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7622531 |
Powder paint composition
The present invention relates to a powder paint composition comprising at least (a) a thermosetting polymer having functional groups capable of reacting with β-hydroxyalkylamide units (b) a...
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7585603 |
Curable resin composition, electrophotographic photoreceptor, process cartridge, and image-forming apparatus
A curable resin composition for use as a constituting material of an electrophotographic photoreceptor, comprises: a phenolic resin; a charge transportable material having a reactive functional...
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7560501 |
Encapsulant of epoxy or cyanate ester resin, reactive flexibilizer and thermoplastic
An encapsulant composition. The encapsulant composition includes a resin material consisting of epoxy or cyanate ester resins, from about 1.0% by weight to about 5% by weight of the composition of...
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7547749 |
Triazine compounds, polymers comprising triazine structural units, and method
In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining...
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7544741 |
Composition comprising poly(2,6-dimethylphenylene) ether
A polyphenylene ether resin composition comprising a polyphenylene ether, wherein the polyphenylene ether has a polymer chain comprising recurring units each represented by the following formula...
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7507474 |
Thermoplastic polymer composition comprising a hyperbranched polymer and articles made using said composition
The invention relates to thermoplastic compositions comprising a polymer matrix and an additive which modifies the rheological behavior of the matrix in the molten state. The purpose of the...
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7491789 |
Disulfide-containing phenolic resin as curing agent for epoxy resin
The present invention discloses a sulfur-containing phenolic resin which comprises an organic group represented by the following formula (1):
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7446154 |
Carboxylic acid-modified biphenyl epoxy diacrylate
A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of a bivalent phenol of the formula (2) and a monovalent phenol of the formula (3),
...
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7390847 |
Polymer derivatives for the treatment of metals
A composition for the treatment of metal surfaces and for the deposition of metals or metal alloys on plastics surfaces contains
a) at least one polymer as component A, composed of the structural...
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7388057 |
Di(meth)acrylate of epoxy-terminated polyphenylene ether
A bifunctional phenylene ether oligomer containing monophenylene and biphenylene moieties can be rendered thermosetting by reacting the terminal phenolic hydroxyl groups with a) a cyanogen halide...
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7384682 |
Electronic package with epoxy or cyanate ester resin encapsulant
An encapsulant composition and an electronic package. The composition includes a resin, a flexibilizing agent, and a filler material. The electronic package includes a substrate, a semiconductor...
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7371800 |
Derivatized novolak polyhydroxystyrene from hydroxyphenylmethylcarbinol
A process for preparing derivatized poly(4-hydroxystryrene) having a novolak type structure which comprises the steps of (i) supplying a solution of methanol containing...
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7329708 |
Functionalized poly(arylene ether) composition and method
A curable composition includes an olefinically unsaturated monomer and a poly(arylene ether) having two polymerizable groups and an intrinsic viscosity of about 0.05 to about 0.30 deciliters per...
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7321005 |
Encapsulant composition and electronic package utilizing same
A method of making an encapsulant composition. The method includes: providing a first quantity of resin material of epoxy or cyanate ester resins; adding to the first quantity of resin material a...
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7288587 |
Poly(phenylene oxide) resin composition, prepreg, laminates sheet, printed wiring board, and multilayer printed wiring board
The poly(phenylene oxide) resin composition of the invention is a poly(phenylene oxide) resin composition containing poly(phenylene oxide) and triallyl isocyanurate, wherein the poly(phenylene...
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7247682 |
Bifunctional phenylene ether oligomer, its derivatives, its use and process for the production thereof
A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of a bivalent phenol of the formula (2) and a monovalent phenol of the formula (3),
wherein...
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7226989 |
Method of separating a polymer from a solvent
A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising an upstream vent and/or a side feeder...
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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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7183350 |
Poly(arylene ether) blends having low melt viscosity in the absence of plasticizer
A poly(arylene ether) composition comprises a first poly(arylene ether) resin having an intrinsic viscosity greater than or equal to about 0.3 dl/g, as measured in chloroform at 25° C. and a...
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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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7144932 |
Low-friction, high-dispersion synthetic resin composition containing fine particles of RB ceramic or CRB ceramic and a method for its preparation
A synthetic resin composition includes at least one synthetic resin and RBC or CRBC particles dispersed in the resin. A method for preparing a synthetic resin composition includes mixing RBC or...
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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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7056973 |
High flow polyphenylene ether formulations
A high flow polyphenylene ether resin composition comprises a blend of at least two polyphenylene ether resins, a first resin having an intrinsic viscosity of at least 0.3 dl/g, and a second resin...
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7034082 |
Cross-linked sulphonated polymers and their preparation process
The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in...
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7019062 |
High performance thermoplastic compositions with improved melt flow properties
A high performance thermoplastic polymer composition having improved melt flow properties, comprising a thermoplastic polymer resin and a low intrinsic viscosity poly(arylene ether). Preferred...
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7005480 |
Resin dispersions having uniform particle diameters, resin particles and processes for producing both
The present invention provides a method of producing an aqueous dispersion. A resin (b) or a solvent solution thereof, or a precursor (b0) of the resin (b) or a solvent solution thereof is...
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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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6992166 |
Phenolic resin and method of producing the same
A phenolic resin obtainable by reacting a dihydroxy compound of the following formula (1) with a phenolic compound,
wherein the dihydroxy compound is partially dehydrated.
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6924350 |
Method of separating a polymer from a solvent
A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising as upstream vent and/or a side feeder...
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6902766 |
Two-part aqueous metal protection treatment
A two-part metal protection composition includes: an aqueous metal treatment conversion coating component that includes an admixture of an acid and a coating forming component; and an aqueous...
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6878796 |
Solvent systems for polymeric dielectric materials
Aromatic aliphatic ether solvents, such as anisole, methylanisole, and phenetole, have been found useful in formulating coating solutions of polymeric dielectric materials and as a clean up solvent...
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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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6869980 |
Polymer blend membranes for use in fuel cells
The present invention relates to novel polymer blend membranes comprising a functional polymer based on sulfonated aryl polymers, a reinforcing polymer based on aminated or nitrated polyether...
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6858304 |
Preparation of polyindanebisphenols and polymers derived therefrom
Novel polyindanebisphenols or PIBPs for the preparation of new and improved thermosetting polymers having the general formula of
are provided. Also disclosed are thermoplastic or thermoset...
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6809159 |
High flow polyphenylene ether formulations with dendritic polymers
High flow polyphenylene ether formulations are obtained with the addition of dendritic polymers. High flow is also obtained with the addition of dendritic polymers to flame retardant polyphenylene...
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6780944 |
Resin composition
A resin composition which comprises from 50 to 99.5 parts by weight of a polyphenylene sulfide and from 0.5 to 50 parts by weight of a fluorinated resin having a solidification temperature of at...
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6770107 |
Abrasive-filled thermoset composition and its preparation, and abrasive-filled articles and their preparation
A curable resin composition comprises a poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and...
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6734260 |
Cationic coating composition
The present invention provides a cationic coating composition capable of forming a coating film which is excellent in an electrodepositablly coating property and an adhesive property toward a rust...
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6673872 |
High performance thermoplastic compositions with improved melt flow properties
A high performance thermoplastic polymer composition having improved melt flow properties, comprising a thermoplastic polymer resin and a low intrinsic viscosity poly(arylene ether). Preferred...
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6670424 |
Ross-linked sulphonated polymers and their preparation process
The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in...
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6620885 |
Copolymers of functionalized polyphenylene ether resins and blends thereof
A copolymer having segments of polyphenylene ether, styrene and/or acrylonitrile, a method for making the copolymer, and a blend of the copolymer with a styrenic resin are provided. The...
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6613493 |
Photoresist polymer and composition having nitro groups
Photoresist polymers having nitro groups (—NO 2 ), and photoresist compositions containing the same. A photoresist pattern having excellent endurance, etching resistance, reproducibility and...
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6576700 |
High flow polyphenylene ether formulations
A high flow polyphenylene ether resin composition with improved HDT values and flame retardance comprising a blend of at least two polyphenylene ether resins, a first resin having an intrinsic...
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6566549 |
Continuous polymerization process and products therefrom
A continuous process for oligomers which do not contain, as polymerized units, carboxylic acid-containing monomers and their salts, including the steps of: (1) forming a reaction mixture,...
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6469101 |
Vulcanizable rubber composition for treads of vehicle tires
A vulcanizable rubber composition is described comprising a cross-linkable unsaturated chain polymeric base, wherein is incorporated at least one organic compound, solid at room temperature,...
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6465083 |
METHOD OF MAKING VARNISH OF MODIFIED CYANATE ESTER GROUP CURABLE RESIN COMPOSITION, AND PREPREG, METAL CLAD LAMINATED BOARD, FILM, PRINTED CIRCUIT BOARD, AND MULTILAYERED CIRCUIT BOARD USING THE COMPOSITION
A modified cyanate ester group curable resin composition, and varnishes, prepregs, laminated boards adhered with metal foil, films, printed circuit boards, and multilayered circuit boards using the...
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6417287 |
Method for hydrogenating aromatic polymers
A process for the hydrogenation of aromatic polymers is disclosed. Accordingly, the solvent used comprise an ether that contains no α -hydrogen atom on a carbon atom adjacent to the ether...
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6417274 |
Process for the manufacture of functionalized polyphenylene ether resins
The invention relates to a novel process for preparing functionalized PPE, the process comprising oxidative coupling in a reaction solution at least one monovalent phenol species using an oxygen...
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6414091 |
Thermoplastic resin, process for producing same and thermoplastic resin composition
There are provided: (I) a thermoplastic resin (X-1) obtained by a process comprising the step of reacting: (1) a polyphenylene ether resin (A) with (2) a specific polyorganosiloxane (B), (II) a...
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6403229 |
Cyanate ester based thermoset compositions
Laminate structures, for example for use in circuit boards, comprise a metal foil and at least one cured composition layer disposed on at least one surface of the metal foil, wherein the cured...
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