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5260121 |
Fiber-reinforced composite of cyanate ester, epoxy resin and thermoplast
Matrix resin formulations comprising cyanate esters of phenol adducts of dicyclopentadiene, epoxy resins and particular thermoplastics, provide fiber reinforced composites with excellent toughness...
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5258471 |
Curable composition comprising a crystallisable polymer
A composition comprising a polymer in dispersion in a non-aqueous continuous diluent, in which the polymer phase comprises a crystallisable polymer, selected from polyesters, polycarbonates and...
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5250590 |
Flame retardant resin composition
A flame retardant resin composition comprising (A) 70 to 10% by weight of a rubber-reinforced styrene base resin, (B) 20 to 85% by weight of a polycarbonate resin, (C) 5 to 35% by weight of a high...
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5182344 |
Curing polyester or polycarbonate and polyepoxide with polyorgano phosphorous catalyst
Thermoformable, thermosettable resins essentially free of secondary alcohol groups are obtained by reaction of oxiranes in active hydrogen-free polyepoxide with carboxylate and/or carbonate groups...
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5166184 |
Epoxy resin, process for the preparation thereof and process for the production of epoxy foam
A normally liquid epoxy resin obtainable by reaction of a bisphenol based oligocarbonate having terminal phenolic hydroxyl groups with an epihalohydrin, followed by dehydrohalogenation. The epoxy...
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5151471 |
Epoxy matrix resin formulations with improved storage stability containing powdered diamine dispersions
Epoxy resin formulations having improved storage stability comprising epoxys selected from the group consisting of polyglcidyl ethers of polycyclic bridged hydroxy-substituted polyaromatic...
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5097008 |
Preparation of branched polycarbonate from oligomeric cyclic polycarbonate and polyhydric phenol
Branched polycarbonates are prepared by melt equilibration of aromatic cyclic polycarbonate oligomers with a polyhydric phenol having more than two hydroxy groups per molecule, preferably...
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5081205 |
Preparation of cross-linked polycarbonate with cross-linker polycarbonate resin
A polycarbonate resin, containing in the polymer chain at least one divalent moiety of the formula: ##STR1## wherein E is selected from the group consisting of alkylene containing from 1 to 15...
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5037903 |
Composition of aromatic polyester copolyester carbonate or polycarbonate with polyepoxide and polyorgano phosphorous catalyst
Thermoformable, thermosettable resins essentially free of secondary alcohol groups are obtained by reaction of oxiranes in active hydrogen-free polyepoxides with carboxylate and/or carbonate groups...
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5034472 |
Preparation of functionalized thermoplastic polymer containing dicyclopentadienyl groups in polymer chain with dienophile reagent
Method for functionalizing a thermoplastic aromatic polycarbonate, copoly(ester carbonate), polyarylate, poly(arylene oxide) or polyarylethersulfone by reacting a precursor polymer that contains...
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4999408 |
Method of crosslinking resin with carboxyl polycarbonate
Polycarbonate resins containing at least one divalent chain unit of the formula: ##STR1## are transitory cross-linkers prepared by thermal degradation of the corresponding acid esters (the ester...
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4996267 |
Heat-curable resin mixture of monocyanate, polycyanate and reactive thermoplastic
A heat-curable resin mixture comprises (A) a polyfunctional aromatic cyanic ester, (B) a monofunctional aromatic cyanic ester, (C) a thermoplastic polymer, (D) an optional bismaleimide,...
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4977233 |
Polycarbonate capped with phenolic chain terminator mixture
A polycarbonate having a principal chain comprising a repeating unit represented by the formula: ##STR1## (a) a substituted phenoxy group represented by the formula (II) ##STR2## (wherein A is as...
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4962162 |
Resin composition of thermosetting resin and thermoplastic resin
The resin composition which contains thermosetting resin as Component (A), a thermoplastic resin as Component (B), and at least one compound selected from the group consisting of an epoxy resin...
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4960863 |
Polycarbonate cross-linked resin
Polycarbonate resins containing at least one divalent chain unit of the formula: ##STR1## wherein E represents a trivalent hydrocarbon radical, or a trivalent halogen-substituted hydrocarbon...
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4959422 |
Poly epoxy branched polycarbonate and method for preparation
Branched polycarbonates are prepared by the reaction of at least one polyepoxy compound, preferably triglycidyl isocyanurate, with at least one carboxylic acid-terminated polycarbonate, preferably...
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4957995 |
Low-viscosity epoxy resin, and fiber-reinforced composite material based on m-alkyl triglycidylaminophenols
A low viscosity epoxy resin, i.e., a low viscosity polyglycidyl derivative, of an aminophenol having at least one alkyl group on its aromatic ring of which viscosity is 15 poises or below as...
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4943619 |
Polycarbonate-epoxy polymer
A polycarbonate-epoxy polymer and method of making the same is presented. In accordance with the present invention, epoxide groups of epoxy resins react with in-chain carbonate groups of a...
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4927914 |
Polycarbonate cross-linker resin and fire resistant compositions made therefrom
Polycarbonate resins containing at least one divalent chain unit of the formula: ##STR1## are transitory cross-linkers prepared by thermal degradation of the corresponding acid esters (the ester...
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4925890 |
Process for processing thermoplastic polymers
A process for enhancing the fabrication of thermoplastic polymers entailing the addition of from 0.01 to 1 part, per hundred parts of thermoplastic polymer, of a processing aid, said processing aid...
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4894401 |
Color stabilized irradiated polycarbonate compositions
A composition sufficiently irradiated to achieve sterilization comprising: (i) at least one aromatic carbonate resin; and (ii) an antiyellowing upon exposure to sterilizing irradiation...
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4857627 |
Amino phenol end capped aromatic polycarbonate reacted with sulfonate
A composition comprising an aromatic carbonate polymer end-capped with a group of the structure ##STR1## wherein --+NR 1 R 2 R 3 is meta or para to the O and R 1 , R 2 and R 3 are the same or...
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4853443 |
Polycyanoaryl ether with thermoplastic resin
Disclosed is a novel polymer of this invention which comprises having a recurring unit represented by the formula: ##STR1## and having a reduced viscosity (ηsp/c) of 0.2 dl/g or more at 60° C. in...
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4847312 |
Hydrolytically stable polycarbonate composition comprising dicyclopentadienyl epoxy ether
A polycarbonate molding composition comprising an aromatic polycarbonate resin and a compound conforming to ##STR1## wherein n, x and y independently are 0 or 1 and R is a C 1 -C 20 hydrocarbon...
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4841001 |
Functionalized thermoplastic polymer having dicyclopentadienyl groups in polymer chain
Method for functionalizing a thermoplastic aromatic polycarbonate, copoly(ester carbonate), polyarylate, poly(arylene oxide) or polyarylethersulfone by reacting a precursor polymer that contains...
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4788263 |
Aromatic polycarbonate resin blends
An aromatic polycarbonate resin blend characterized by improved melt-flow properties particularly suited for blow molding. The blend consists of at least 80 percent of cyclic polycarbonate oilgomer...
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4782124 |
Polycarbonate modified epoxy resins
Modified epoxy resins are prepared by the reaction of one or more epoxy resins with polycarbonate resins or oligomers. One or more monoalcohols and/or monophenols can also be used in the...
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4766184 |
Polycarbonate modified vinyl esters
Vinyl ester resins are prepared by the reaction of one or more epoxy resins with polycarbonate resins or oligomers and the reaction of this product with polymerizable ethylenically monounsaturated...
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4755588 |
Composition and method for controlling polymerization rate of cyclic polycarbonate oligomer with encapsulated catalyst
The polymerization rate of a cyclic polycarbonate oligomer composition to linear polycarbonates is controlled by encapsulating a polycarbonate formation catalyst in a thermoplastic polymer which is...
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4719254 |
Epoxy ester-modified alkyd resin enamel formulations
Epoxy ester-modified alkyd resin formulations are provided comprising: (i) from about 70 to 80 wt % soya modified alkyd resin; (ii) from about 4.75 to 10 wt % epoxy ester resin; (iii) from...
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4692382 |
Elastomeric coating compositions
A coating composition has as its principal constituents (i) an isocyanate terminated urethane containing material; and (ii) a phosphatized polyepoxide essentially free of oxirane groups. The...
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4692383 |
Polycarbonate based elastomeric coating compositions
A coating composition is composed of a material or mixture of materials adapted to provide a source of: (i) carbonate moieties; (ii) isocyanate groups; and (iii) phosphatized polyepoxide...
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4581382 |
Polycarbonate resin foam
Epoxy compounds are added to polycarbonate resin to reduce or eliminate the necessity of drying the resin prior to a foaming process.
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4579885 |
Epoxy compositions containing substituted diamine hardeners
Described herein is a composition comprising a select group of substituted diamine hardeners and an expoxy resin containing two or more 1,2-epoxide groups per molecule. These compositions exhibit...
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4554309 |
Polycarbonate from cycloalkylidene tetra alkyl substituted diphenol
Thermoplastic polymer exhibiting improved heat resistance comprised of the polymerized reaction products of (i) a carbonate precursor, and (ii) at least one dihydric phenol represented by the...
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4536425 |
Method for preparing polar thermoplastic resin compositions having improved gas barrier properties
A method of preparing a polar thermoplastic resin having improved resistance to gas permeability is disclosed wherein a blend of the resin and coarse mica flakes having an average particle size of...
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4528346 |
Resin composition
A resin composition comprising (A) a polyphenylene sulfide, (B) an epoxy compound, and as an optional component, a reinforcing material, a filler and/or a fire retardant.
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4528342 |
Epoxy resin compositions
A hardenable epoxy resin comprising a curable epoxy resin, a hardener for the epoxy resin and a polymer of epihalohydrin which composition is characterized in that the amount of the polymer of...
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4510289 |
Polycarbonate/condensation polymer blends
A thermoplastic composition includes compatible blends of a mixed polycarbonate comprising units derived from a first dihydric phenol, which is a bis(hydroxyaryl) sulfone, a second dihydric phenol;...
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4393158 |
Hydrolytically stable polycarbonate compositions
An improved hydrolytically stable aromatic polycarbonate composition comprising in admixture an aromatic polycarbonate resin and a stabilizing amount of at least one stabilizing compound selected...
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4208488 |
Thermosetting compositions
A thermosetting coating or adhesive composition based on (A) at least one component selected from the group consisting of oligomeric and polymeric compounds containing at least one of the...
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4190564 |
Cationic electrophoretic coating compositions
A cationic electrophoretic coating composition comprising: (A) a water-soluble or water-dispersible resin prepared by neutralizing with an acid addition products of partially blocked polyisocyanate...
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4176143 |
Highly reactive powder resin compositions containing polycarboxylic acid anhydrides
A highly-reactive powder resin composition suitable for use in the production of coatings comprising a mixture of (A) at least one polymer containing groups selected from hydroxyl and epoxy-groups,...
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3880799 |
Thermal oxidatively stable polycarbonate
A thermal oxidatively stable polycarbonate composition having a stabilizing amount of an ester of a phosphorohalidous acid and a process for preparing a thermal oxidatively stable polymer. In the...
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3867344 |
Burn-resistant plastic compositions
Solid burn-resistant polymeric compositions are formed by reacting substances such as Cl(PNCl 2 ) 9 PCl 4 and (PNCl 2 ) 3 -4 with epoxy resins to form PNCl 2 -epoxy pre polymers. These...
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3864288 |
Quaternized polyepihalohydrin thickening agent
Epihalohydrin polymers of high molecular weight are both lightly crosslinked by reaction with a polyamine and quaternized by reaction with a tertiary monoamine. The polymers are excellent...
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3625877 |
HIGH-MODULUS POLYCARBONATE COMPOSITIONS
This application discloses improved thermoplastic compositions particularly polycarbonates or polyesters prepared from aromatic dihydroxy compounds, which compositions have been modified with...
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3498946 |
PIGMENTED POLYCARBONATE STABILIZED WITH PHOSPHITES AND ION EPOXIDIZED CARBOXYLATE
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3489716 |
AROMATIC POLYCARBONATE RESINS STABILIZED WITH CYCLOALIPHATIC EPOXY COMPOUNDS
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3261808 |
Linear, hardenable epoxy polycarbonates
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