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8952122 Modified polyamide, preparation method thereof and article obtained from said polyamide  
A polyamide modified by a compound including a sulfonate group, as well as a method for preparing the polyamide and to articles obtained from said modified polyamide are described. A modified...
8895677 Polyamide block copolymer, article including same, and display device including the article  
A polyamide block copolymer that includes a first segment including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination...
8772438 Preparation of polyamides  
A process for making a polyamide polymer, said process comprising heating, in one or more ionic liquid(s), one or more polyamide precursor(s) selected from: (i) one or more free dicarboxylic...
8642716 Branched polyamides comprising unsaturated ends  
The present invention relates to branched polyamides comprising unsaturated ends comprising: at least one unit originating from a multifunctional monomer (A) having more than two functional...
8592549 Polyamide composition, method, and article  
A method of forming a polyamide composition includes melt blending specific amounts of a poly(phenylene ether) masterbatch, a first polyamide, glass fibers, and a flame retardant that includes a...
8541539 Method for preparing a water-soluble polyamide  
A method for preparing a water-soluble polyamide, includes copolymerizing reactive monomers including caprolactam; ethylene glycol bis(2-aminoethyl)ether or ethylene glycol...
8501900 Nylon resins and process  
The disclosures herein relate to a polymer such as nylon 66, having low yellowness and excellent whiteness retention for applications in melt extrusion and injection molding where an increase in...
8349978 Block polymer and device  
The invention provides a block polymer capable of being used as a molecular wire facilitating injection of carriers between itself and an electrode, and a device in which electrodes are bridged by...
8323810 Proton-conducting membrane and use thereof  
The present invention relates to a novel proton-conducting polymer membrane based on polyazole block polymers which, owing to their outstanding chemical and thermal properties, can be used widely...
8268956 Transparent mold made of a polyamide molding material  
The invention is directed to a transparent mold made of a polyamide molding material containing at least one polyamide formed from at least one diamine selected from the group of hexamethylene...
8142917 Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cells  
The present invention relates to a proton-conducting polymer membrane which comprises polyazole blends and is obtainable by a process comprising the steps A) preparation of a mixture comprising...
8133827 Fibers comprising copolymers containing structures derived from 4,4 diamino diphenyl sulfone and a plurality of acid monomers and methods of making same  
The invention concerns a fiber, obtainable by spinning a copolymer from the polymerization solution, derived from 4,4′diaminodiphenyl sulfone amine monomer and a plurality of acid monomers,...
8084571 Aromatic polyamide filament and method of manufacturing the same  
Disclosed are wholly aromatic polyamide filament and a method of manufacturing the same, characterized in that, in a process of preparing wholly aromatic polyamide polymer, a multiple tubular feed...
7989579 Production of a functionalized polytriazole polymer  
A method for the production of a functionalized polytriazole polymer, particularly a poly(1,2,4-triazole)-polymer, includes the steps of (a) mixing a hydrazine salt, particularly hydrazine...
7985828 Solid polymer electrolyte, method for manufacturing the same and use thereof  
A solid electrolyte of fully conjugated, water-soluble rigid-rod polymer with articulated backbone for isotropic ionic conductivity, a method for synthesizing the solid electrolyte and a battery,...
7972536 Electrically conductive, optically transparent polymer/carbon nanotube composites  
The present invention is directed to the effective dispersion of carbon nanotubes (CNTs) into polymer matrices. The nanocomposites are prepared using polymer matrices and exhibit a unique...
7955692 Protective garment comprising fibers comprising copolymers containing structures derived from a plurality of amine monomers including 4,4′ diamino diphenyl sulfone  
The invention concerns a protective garment comprising a fabric made from a flame-resistant yarn having a fiber, obtainable by spinning a copolymer from the polymerization solution, derived from a...
7906043 Electrically conductive, optically transparent polymer/carbon nanotube composites and process for preparation thereof  
The present invention is directed to the effective dispersion of carbon nanotubes (CNTs) into polymer matrices. The nanocomposites are prepared using polymer matrices and exhibit a unique...
7884142 Biodegradable copolymer and thermosensitive material  
The disclosed is a biodegradable copolymer, an amphiphilic diblock copolymer, composed of a hydrophilic segment and a hydrophobic segment. The hydrophilic segment is an endcapped PEG or...
7834130 Process for the production of polybenzimidazole from a tetraminobiphenyl and an isophthalic acid  
A single-stage melt polymerization process is demonstrated for production of a polybenzimidazole which comprises the following steps. First, a high intensity reactor having a means for controlling...
7820314 Proton-conducting membrane and use thereof  
The present invention relates to a novel proton-conducting polymer membrane based on polyazole block polymers which, owing to their outstanding chemical and thermal properties, can be used widely...
7795372 Polymer film based on polyazoles, and uses thereof  
The present invention relates to a novel polymer film and also polymer fibers and polymers based on polyazoles, which can, owing to its excellent chemical and thermal properties, be used for a...
7786235 Block polymer and device  
The invention provides a block polymer capable of being used as a molecular wire facilitating injection of carriers between itself and an electrode, and a device in which electrodes are bridged by...
7736779 Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells  
The present invention relates to a proton-conducting polymer membrane which comprises polyazole blends and is obtainable by a process comprising the steps A) preparation of a mixture comprising...
7713449 Polymer electrolytic material, polymer electrolytic part, membrane electrode assembly, and polymer electrolyte fuel cell  
A polymer electrolytic material has excellent proton conductivity and excellent fuel shutting property, and accordingly provide a polymer electrolytic fuel cell with a high efficiency. This...
7714096 Resin composition, cured product and optical parts  
It is provided for a resin composition including (A) at least one polyamic acid having the structure represented by the following formula (1): wherein R1 is independently an alkyl group having 1...
7588699 Electrically conductive, optically transparent polymer/carbon nanotube composites and process for preparation thereof  
The present invention is directed to the effective dispersion of carbon nanotubes (CNTs) into polymer matrices. The nanocomposites are prepared using polymer matrices and exhibit a unique...
7288603 Polybenzazole compound having sulfonic acid group and/or phosphonic acid group, resin composition containing the same, resin molding, solid polymer electrolyte membrane, solid polymer electrolyte membrane/electrode assembly and method of preparing assembly  
An object of the present invention is to obtain a novel polymeric material capable of forming a solid polymer electrolyte excellent not only in processability, solvent resistance and...
7153925 Condensation polymers from N, N*-disubstituted disulfonamides  
The present invention relates to novel condensation polymers where N,N*-disubstituted disulfonamides are copolymerized with an organic acid dihalide such as dicarboxylic acid dichlorides,...
7109287 Space environmentally durable polyimides and copolyimides  
Polyimides displaying low color in thin films, atomic oxygen resistance, vacuum ultraviolet radiation resistance, solubility in organic solvents in the imide form, high glass transition (Tg)...
7074851 Method for making stabilised polyamide compositions  
The invention relates to a process for preparing stabilized compositions based on polyamide. The stabilizer is a phosphorus stabilizer selected from phosphorous acid and hypophosphorous acid. It...
7053172 Fuel-barrier polyamide resin and multilayer shaped article  
The fuel-barrier polyamide resin of the present invention is a product of the polycondensation of a diamine component comprising 70 mol % or higher of m-xylylenediamine and a dicarboxylic acid...
7045241 Proton conductive solid polymer electrolyte and method for producing the same  
A monomer to produce polybenzimidazole is dissolved in polyphosphoric acid. For example, polysulfated phenylene sulfonic acid (acidic group-possessing polymer) is further dissolved in this...
7038007 Process for a continuous polymerization for the production of high molecular weight polybenzimidazole  
A process for a single-stage melt polymerization for the production of a high molecular weight polybenzimidazole which comprises the steps of: providing a reaction vessel having a means for...
6987163 Modified polybenzimidazole (PBI) membranes for enhanced polymer electrochemical cells  
The invention relates to a modified polybenzimidazole (PBI), membranes that are fabricated from these polymers, and their use in electrochemical applications. These membranes have high ionic...
6979719 Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group  
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a...
6946421 Latent catalyst  
This invention provides a latent catalyst having a structure of phosphonium borate consisting of a monovalent cation portion in which four specific groups are bonded to the phosphorus atom and a...
6881812 Thermosetting resin and tetraorganophosphonium dicyclic tetraorganoborane catalyst  
This invention provides a latent catalyst having a structure of phosphonium borate consisting of a monovalent cation portion in which four specific groups are bonded to the phosphorus atom and a...
6855757 Preparation of glycol carboxyethylmethylphosphinate  
The invention relates to a process of preparing glycol carboxyethylmethylphosphinate, which comprises a) reacting elemental yellow phosphorus with methyl chloride in the presence of an alkali or...
6841651 Polyamide resin  
The polyamide resin of the present invention is produced by polycondensation of a diamine component comprising 70 mol % or more of m-xylylenediamine and a dicarboxylic acid component comprising 70...
6812325 Polyamines and polymers made therewith  
A polyamine having the formula: H2N—A[NR—B]aNH2or salt thereof, wherein A and B, which may be the same or different, are selected from aliphatic or aromatic substituents provided that at least...
6812324 Method for preparing nylon 6 copolymer containing sulfonate comonomers  
A method for preparing nylon 6 copolymer containing 5-sulfoisophthalate salts comonomer. The method includes the steps of reacting 5-sulfoisophthalate salts ester with aliphatic diamine in a molar...
6774205 Polyamides  
A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides,...
6693163 Solid-phase drying and solid-phase polymerization of polyamide  
In the method for solid-phase drying or solid-phase polymerizing a polyamide of the present invention, the polyamide that is stored for 20 days or longer after the production thereof until...
6680364 Water dispersible polyamides with ethylenically unsaturated ends  
The invention describes polyamides having both strongly hydrophilic groups and unsaturated groups, the polyamides consequently being water-dispersible and curable. The hydrophilic groups are...
6610816 Process for production of polyamide  
In the production of polyamide by the melt-polymerization of the present invention, the polymerization conditions are rapidly and accurately controlled by a near-infrared spectroscopy to enable...
6559274 Stabilized monoaspartic acid esters and polyaspartic acid esters  
The present invention relates to a composition comprising monoaspartic acid esters and polyaspartic acid esters as well as an addition product prepared from an unsaturated dicarboxilic acid...
6541600 Water soluble and dispersible highly branched polyamides  
Highly branched polyamides prepared in a single step procedure of condensation polymerization of multifunctional monomer reactants comprising amine and carboxylic acid functional groups....
6524989 Tetraorganophosponium dicyclic tetraorganoborate catalyst  
This invention provides a latent catalyst having a structure of phosphonium borate consisting of a monovalent cation portion in which four specific groups are bonded to the phosphorus atom and a...
6444776 Organic polymers  
The present invention relates to novel crosslinkable amphiphilic block copolymers of formula wherein the variables are as defined in the claims, a process for their preparation and their use for...