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7601785 |
Sulphonated multiblock copolymer and electrolyte membrane using the same
Disclosed is a sulfonated multiblock copolymer, which comprises a hydrophilic block (X) having a repeating unit represented by the following formula 1a, and a hydrophobic block (Y) having a...
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7589164 |
Flexibilized resorcinolic novolak resins and method of making same
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a...
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7563850 |
Polyelectrolyte compositions
An inexpensive and durable polyelectrolyte composition includes both an aromatic polymer containing carbonyl linkages and/or sulfonyl linkages in the backbone chain and bearing cation-exchange...
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7541415 |
Process for preparing diaryl alkylphosphonates and oligomeric/polymeric derivatives thereof
A process is provided for the production of diaryl alkyl phosphonate by the reaction of triaryl phosphate with dialkyl alkyl phosphonate in the presence of alkali metal iodide catalyst; and,...
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7527863 |
Functionalized polyphenylene ether
An object of the invention is to provide a functionalized polyphenylene ether useful for polymer alloys or electrical or electronic materials such as printed boards or insulating sealants. The...
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7475786 |
Can coatings, methods for coating can and cans coated thereby
Compositions for coating food cans comprising a film-forming resin and an amine-terminated polyamide are disclosed. Food cans coated with such a coating, and methods for coating food cans, are also...
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7429800 |
Molding composition and method, and molded article
A molding composition suitable for encapsulating solid state devices includes an epoxy resin, a hardener, a poly(arylene ether) resin comprising less than 5 weight percent of particles greater than...
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7368520 |
Crosslinked compositions comprising a poly(arylene ether) and a nonlinear optical chromophore, and devices incorporating same
Crosslinked polymer blends comprising a poly(arylene ether) and a nonlinear optical chromophore. Also featured are electro-optic devices incorporating these blends.
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7368169 |
Hydrazide compounds with angiogenic activity
Compounds exhibiting angiogenic properties incorporating the structure of Formula I:
R 3 —NH—NH—C(═O)—R 2 —P—R 1 ...
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7354679 |
Ion conductive random copolymers
This invention relates to ion conducting random copolymers that are useful in forming polymer electrolyte membranes used in fuel cells.
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7342085 |
Synthesis of oligomeric cyanate esters
A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with...
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7326755 |
Coolant resistant and thermally stable primer composition
A coolant-resistant and thermally stable primer composition comprising an organic-functional silane, preferably the reaction product of at least one amino-functional silane and at least one...
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7317064 |
Phenolic resin systems for fiber reinforced composite manufacture
The invention includes formulations useful for creating reinforced composites based on 1) novolac resin compositions, and, 2) non-formaldehyde hardeners, as well as processes for manufacturing...
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7317063 |
Phenolic resins
The invention herein disclosed comprises the use of oxazolidines, nitroalcohols, nitroamines, aminonitroalcohols, imines, hexahydropyrimidines, nitrones, hydroxylamines, nitro-olefins and...
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7312282 |
Process of preparation of block copolymers and the block copolymers prepared therefrom
Processes for preparing block copolymers and the block copolymers prepared therefrom comprising at least two types of homoblock, all belonging to the polysulfone family, wherein each of the said...
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7285325 |
Membranes having improved mechanical properties, for use in fuel cells
An acid-doped, single-layer or multilayer polymer membrane comprising at least one layer A of a polymer blend with contains:
a) from 0.1 to 99.9% by weight of one or more polymers comprising...
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7268193 |
Branched polyphenylene polymers
Branched polyarylene polymers are provided comprising monovalent endcappers, divalent linear units, and polyvalent branching units. The composition of the polymers is controlled by adjusting the...
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7247261 |
Nonlinear optical material with nano-sized dendrimer structure
The present invention relates to a non-linear optical material having a dendrimer structure; and, more particularly, to a non-linear optical material having organic chromophores at the ends and...
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7244786 |
Flame-retardant resin composition, moldings thereof and flame retardant
A flame-retardant resin composition comprising 100 parts by weight of a rubber-reinforced polystyrene resin, from 0.1 to 20 parts by weight of an epoxy-modified phenolic resin, and from 1 to 30...
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7235192 |
Capped poly(arylene ether) composition and method
A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured...
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7217780 |
Polyether ketone and method of producing the same
There are disclosed, a polyether ketone having a primary particle size of 50 μm or less; and a method of producing a polyether ketone by a desalting polycondensation, which contains a step of...
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7211639 |
Composition comprising functionalized poly(arylene ether) and ethylene-alkyl (meth)acrylate copolymer, method for the preparation thereof, and articles prepared therefrom
A thermoplastic composition includes a functionalized poly(arylene ether) and a copolymer of (a) ethylene or an α-olefin, and (b) an alkyl(meth)acrylate. Optional components in the composition...
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7208551 |
Polyaryleneetherketone phosphine oxide compositions incorporating cycloaliphatic units for use as polymeric binders in thermal control coatings and method for synthesizing same
Polyaryleneetherketone triphenylphosphine oxide compositions incorporating cycloaliphatic units are provided which may be used as a polymeric binders in thermal control coatings for use in space...
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7196156 |
Flexibilized resorcinolic novolak resins and method of making same
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a...
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7196155 |
Process for preparing poly(arylene ethers) with pendant crosslinkable groups
A process comprising: a) reacting a diphenol monomer A with a monomer B having two locations for reaction with A to form arylene ether monomer C and b) reacting arylene ether monomer C with a...
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7189795 |
Poly(arylene ether)s bearing grafted hydroxyalkyls for use in electrically conductive adhesives
A poly(arylene ether) polymer includes polymer repeat units of the following structure:
—(O—Ar 1 —O—Ar 2 ) m —(O—Ar 3...
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7179878 |
Poly(arylene ether) polymer with low temperature or UV crosslinking grafts and dielectric comprising the same
Poly(arylene ether) polymers are provided having polymer repeat units of the following structure:
wherein Ar 1 , Ar 2 , Ar 3 , and Ar 4 are identical or different aryl radicals, m is 0 to 1, n...
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7157525 |
Thermoplastic elastomer resin
The present invention relates to a thermoplastic elastomer resin which has good melt viscosity, melt tension, and thermal resistance, wherein it is prepared by introducing a chain extender and a...
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7148296 |
Capped poly(arylene ether) composition and process
A thermoset composition exhibiting reduced water absorption in the cured state includes an olefinically unsaturated monomer and a capped poly(arylene ether) prepared by the reaction of an uncapped...
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7132496 |
Step-by-step alkylation of polymeric amines
The invention relates to the following: a method for step-by-step alkylation of primary polymeric amines by step-by-step deprotonation with a metallo-organic base and a subsequent reaction with an...
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7125935 |
Ion exchange materials
A method of preparing an ion-conducting material, for example membrane, having reduced sensitivity to water includes a step of treating an ion-conducting polymeric material (especially a...
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7101957 |
Crosslinked compositions comprising a poly(arylene ether) and a nonlinear optical chromophore, and devices incorporating same
Crosslinked polymer blends comprising a poly(arylene ether) and a nonlinear optical chromophore. Also featured are electro-optic devices incorporating these blends.
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7087701 |
Poly(arylene ethers) with pendant crosslinkable groups, and devices incorporating same
A polymer comprising units having the formula (I)
wherein: Q 1 comprises at least one aryl or heteroaryl group; Q 2 comprises at least one aryl or heteroaryl group; X 1 is O bonded...
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7071266 |
Curable resin composition and cured product thereof
A curable resin composition containing a polyfunctional cyanate ester resin and a bifunctional phenylene ether oligomer having a number average molecular weight of 500 to 3,000 and having a...
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7067608 |
Process for preparing branched polyarylene ethers
Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH) x wherein x≧3...
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7067593 |
Poly(arylene ethers) with pendant crosslinkable groups, and devices incorporating same
A polymer comprising units having the formula (I)
wherein: Q 1 comprises at least one aryl or heteroaryl group; Q 2 comprises at least one aryl or heteroaryl group; X 1 is O bonded...
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7037986 |
Lead free solder friendly thermoplastic blends and methods of manufacture thereof
Disclosed herein is a high temperature composition comprising a polyarylene ether consisting essentially of plurality of structural units of the formula (I):
wherein for each structural unit,...
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7001978 |
Unsaturated ester substituted polymers with reduced halogen content
Polymers of the formula
wherein x is 0 or 1, R 1-4 are alkyl, aryl, arylalkyl, or alkylaryl groups, X 1-4 are halogens, a′, b′, c′, and d′ are 0–4, UE is an unsaturated ester group,...
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7001938 |
Epoxy resin curing compositions and resin compositions including same
Epoxy resin composition curing agents, which include a primary amino alcohol, are disclosed. Specifically, the invention relates to curing agents which include a primary amino alcohol physically...
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6994788 |
Sulfonated aromatic polymers, membrane containing said polymers and a method for production and use of the same
A sulfonated aromatic polymer comprising the repeating structural unit of the formula I
—O—Ar 1 (SO 3 R) n —C(CF 3 ) 2 —Ar 1 (SO...
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6987147 |
Low dielectric constant materials with improved thermo-mechanical strength and processability
A polymeric network comprises a plurality of monomers that include a cage compound with at least three arms, wherein at least one of the arms has two or more branches, and wherein each of the...
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6962965 |
Functionalized poly(arylene ether) composition and process
A functionalized poly(arylene ether) having a pendant carbon—carbon double bond is prepared by reacting the hydroxy end group of a poly(arylene ether) with a polyisocyanate compound to produce a...
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6927273 |
Process for preparing substituted polyarylene ethers
Processes for preparing polymers of the formula
wherein m is 0 or 1, X is chlorine, bromine, or iodine, and n, e, and f are each, independently of the others, integers wherein e may be 0 and n...
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6906120 |
Poly(arylene ether) adhesive compositions
An adhesive for thermoplastic film is formed from a composition comprising a blend of a poly(arylene ether), a thermosetting resin, a toughening agent, an optional plasticizer, and a cure agent....
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6897282 |
Compositions comprising functionalized polyphenylene ether resins
The invention relates to a method of forming a polyphenylene ether resin containing residual aliphatic unsaturation. A polyphenylene ether is reacted with a capping agent in a solvent to form the...
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6894102 |
Syndiotactic polystyrene blends
A syndiotactic polystyrene blend comprises syndiotactic polystyrene and poly(arylene ether) wherein the poly(arylene ether) has an intrinsic viscosity less than about 0.25 deciliters per gram...
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6878781 |
Poly(arylene ether)-containing thermoset composition in powder form, method for the preparation thereof, and articles derived therefrom
A curable resin composition including a poly(arylene ether), an allylic monomer, and an acryloyl monomer may be formulated as a powder. The resin composition exhibits improved toughness, and it is...
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6849696 |
Low dielectric constant organic dielectrics based on cage-like structures
A low dielectric constant material has a first backbone with an aromatic moiety and a first reactive group, and a second backbone with an aromatic moiety and a second reactive group, wherein the...
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6841629 |
Modified polyphenylene ether resin
Provided is a modified polyphenylene ether resin which is a reaction product of 100 parts by weight of (A) a polyphenylene ether having a main chain structure of the following formula (1):
...
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6828353 |
Ion-exchange polymers
Ion-Exchange polymers for a polymer electrolyte membrane include a moiety of formula (I), and/or a moiety of formula (II), and/or a moiety of formula (III) wherein at least some of the units I, II...
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