pH-INSENSITIVE SURFACTANT FREE POLYMER PARTICLE DISPERSION IN AQUEOUS MEDIUM - The invention provides a polymer particle dispersion in an aqueous medium and a method of making the same, which comprises an emulsion polymerized polymer and a macroinitiator covalently bonded to the emulsion polymerized polymer. The living macroinitiator comprises a hydrophilic, pH-insensitive monomer in reacted form. The polymer particle dispersion may be obtained by reacting at least one monomer with the living macroinitiator and without a surfactant to effect polymerization of the monomer(s). The emulsion polymerized polymer may be comprised of at least one additional ethylenically unsaturated monomer in polymerized form. | 10-13-2011 |
| 20110250373 | POLYMERIZATION CONTROLLERS FOR ORGANIC PEROXIDE INITIATOR CURED COMPOSITES - The use of nitroxides to control free radical cured resin systems used in the production of thermosetting materials such as in vacuum infusion, resin transfer molding and cured in place piping systems is disclosed. The invention could also be employed in other resin systems where control of kinetics would be desirable such as in adhesive formulations, in solid surface composites, and certain types of polyester casting resins. | 10-13-2011 |
| 20110224356 | LOW SURFACE ENERGY BLOCK CO-POLYMER PREPARATION METHODS AND APPLICATIONS - Methods for the preparation of low surface energy block co-polymers are disclosed. The block co-polymers comprise at least two blocks, each of which comprises, in polymerized form, an acrylic monomer, a methacrylic monomer, or a mixture thereof. At least one block is a low surface energy block, which comprises, in polymerized form, a low surface energy monomer. Low surface energy macroinitiators useful in forming the block co-polymers are also disclosed. The block co-polymers may be prepared by nitroxide mediated controlled free radical polymerization. | 09-15-2011 |
| 20110218370 | PROCESS FOR THE MANUFACTURE OF HYDROCHLOROFLUOROOLEFINS - The present invention provides a process for the manufacture of trans 1-chloro-3,3,3-trifluoropropene (E- | 09-08-2011 |
| 20110218369 | PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS - The invention relates to a process for manufacturing 1,1,1,2-tetrafluoropropene (1234yf, CF | 09-08-2011 |
| 20110207841 | WATER FLUX POLYMER MEMBRANES - The invention relates to a polymer membrane composition having improved water flux and stable pore size. The water flux is improved by increasing the hydrophilicity of the membrane using a matrix polymer blended with controlled architecture amphiphilic block copolymers. Preferred membranes are those having a fluoropolymer matrix and acrylic amphiphilic block copolymers. The addition of the amphiphilic block copolymers are especially useful in microfiltration and ultra filtration membranes when used in water filtration. | 08-25-2011 |
| 20110201842 | METHOD FOR RECOVERING CARBOXYLIC ACIDS FROM DILUTE AQUEOUS STREAMS - Improvement in separating lower carboxylic acids from aqueous streams via liquid-liquid extraction with pressurized liquefied propylene and/or propane, wherein carboxylic acid is transferred from the aqueous phase into the liquid solvent phase (extract). | 08-18-2011 |
| 20110198227 | HIGH PURITY ELECTROLYTIC SULFONIC ACID SOLUTIONS - Disclosed is a solution for an electrochemical process, the solution containing a sulfonic acid and having a low concentration of sulfur compounds, either low or high valence, that are susceptible to reduction and which is intended for use in electrodeposition, batteries, conductive polymers and descaling processes. | 08-18-2011 |
| 20110172462 | CONTROL OF A PROCESS FOR THE PURIFICATION OF (METH)ACRYLIC ACID USING ON-LINE, NEAR IR ANALYSIS - An improved process for the manufacture of technical grade (meth)acrylic acid, e.g., acrylic acid, the process comprising producing a hydrated reaction product from the gas-phase oxidation of at least one (meth)acrylic acid precursor, e.g., propylene, followed by first dehydrating and then concentrating the reaction product, the improvement comprising controlling at least one of the water, acetic acid and (meth)acrylic acid content of the reaction product during the purification of the reaction product using on-line, near IR spectroscopy. | 07-14-2011 |
| 20110172320 | POLY VINYL CHLORIDE FOAM PROMOTERS - The density of rigid foamed articles made by the thermal decomposition of a blowing agent in a vinyl chloride polymer is reduced by the use of a tin based blowing agent activator(s). The tin based activator also reduces the activation temperature of a chemical blowing agent, allowing for more optimal evolution of gas during plastic processing. Dibutyl tin oxide or tin maleates are superior activators of vinyl chloride polymer blowing agents. | 07-14-2011 |
| 20110160338 | FUNCTIONALIZED BIMODAL IMPACT MODIFIERS - The invention relates to functionalized bimodal butadiene-methylmethacrylate impact modifiers. The impact modifiers are especially useful in blends of engineering resins, particularly where the blend contains both functional and non-functional resins. Polycarbonate (PC)/polyethylene terephthalate (PET) blends using the functionalized bimodal butadiene-methylmethacrylate impact modifiers of the invention have excellent low temperature impact performance. | 06-30-2011 |
| 20110147654 | METALLOCARBENE COMPLEX PEROXIDE ACTIVATORS - A bleaching composition comprising a peroxy compound and one or more activator present in an effective amount to activate the peroxy compound, present in an amount effective to accomplish bleaching or cleaning or oxidation. The activator is a metallocarbene of the general structure (XX′C)yMLn′ where M represents a metal center, C represents the carbene carbon bound to the metal center, X and X′ may be the same or different and may furthermore be part of a cyclic structure, Ln′ represents one or more other ligands which may or may not include one or more metal centers, and where y>1. | 06-23-2011 |
| 20110147307 | METHOD FOR RECOVERING CARBOXYLIC ACIDS FROM DILUTE AQUEOUS STREAMS - Improvement in separating lower, C2 saturated and/or C3, and/or C4, saturated and/or unsaturated mono carboxylic acids from aqueous streams via extraction by using as the extractant an organic acid or ester or mixtures thereof with a melting point below 10° C., a normal boiling point between 190 and 280° C. and a Hildebrand solubility parameter between 8 and 11 cal | 06-23-2011 |
| 20110136706 | ORGANOSULFONYL LATENT ACIDS FOR PETROLEUM WELL ACIDIZING - Oil wells are treated with latent acids containing a sulfonyl moiety, wherein the latent acid is capable of providing an active acid after injection into an oil well. The latent acids are converted to active acids such as mineral acids or strong organic acids in the oil well, with resultant dissolution of acid-soluble minerals that impede oil or gas flow. Exemplary latent acids are according to any of formulas (I), (II), and (III) | 06-09-2011 |
| 20110130599 | CATALYTIC GAS PHASE FLUORINATION OF 1230XA TO 1234YF - A one reactor, gas phase catalyzed process for the fluorination of 1,1,2,3-tetrachloropropene (1230xa) to produce 1,1,1,2-tetrafluoropropene (1234yf) is disclosed. The process of the present invention is a catalytic, gas phase fluorination using a high pressure activated catalyst which is supported or unsupported. Fluorination products of the formula CF3R, where R is selected from —CCl=CH2, —CF=CH2, —CF2—CH3, —CFCl—CH3 and mixtures thereof are produced. Co-produced materials are separated from the desired product and recycled to the same reactor. | 06-02-2011 |
| 20110118403 | FLUOROPOLYMER AQUEOUS HYBRID COMPOSITIONS WITH IMPROVED FILM FORMATION - The invention relates to aqueous fluoropolymer hybrid compositions made by a seeded emulsion polymerization process, having improved film formation properties. The seed is a fluoropolymer dispersion. At least two different monomer compositions are added sequentially to the seeded dispersion. These monomer compositions preferably include acrylic monomers. The first monomer composition is selected for miscibility with the fluoropolymer dispersion. The second monomer composition is selected to have a glass transition temperature (Tg) of less than 30° C. The final composition can be formulated to make coatings with a minimum film forming temperature (MFFT) of less than 5° C., and a maximum VOC of 50 g/liter. The composition is especially useful for coatings and films. | 05-19-2011 |
| 20110112253 | AMPHIPHILIC BLOCK COPOLYMER FORMULATIONS - The invention relates to an amphiphilic block copolymer having an increased speed of water adsorption. The non-water soluble copolymer, having a hydrophilic middle block and hydrophobic endblocks, has a high rate water transmission and/or permeation. The increase in rate is due to neutralization, or partial neutralization of the hydrophilic block of the copolymer. Furthermore, the absorption rate can be controlled by the extent of the neutralization. Another aspect of the invention is the use of co-monomers and/or additives to further increase or tailor the water absorption properties. The use of additives and comonomers is also shown to enhance the processability of the disclosed polymer composition. | 05-12-2011 |
| 20110111156 | NOVEL VINYLIDENE FLUORIDE COPOLYMERS - The invention relates to a copolymer composition of poly(vinylidene fluoride-trifluoropropene) copolymers. The copolymers formed have excellent optical properties, with very low haze, as well as high melting points, excellent flexibility and toughness. | 05-12-2011 |
| 20110097529 | VINYLIDENE FLUORIDE / 2,3,3,3-TETRAFLUOROPROPENE COPOLYMERS - This invention relates to copolymer compositions of poly(vinylidene fluoride-2,3,3,3-tetrafluoropropene) copolymers. The copolymers formed have excellent optical properties, corrosion resistance and electrical properties, with very low haze. Tetrafluoropropene monomer units may be present at from 0.5 to 60 weight percent of the copolymer. | 04-28-2011 |
| 20110097503 | ALKALINE COATING COMPOSITION FOR AUTODEPOSITION - Embodiments of the present disclosure include processes for autodepositing a coating on a metal surface, a method of producing a coating on a non-stainless steel metal substrate surface, and an alkaline coating composition, where the process for autodepositing a coating on a metal substrate surface includes immersing at least a portion of the metal substrate surface in a coating composition that includes a latex and an amount of base sufficient to raise the pH of the composition to an alkaline pH, where the coating autodeposits on the metal substrate surface, as metal ions from the metal substrate surface interact with the alkaline coating composition. | 04-28-2011 |
| 20110086959 | SHEAR THINNING PEROXIDE DISPERSIONS - Provided are dispersions which comprise more than about (40) percent by weight of an organic peroxide which is normally solid, an effective dispersing amount of a pharmaceutically acceptable dispersing agent and water. The water and about (40) percent or more peroxide forms a paste. Addition of the dispersing agent/surfactant to a non-flowing organic paste resulted in the formation of a shear thinning aqueous dispersion. The aqueous dispersions can also contain optional components such as thickening agents and anionic emulsifiers. | 04-14-2011 |
| 20110082224 | BIODEGRADABLE IMPACT-MODIFIED POLYMER COMPOSITIONS - The invention relates to a impact-modified bio-degradable polymer composition having large particle size impact modifiers dispersed in a continuous biodegradable polymer phase. The impact modifiers have a core-shell morphology and have average sizes of greater than 250 nm. The impact-modified composition has good impact properties and low haze. The biodegradable polymer is preferably a polylactide or polyhydroxy butyrate. The composition comprises 30-99.9 weight percent of degradable polymer and 0.1 to 15 weight percent of one or more impact modifiers. | 04-07-2011 |
| 20110041529 | COMPOSITIONS OF HYDROCHLOROFLUOROOLEFINS - The present invention relates to solvent/cleaner and heat transfer fluid compositions comprising at least one hydrochlorofluoroolefin (HCFO), 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), particularly the trans-isomer. The HCFO of the present invention can be used in combination with co-agents including, hydrofluorocarbons (HFCs), hydrofluoroolefins (HFOs), hydrocarbons, ethers including hydrofluoroethers (HFEs), esters, ketones, alcohols, 1,2-transdichloroethylene and mixtures thereof. | 02-24-2011 |
| 20110034632 | POLYMERIZATION OF FLUOROPOLYMERS USING POLYCAPROLACTONE - The present invention relates to a method for the polymerization of fluoromonomers using non-fluorinated polycaprolactone, and to the fluoropolymers formed thereby. Specifically, the method of the polymerization uses one or more polycaprolactone, or salts thereof. | 02-10-2011 |
| 20110034612 | FUNCTIONAL MBS IMPACT MODIFIERS FOR USE IN ENGINEERING RESINS - The invention relates to a methylmethacrylate-butadiene-styrene (MBS) core/shell polymer impact modifier containing functionalization in the shell. The functionalized MBS is useful as an impact modifier in engineering resins, and especially in blends of engineering resins, particularly where the blend contains both functional and non-functional resins. One specific engineering resin blend having excellent low temperature impact performance is a polycarbonate (PC)/polyethylene terephthalate (PET) blend with the functional MBS of the present invention. | 02-10-2011 |
| 20110017661 | CAUSTIC RESISTANT MEMBRANE - The invention relates to caustic resistant membranes formed by solvent casting a blend of one or more polyvinylidene fluoride polymers with one or more acrylic polymers. | 01-27-2011 |
| 20110009678 | COMPOSITIONS CONTAINING A COMBINATION OF Z AND E STEREOISOMERS OF HYDROFLUOROOLEFINS - Disclosed are the combinations containing Z and E stereoisomers of hydrofluoroolefins where the more toxic isomer is less than about 30% weight of the combination (vs the sum of Z+E), to minimize the toxicity impact in the applications they will be used for such as cooling and heat fluids, foams blowing agents or solvents. Also disclosed are means to obtain combinations containing Z and E stereoisomers of hydrofluoroolefins. | 01-13-2011 |
| 20110001080 | STABLE FORMULATED SYSTEMS WITH CHLORO-3,3,3-TRIFLUOROPROPENE - The present invention relates to formulated systems of 1-chloro-3,3,3-trifluoropropene (R-1233zd) and/or 2-chloro-3,3,3-trifluoropropene (R-1233xf) that are sufficiently thermally and chemically stable such that they can be effectively used sans additional stabilizers. The formulations of the present invention are particularly useful compositions for refrigeration, heat transfer, and foam pre-mixes. | 01-06-2011 |
| 20100330286 | AQUEOUS EMULSION POLYMER FOR SCRUB RESISTANCE AND WET ADHESION - An aqueous emulsion polymer and a method for preparing the aqueous emulsion polymer, where the aqueous emulsion polymer is useful in an aqueous coating composition to provide good scrub resistance while maintaining wet adhesion of the aqueous coating composition. | 12-30-2010 |
| 20100326517 | HIGH EFFICIENCY PHOTOVOLTAIC MODULES - The invention relates to high efficiency solar collection devices having a matte surface, a low refractive index surface, or both, that increases solar radiation transmission into the device. The matte surface is on a thermoplastic and may be provided in many ways, such as by a matting agent, by the use of a matte chill roll, embossing, or other techniques. The matte and/or low refractive index surface may be a coating, film (single or multi-layer) or sheet (single or multi-layer). The invention is especially useful in both rigid and flexible photovoltaic modules. | 12-30-2010 |
| 20100326095 | USE OF R-1233 IN LIQUID CHILLERS - This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11. | 12-30-2010 |
| 20100304270 | AQUEOUS POLYVINYLIDENE FLUORIDE COMPOSITION - The invention relates to an aqueous fluoropolymer, and preferably polyvinylidene fluoride (PVDF), composition for manufacturing electrodes for use in non-aqueous-type electrochemical devices, such as batteries and electric double layer capacitors. The composition contains aqueous PVDF binder, and one or more powdery electrode-forming materials. In one embodiment, the composition is free of fluorinated surfactant In another embodiment, one or more fugitive adhesion promoters are added. The electrode formed from the composition of the invention exhibits interconnectivity and irreversibility that is achieved from the use of aqueous PVDF binder. | 12-02-2010 |
| 20100273958 | ACRYLIC-BASED RUBBER MODIFIED THERMOSET COMPOSITION - The invention relates to a liquid rubber acrylic block copolymer, and its use in modifying a thermoset composition. The liquid rubber acrylic block copolymer adds toughness and flexibility to a thermoset composition. The acrylic block copolymers are especially useful for modifying epoxy compositions. | 10-28-2010 |
| 20100258162 | PHOTOVOLTAIC MODULE USING PVDF BASED FLEXIBLE GLAZING FILM - The invention relates to flexible photovoltaic (PV) modules, and in particular to those having a polyvinylidene fluoride (PVDF) glazing layer. The PVDF layer may be a monolayer or a multi-layer structure. | 10-14-2010 |
| 20100249012 | HARD SURFACE CLEANER CONTAINING POLYFUNCTIONAL SULFONIC ACID - The invention is directed toward improved aqueous hard surface cleaning compositions which include one or more polyfunctional sulfonic acids. The inclusion of one or more polysulfonic acids in a hard surface composition provides for improved removal of insoluble salt deposits resulting from hard water. | 09-30-2010 |
| 20100234642 | NAPHTHENIC HYDROCARBON ADDITIVES FOR DIARYL PHOSPHIDE SALT FORMATION - The invention relates to the use of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene and its alkyl, aryl, or heteroatom substituted analogs, that act as catalysts in the presence of an alkali metal (Li, K, Na) for the reduction of electron-deficient and electron-rich triaryl phosphines to their corresponding alkali metal diaryl phosphide salts. The process is also useful for the catalysis of triaryl phosphine chalcogen adducts such as the sulfides, oxides, and selenides, diaryl(halo)phosphines, triaryl phosphine-borane adducts, and tetra-aryl bis(phosphines) that can also be reduced to their corresponding alkali metal diaryl phosphide salts. The invention also relates to small molecule PAHs and polymer tethered PAHs naphthenics. | 09-16-2010 |
| 20100233461 | HIGH SOLAR REFLECTIVITY, COLORED MULTI-LAYERED COMPOSITION - The invention relates to a colored, multi-layered composition having a high level of Total Solar Reflectance (TSR). The composition includes a thin top, weatherable layer having a minimal amount of colored pigment suitable for optical hiding. In one embodiment a pigmented topcoat having less than 12 percent colored (non-white) pigment in a KYNAR AQUATEC emulsion (Arkema Inc.) is placed over a white elastomeric acrylic primer on a substrate to produce a colored multiplayer composition with a TSR of greater than 70%. | 09-16-2010 |
| 20100215948 | RUBBERY-BLOCK CONTAINING POLYMERS, FIBER SIZINGS THEREOF AND COMPOSITES THEREOF - The present invention relates generally to sizing compositions for fibers used in composite materials. More specifically, this invention relates to siloxane fiber sizing solutions comprising rubbery-polymers and their use in preparing composite materials. Using the sizings of the present invention not only improves the energy absorption of the composite materials made thereof, but also maintains the interfacial strength of composite materials. Particularly, the rubbery-polymers of the present invention are functionalized with chemical groups that react to the fiber surface and/or to the polymeric resin. In addition, because the rubbery-polymer is incorporated as one block of a block copolymer, it advantageously improves both, the interfacial strength and energy absorption. | 08-26-2010 |
| 20100210781 | PROCESS AND PERFORMANCE AID FOR CARBON NANOTUBES - A polymer composition which includes carbon nanotubes in a resin matrix such as cyclic butylene terephthalate where the resin matrix is compounded into a polymer matrix. The carbon nanotube resin matrix is compatible in a wide variety of polymer matrixes having many end uses. The resin matrix provides good compatibility with many polymer systems, e.g., polyamides, polyesters, acrylics and is easy to use exhibiting a low melting point and low viscosity in melt and provides for a polymer matrix having good properties, including a higher electrical conductivity and/or increased mechanical properties. | 08-19-2010 |
| 20100203346 | TRANSPARENT OR TRANSLUCENT EXTRUDED POLYAMIDE - The invention relates to extruded transparent or translucent article that have been melt calendered to improve the physical properties and optical clarity. The polyamide article is a sheet, film, or profile. | 08-12-2010 |
| 20100197816 | HIGH TEMPERATURE STABLE POLYELECTROLYTES HAVING BACKBONE AROMATIC GROUPS - The invention relates to polyelectrolytes having backbone aromatic groups, and in particular to aromatic backbone group polyelectrolytes having high levels of sulfonation as well as cross-linking functionality. Preferably the polyelectrolyte back-bone is free of linear alkyl groups. | 08-05-2010 |
| 20100185030 | PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS - In this invention we are disclosing a process for the synthesis of hydrochlorofluoro olefins (HCFO) and/or hydrofluoroolefins (HFO). The process is based on the following steps of liquid phase, noncatalytic fluorination of hydrochloropropenes to form hydrochlorofluoropropenes and/or hydrofluoropropenes, followed by gas phase, catalytic fluorination of the hydrochlorofluoropropenes to form hydrofluoropropenes. | 07-22-2010 |
| 20100185029 | TWO STEP PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS - The present invention discloses a process for the synthesis of hydrofluoroolefins (HFO). The process is based on the following two steps: the liquid phase fluorination of a hydrochloropropane(s) to hydrofluoropropane(s) (HFP) followed by the dehydrofluorination of the hydrofluoropropane(s) (HFP) to hydrofluoroolefins (HFO). | 07-22-2010 |
| 20100181524 | STABILIZED HYDROCHLOROFLUOROOLEFINS AND HYDROFLUOROOLEFINS - Disclosed is a combination of hydrofluoroolefins and/or hydrochlorofluoroolefins with stabilizers wherein the stabilizers minimize the degradation of the hydrofluoroolefins and hydrochlorofluoroolefins during storage, handling and use yet allow for atmospheric degradation. The combinations exhibit low or zero ozone depletion potential and lower global warming potential making them of interest as replacements for chlorofluorocarbons and hydrfluorocarbons. The combinations of the present invention comprise hydrofluoroolefins and/or hydrochlorofluoroolefins in combination with a stabilizer or stabilizers selected from free radical scavengers, acid scavengers, oxygen scavengers, polymerization inhibitors and combinations thereof. | 07-22-2010 |
| 20100179237 | THERMOPLASTIC FOAM BLOWING AGENT COMBINATION - A blowing agent for thermoplastic foams such as extruded polystyrene foam is disclosed. The blowing agent is a blend of a low solubility blowing agent, such as 1,1,1,2-tetrafluoroethane, and a dichloroethylene such as trans-1,2-dichloroethylene. The blowing agent combination enhances processability of thermoplastic foam. | 07-15-2010 |
| 20100175742 | PHOTOVOLTAIC MODULES HAVING A POLYVINYLIDENE FLUORIDE BACKSHEET - The invention relates to a photovoltaic module for capturing and using solar radiation having as a backsheet a composition containing polyvinylidene fluoride. The polyvinylidene fluoride backsheet layer is exposed to the environment and provides chemical resistance, low water vapor transmission, electrical insulation, and UV light protection. | 07-15-2010 |
| 20100117035 | ELECTROCONDUCTIVE TIN OXIDE HAVING HIGH MOBILITY AND LOW ELECTRON CONCENTRATION - Tin oxide having high mobility and a low electron concentration, and methods for producing layers of the tin oxide layers on a substrate by atmospheric pressure chemical vapor deposition (APCVD) are disclosed. The tin oxide may undoped polycrystalline n-type tin oxide or it may be doped polycrystalline p-type tin oxide. When the layer of tin oxide is formed on a crystalline substrate, substantially crystalline tin oxide is formed. Dopant precursors for producing doped p-type tin oxide are also disclosed. | 05-13-2010 |
| 20100113629 | HYDROFLUOROPROPENE BLOWING AGENTS FOR THERMOPLASTICS - The present invention relates to blowing agent compositions comprising at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HCFOs of the present invention include, but are not limited to, 1-chloro-3, 3,3-trifluoropropene (HCFO-1233zd), particularly the trans-isomer, 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), dichloro-fluorinated propenes, and mixtures thereof. The blowing agent compositions of the present invention are used with coblowing agents including carbon dioxide, atmospheric gases, hydrofluorocarbons (HFC), hydrofluoroolefins (HFO), alkanes, hydrofluoroethers (HFE), and mixtures thereof. Preferred HFCs used as coblowing agents in the present invention include, but are not limited to, 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a), 1,1,1-trifluoroethane (HFC-143a), pentafluorethane (HFC-125), difluoromethane (HFC-32). The blowing agent compositions are useful in the production of low density insulating foams with improved k-factor. | 05-06-2010 |
| 20100105789 | BLOWING AGENT COMPOSITIONS OF HYDROFLUOROOLEFINS AND HYDROCHLOROFLUOROOLEFINS - The present invention relates to blowing agent compositions comprising (1) at least one hydrofluoroolefin (HFO) and (2) at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HFOs of component (1) include, but are not limited too, 3,3,3-trifluoropropene (HFO-1243zf), 1,2,3,3,3-pentafluoropropene (HFO-1225ye), cis- and/or trans-1,3,3,3-tetrafluoropropene (HFO-1234ze), and 2,3,3,3-tetrafluoropropene (HFO 1234yf), and mixtures thereof. The HCFOs of component (2) include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and mixtures thereof. The blowing agent compositions are useful in the production of low density insulating foams with improved k-factor. | 04-29-2010 |
| 20100105788 | BLOWING AGENT COMPOSITION OF HYDROCHLOROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (HCFO) HFCO-1233zd alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 04-29-2010 |
| 20100087557 | BLOWING AGENT COMPOSITION OF HYDROFLUOROPROPENE AND HYDROCHLOROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is the hydrofluoropropene HFO-1243zf in combination with a hydrochlorofluoroolefin (HCFO) selected from HCFO-1233zd, HCFO-1233xf and HCFO-1223. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 04-08-2010 |
| 20100076100 | BLOWING AGENT COMPOSITION OF HYDROCHLOROFLUOROOLEFIN AND HYDROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (HCFO), preferably HFCO-1234yf in combination with a hydrochlorofluoroolefin (HCFO) preferably one selected from HCFO-1233zd, HCFO-1223, HCFO-1233xf and mixtures thereof. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 03-25-2010 |
| 20100062669 | MULTI-COMPONENT FIBERS CONTAINING HIGH CHAIN-LENGTH POLYAMIDES - This invention relates to multi-component fibers made of at least 40 weight percent, and preferably over 50 weight percent of one or more high chain length polyamides. The fibers have both a high tear strength and good tensile strength. The fibers can be used to produce woven and non-woven articles having excellent toughness. | 03-11-2010 |
| 20100056657 | BLOWING AGENT COMPOSITION OF HYDROCHLOROFLUOROOLEFIN AND HYDROFLUOROOLEFIN - A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (HCFO), preferably HFCO-1234ze in combination with a hydrochlorofluoroolefin (HCFO) preferably one selected from HCFO-1233zd, HCFO-1223, HCFO-1233xf and mixtures thereof. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams. | 03-04-2010 |
| 20100055198 | HARD SURFACE CLEANING AND DISINFECTING COMPOSITION - A neutral pH aqueous ready-to-use cleaning and disinfectant compositions include hydrogen peroxide as an active disinfecting constituent including a C1-C6 monohydric alcohol, and a surfactant or surfactant mixture. Methods of cleaning and disinfecting surfaces are also disclosed. | 03-04-2010 |
| 20100029835 | CARBOXYLIC ACID/ANHYDRIDE COPOLYMER NANOSCALE PROCESS AIDS - The present invention relates to copolymer process aids having a carboxylic anhydride or acid functionality and a hydrophobic functionality. The copolymer process aid can be used in the exfoliation of a nanoclay, where it can be made in situ; and can also serve as a compatibilizer for exfoliated nanoclays with a polymer matrix, including with impact modified polymer matrices. | 02-04-2010 |
| 20100010172 | IMPACT MODIFIER COMPOSITION FOR TRANSPARENT THERMOPLASTICS - The present invention relates to a toughened transparent thermoplastic composite of a transparent thermoplastic and a block copolymer having a block of a random copolymer and an elastomeric block. One preferred embodiment is a polycarbonate that is modified with a block copolymer having a methyl methacrylate (MMA) and naphthyl methacrylate or a substituted naphthyl methacrylate block and an elastomeric block. This block copolymer has excellent miscibility with polycarbonate resin, even at elevated temperature, producing transparent polycarbonate blends. The blend can provide a toughened strength polycarbonate while maintaining its excellent optical properties. | 01-14-2010 |
| 20100004375 | IMPACT MODIFIED POLYPHENYLENE SULFIDE - The invention relates to a process for improving the impact resistance of polyphenylene sulfide (PPS) using a functional polyolefin and an elastomer, in which the functional polyolefin and elastomer are pre-compounded prior to combination with the PPS. The pre-compounding of the PPS additives prior to addition of the additives to the PPS provides a composition having vastly improved impact and strain at break properties. Especially useful functional polyolefins are LOTADER resins (Arkema Inc.) and especially useful elastomers are PEBAX resins (Arkema Inc.). | 01-07-2010 |
| 20100003486 | BREATHABLE, DEET-RESISTANT POLYETHER BLOCK POLYAMIDE - The invention relates to a polyether block amide film, having both resistance to N,N-diethyl-3-methylbenzamide (DEET) insecticide according to MTL-DTL-31011B along with a high level of breathability (>700 g/m | 01-07-2010 |
| 20090283451 | COMPOSITIONS TO MITIGATE COKE FORMATION IN STEAM CRACKING OF HYDROCARBONS - The invention relates to a combination of compounds and a process using such combination useful for reducing or preventing coke formation in thermal cracking furnaces such as ethylene steam crackers. The combination is comprised of one or more compound of the formula R—S | 11-19-2009 |
| 20090270559 | ACID FUNCTIONALIZED GRADIENT BLOCK COPOLYMERS - The present invention relates to a class of acid functionalized gradient block copolymers, processes for obtaining them and to their uses including but not limited to hair fixatives, toughening agents, and adhesives. Surprisingly, the applicant has discovered the aforementioned class of acid functionalized gradient block copolymers have advantageous properties and can find utility in a wide variety of application areas. These polymers are easily prepared by sequential monomer addition (i.e., “one-pot” synthesis) and the process does not require any post polymerization modification steps. The aforementioned polymers are derived from commonly utilized monomers. The use of common monomers provides both an economic advantage and an inherent safety advantage, e.g., the common monomers are considered biocompatible. | 10-29-2009 |
| 20090224421 | PROCESS FOR FORMING MULTI-LAYER MOLDED ARTICLES - The invention relates to a rotomolding process for forming a multi-layer article of two different polymers with different melting points in which an outer layer polymer powder is added to a rotational molder along with an inner layer polymer powder that is separated from the outer layer powder by a release film. The release film has a particular melting point that is greater than that of the outer layer polymer and preferably between the melting points of the inside layer and outside layer polymers. In one embodiment, the release layer forms an enclosure or bag in which the inner layer (higher melting point) powder is enclosed. In another embodiment the release film forms a barrier between an insulated cavity and the mold. The process provides a means for a “one-shot” rotomolding method. | 09-10-2009 |
| 20090221776 | POLYMERIZATION OF FLUOROPOLYMERS USING NON-FLUORINATED SURFACTANTS - The present invention relates to a method for the polymerization in an aqueous medium of monomers, and especially of fluoromonomers, using non-fluorinated surfactants; and the fluoropolymers formed therefrom. Specifically, the method of the polymerization uses one or more non-fluorinated surfactants selected from the group consisting of polyvinylphosphonic acid, polyacrylic acids, polyvinyl sulfonic acid, and salts thereof. Additionally, the use of polyvinylphosphonic acid, polyacrylic acids, polyvinyl sulfonic acid as surfactants in aqueous free radical polymerization is also novel. | 09-03-2009 |
| 20090208657 | SCRATCH MASKING COATING FOR GLASS CONTAINERS - The present invention provides a scratch masking coating system for glass containers such as bottles that is adaptable to a variety of bottle surface and application conditions. The scratch masking coating is applied as an oil in water emulsion which provides flexibility in handling and application techniques while minimizing handling problems. In the present invention, the oil in water emulsion is treated with an emulsion breaker or destabilizer so that the emulsion is destabilized or broken after application to the surface to be treated. The destabilization or breaking is instigated by the addition of an emulsion breaker or heat to the emulsion in sufficient quantity to provide the desired break time. | 08-20-2009 |
| 20090203864 | ULTRA-HIGH MOLECULAR WEIGHT POLY(VINYLIDENE FLUORIDE) - The invention relates to a polyvinylidene fluoride polymer having an ultra-high molecular weight, and unexpected physical properties. The ultra-high molecular weight polymer is clear, has a lower melting point, reduced crystallinity, excellent impact resistance, and a high elongation at the yield point. The ultra-high molecular weight polyvinylidene fluoride can be alone, or blended with other polymers, in final applications and articles. | 08-13-2009 |
| 20090202759 | FLEXIBLE MULTILAYER VINYLIDENE FLUORIDE TUBES - The invention relates to a tough, flexible multi-layer tube or other structure having a vinylidene fluoride contact layer. Such a tube is especially useful for high-purity contact applications, and contact where chemical resistance is needed. The vinylidene fluoride layer is melt-processible and may be a homopolymer, copolymer or terpolymer. | 08-13-2009 |
| 20090176939 | SEEDED GROW-OUT RUBBER POLYMERIZATION PROCESS - The invention relates to a high productivity process for the production of rubber latex particles. This improved productivity process involves using a seeded grow-out process to prepare polybutadiene rubber latex. The use of a pre-formed seed latex reduces cycle time relative to an in situ polybutadiene seed process. It also provides better particle size control. The rubber latex particles can be used for impact modification of thermoplastic compositions. | 07-09-2009 |
| 20090149600 | IMPACT MODIFIED THERMOPLASTIC RESIN COMPOSITION - This invention relates to a thermoplastic resin composition having excellent impact resistance and molded appearance. The thermoplastic resin is a polycarbonate, polyester-based resin or a blend of polycarbonate and a polyester-based resin containing up to 30 percent by weight of at least one core-shell impact modifier having little or no styrene in the core. | 06-11-2009 |
| 20090142537 | TRANSPARENT POLYCARBONATE BLEND - The invention relates to a transparent thermoplastic blend of polycarbonate (PC) and a copolymer of methyl methacrylate (MMA) and naphthyl methacrylate or a substituted naphthyl methacrylate. This copolymer has excellent miscibility with polycarbonate resin, even at elevated temperature, producing transparent polycarbonate blends. The blend provides an improved scratch resistance of polycarbonate while maintaining its excellent optical properties. | 06-04-2009 |
| 20090111915 | ACRYLIC COPOLYMER FOR USE IN HIGHLY FILLED COMPOSITES - The invention relates to an acrylic copolymer additive useful as a process aid in highly filled polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) composites. The acrylic additive is especially useful in highly filled PVC flooring tiles, rolled flooring, pipe and siding. The acrylic copolymer additive contains from 50 to 79 weight percent of methyl methacrylate monomer units, and has a Tg of less than 90° C. | 04-30-2009 |
| 20090068386 | ALLOY COMPOSITION USEFUL FOR FLUID TRANSPORT OBJECTS - The present invention relates to a novel polyamide alloy composition that is useful for forming objects that may be used for the storage and transport of fluids. The polyamide alloy is a blend of at least one polyamide and at least one modified polyolefin having both medium to hard and soft domains. The polyamide forms the continuous phase of the alloy. The alloy may also contain, and preferably does contain, a thermal and light stabilization compound, at least one unmodified polyolefin, and at least one plasticizer. The polyamide alloy composition is useful in forming tanks, hoses and tubes used in the transport of liquid or gaseous fluids, including fluids under pressure. | 03-12-2009 |
| 20090065737 | POLYMERIZATION CONTROLLERS FOR COMPOSITES CURED BY ORGANIC PEROXIDE INITIATORS - The use of nitroxides to control free radical cured resin systems used in the production of thermosetting materials such as bulk molded compositions, sheet molded compositions, and pultrusions is disclosed. The invention could also be employed in other resin systems where control of kinetics would be desirable such as in adhesive formulations, in solid surface composites, and certain types of polyester casting resins. | 03-12-2009 |
| 20090048383 | CLAYS PRE-ACTIVATED WITH INTERCALATED POLYMERIZATION INITIATION SITES - A modified clay may be made by contacting a clay with an unsaturated cationic compound and an alkoxyamine, or an adduct thereof. The resulting pre-activated clay, which contains a cationic alkoxyamine bound to the clay, may be further treated with a monomer to provide a polymer that is bound to the clay, thereby forming a nanocomposite material. The nanocomposite material may in turn be blended with another polymer prepared from the same or a different monomer. | 02-19-2009 |
| 20080312377 | Low Surface Energy Block Copolymer Preparation Methods and Applications - Methods for the preparation of low surface energy block co-polymers are disclosed. The block co-polymers comprise at least two blocks, each of which comprises, in polymerized form, an acrylic monomer, a methacrylic monomer, or a mixture thereof. At least one block is a low surface energy block, which comprises, in polymerized form, a low surface energy monomer Low surface energy macroinitiators useful in forming the block co-polymers are also disclosed. The block co-polymers may be prepared by nitroxide mediated controlled free radical polymerization. | 12-18-2008 |
| 20080281012 | Block Copolymer Foam Additives - The present invention provides an additive for thermoplastic polymer foams which provide for enlarged cell size or with decreased density with minimal impact on the thermal mechanical properties of the thermoplastic foam. The additive is an essentially block copolymer blowing agent compatibilizer. Including the additive in a thermoplastic foaming composition comprised of a thermoplastic polymer resin and a physical blowing agent provides for the production of foam having enlarged cell size or with decreased density and minimal impact on the thermal mechanical properties of the thermoplastic foam. The block copolymer compatibilizer has at least a first block having at least one functionality compatible with the thermoplastic resin and at least one second block having a functionality compatible with the blowing agent. | 11-13-2008 |
| 20080261050 | Multilayer Fluoropolymer Films - The invention relates to a multi-layer film having at least one fluoropolymer layer, useful for high-purity contact applications. Preferably the fluoropolymer layer(s) are polyvinylidene fluoride polymers and copolymers. | 10-23-2008 |
| 20080261019 | Pvc/Wood Composite - The present invention relates to a thermoplastic/natural cellulosic fiber composite, and more specifically to a high molecular weight compatibilizer within that composite resulting in both a high flex strength and high modulus and significant reduction in water absorption. The compatibilizer is preferably a terpolymer comprising: a) 0.5-20 percent by weight of monomer units selected from the group consisting of maleic anhydride, substituted maleic anhydride, mono-ester of maleic anhydride, itaconic anhydride, maleic acid, fumaric acid, crotonic acid, acrylic acid and methacrylic acid; b) 0 to 40 percent by weight of monomer units selected from styrene and functionalized styrene; and c) 40 to 98.5 percent by weight of monomer units selected from the group consisting of C | 10-23-2008 |
| 20080242833 | BLEND OF IONIC (CO)POLYMER RESINS AND MATRIX (CO)POLYMERS - The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-resistant (co)polymer, preferably a fluoropolymer. The polymeric resin blend is useful for forming films, and especially films useful for MEAs for use in fuel cells. | 10-02-2008 |
| 20080242819 | BLEND OF IONIC (CO)POLYMER RESINS AND MATRIX (CO)POLYMERS - The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-resistant (co)polymer, preferably a fluoropolymer. The polymeric resin blend is useful for forming films, and especially films useful for MEAs for use in fuel cells. | 10-02-2008 |
| 20080242805 | BLEND OF IONIC (CO)POLYMER RESINS AND MATRIX (CO)POLYMERS - The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-resistant (co)polymer, preferably a fluoropolymer. The polymeric resin blend is useful for forming films, and especially films useful for MEAs for use in fuel cells. | 10-02-2008 |
| 20080242791 | Methods of Producing Vinyl Aromatic Polymers Using (Meth)Acrylic Macroinitiators - The present invention relates to the use of poly acrylic and/or methacrylic macroinitiators in the free radical addition reaction of vinyl aromatic monomers to improve the properties of the resulting copolymer and/or composite. More particularly, the present invention relates to the production of poly acrylic and/or poly methacrylic macroinitiators having nitroxyl end groups. Using such macroinitiators in the free radical addition reaction of vinyl aromatics such as polystyrene compatibilizes the acrylic monomer in the vinyl aromatic matrix thereby improving the properties of the resulting polymer. | 10-02-2008 |
