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3932326 |
Soft thermoplastic segmented copolyesters as pressure sensitive adhesives
Soft thermoplastic segmented copolyester elastomers consisting essentially of a multiplicity of recurring short chain ester units and long chain ester units joined through ester linkages, said...
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3932692 |
Resinious laminates having improved gas permeation and delamination resistance
A resin laminate structure comprising a layer of a polyolefin and a layer of an ethylene-vinyl acetate copolymer saponified product having an ethylene content of 25 to 50 mole % and a degree of...
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3928263 |
Process for producing polyolefin powders with grinding aids and powder composition of grinding aids and polyolefins
A powder composition of a crystalline polyolefin material and 5 to 35 percent by weight of a grinding aid that is a dissimilar and incompatible polymeric material with respect to the polyolefin,...
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3925300 |
Molding compounds and method of making same
An improved method of producing a molding composition comprising a polyester resin prepolymer, a generally immiscible thermoplastic resin and a mutual monomeric solvent for both resins which will...
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3923726 |
Process of making colored high temperature polymers
High melting polymers such as polyester, polyamide or polysulfone are uniformly internally colored by blending therewith a minor amount of easily colored lower-softening thermoplastic additive...
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3917501 |
Non-woven fabric-like rubbery material and process of manufacture
A non-woven, fabric-like material is produced by forming a blend of uncured natural or synthetic rubber, natural or synthetic powdery fibers, and curing agents, calendering the blend to form a...
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3917745 |
Coupled peroxides as crosslinking initiators
A new class of compounds: R--W--R' where R and R' are identical oxy radicals containing peroxide functions such as dialkyl or diaralkyl peroxide, peroxyketal, peroxyester, or monoperoxycarbonate,...
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3909467 |
Downhole tool
An improved downhole tool for well-logging, drilling, etc., is disclosed. The portions of the tool previously made of ordinary elastomers, such as bumpers, shock absorbers and protectors for...
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3901838 |
Environmentally degradable biodegradable blends of a dialkanoyl polymer and an environmentally degradable ethylene polymer
Novel polymeric blends which are capable of being fabricated into useful and novel consumer-type and industrial-type plastic products. After the useful life of such products they can be discarded....
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3900549 |
Method of spinning composite filaments
A method for preparing composite filaments composed of a polyethylene and a polyester, which comprises mixing a polyethylene having a melt index of above 27 with a polyester having a specific...
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3896066 |
Vinylidene chloride coating composition containing an aromatic polyester and polyester substrates coated with the coating composition
A heat-sealable tack-free coating composition comprising a volatile organic solvent solution of 1. a copolymer of vinylidene chloride and at least one other ethylenically unsaturated monomer...
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3882078 |
Fiber reinforced polyester resin having a low surface profile and improved impact strength
Herein is disclosed a new fiber filled polyester composition which may be used as either a bulk molding or sheet molding compound. Fiber reinforced articles molded from this composition have both a...
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3869525 |
Composition comprising a mixture of thermoplastic polymers for internal cleaning of extruders
A process and an extruder cleaning composition are disclosed for removing deposits of encrusted and decomposed material at elevated temperatures from the interior surfaces in contaminated zones of...
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3857812 |
UNSATURATED POLYESTER COMPOSITIONS AND THERMOSET ARTICLES PREPARED THEREFROM
Stable compositions are prepared from a mixture of an unsaturated polyester resin (containing a copolymerizable monomer) and certain polydiene rubbers such as polybutadiene having an inherent...
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3857799 |
PROCESS FOR THE REGENERATION OF PLASTICS
The process for regenerating waste plastics by mixing the waste plastics with an ether-type polyester and at least one member selected from the group consisting of a homopolymer of vinyl acetate,...
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3849230 |
PROCESS OF BONDING USING EPOXY-AZIDO ADHESIVES
Disclosed is the use of epoxy-azido compounds of the formula ##SPC1## Where R is a polyvalent organic radical, R' is a hydrogen, alkyl, cycloalkyl, aryl, or aralkyl radical, A is ##SPC2## And n and...
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3846360 |
BASE FOR UNIVERSAL PIGMENT CONCENTRATES
Color concentrates wherein the carrier material comprises at least a minor amount of certain solution-polymerized hydrocarbons exhibit compatibility in a wide range of plastic materials.
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3843752 |
BLOCK COPOLYMERS HAVING A POLYHYDROCARGON-POLYESTER MAIN CHAIN
This invention provides block copolymers containing ester linkages and polymerized units of ethylenically unsaturated monomers and a process for their preparation. The process is characterized by...
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3776774 |
PROCESS FOR INTERNAL CLEANING OF EXTRUDERS
A process and an extruder cleaning composition for removing deposits of encrusted and decomposed material at elevated temperatures from the interior surfaces in contaminated zones of an extruder....
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3723574 |
BLOCK COPOLYESTERS CONSISTING ESSENTIALLY OF LINEAR SATURATED POLYESTER AND POLYSTYRENE-BUTADIENE UNITS
Thermoplastic block copolyesters comprising linear saturated polyesters and olystyrene-butadiene units which can be moulded into shaped articles having a high dimensional stability, impact strength...
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3719729 |
ORIENTED POLYPROPYLENE RESIN MODIFIED POLYTHYLENE POLYETHYLENE TEREPHTHALATE FILMS WITH IMPROVED ELECTRICAL PROPERTIES
Oriented films of polyethylene terephthalate of improved physical characteristics are prepared by introducing into the polyethylene terephthalate during the polycondensation thereof or immediately...
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3695477 |
PLASTISOLS AND GASKETS
Plastisols, preferably of polyvinyl chloride, having a high yield value and low high shear viscosities are obtained by thickening conventional plastisol preparations with about 1 to 40 parts of...
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3673139 |
PROCESS FOR THE PRODUCTION OF INJECTION MOULDED AND EXTRUSION MOULDED POLYESTER PRODUCTS
Process for the production of injection moulded and extrusion moulded polyesters from diols and dicarboxylic acids of which at least 85 mol. percent consists of terephthalic acid, which process...
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3671478 |
RUBBER COMPOSITIONS
A vulcanizable composition which comprises natural rubber and/or synthetic rubber and a minor proportion of boric oxide. Preferably the amount of boric oxide is not greater than 20 parts by weight...
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3668172 |
PIGMENTED POLYESTER COMPOSITIONS
Uniformly pigmented polyester compositions which can be melt spun into fine denier multifilament fibers are described. The preferred compositions are homogeneous blends of unpigmented polyester and...
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3665056 |
CYCLOHEXYLENE POLYESTER DYE RECEPTORS
A process for dyeing polyolefins in which there is incorporated in the polyolefin a polyester formed as the reaction product of 1,4-cyclohexanediol and a paraffinic dicarboxylic acid.
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3660202 |
BONDING OF SHAPED ARTICLES OF POLYESTER
An improved process is described for bonding polyester shaped articles to rubber. The improvement comprises treating the polyester surface with an aqueous solution of a bis(dihydroxyphenyl...
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3644267 |
LOW-VISCOSITY HIGH-STRENGTH THERMOPLASTIC ADHESIVE
Low-viscosity high-strength thermoplastic adhesives comprising a thermoplastic linear polyester, a polymer of a monoolefinically unsaturated monomer, a viscosity decreasing additive and optionally...
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3627712 |
ACCELERATORS FOR ELASTOMERS IN CONTACT WITH POLYESTER FIBERS
A vulcanization accelerator for hydrocarbon backbone sulfur-curable elastomers which can be used in elastomer formulations in contact with a fibrous polyester material without causing deterioration...
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3607804 |
DYEABLE PILL RESISTANT POLYESTERS
Improved polyesters consist of the condensation product of a polyhydric alcohol, a major proportion of a first dibasic acid, a minor proportion of a long chain dibasic acid having molecular weight...
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3551521 |
POLYPROPYLENE COMPOSITIONS CONTAINING POLYESTER AMINES
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3549571 |
POLYESTER MODIFIED ORGANOSOL COMPOSITION,A DRIED COATING OF WHICH HAS IMPROVED MAR RESISTANCE AND METAL MARKING RESISTANCE
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3549734 |
METHOD OF FORMING MICROFIBERS
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3534120 |
COPOLYESTER FILAMENTS CONTAINING MINOR AMOUNT OF POLYOLEFINS
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3527146 |
NON-SKID TRAFFIC BEARING SURFACES
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3525720 |
PARTIALLY OXIDIZED INTERPOLYMERS OF MONOOLEFINS AND POLYENES WHICH CURE BY OXIDATIVE MECHANISM
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3515772 |
CYCLIZED POLYDIENE-POLYETHER RESINS
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3505256 |
COATING COMPOSITION WITH IMPROVED PROPERTIES CONTAINING A LINEAR AMORPHOUS FILM-FORMING POLYMER AND AN ADJUVANT
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3504080 |
METHOD OF PRODUCING DIMENSIONALLY - STABLE INJECTION MOLDED POLYESTERS
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3501554 |
POLYESTER PLASTICIZER FOR POLYVINYL CHLORIDE FABRICS
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3498941 |
POLYMERIC DISPERSIONS OF A POLYOLEFIN WITH AN INCOMPATIBLE POLYMER AND A POLYAMIDE DISPERSING AGENT
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3492279 |
CHLORINATED AMORPHOUS POLYPROPYLENE COMPOSITIONS
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3484339 |
BLENDS OF POLYESTERS CONTAINING FREE CARBOXYL GROUPS AND LAMINATE THEREOF
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3480569 |
POLYMER FOAMS REINFORCED WITH POLYAMIDES,POLYESTERS AND POLYCARBONATES
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3474050 |
POLYMER FOAMS REINFORCED WITH POLYAMIDE,POLYESTER AND POLYCARBONATE FIBERS FORMED DURING THE FOAMING PROCESS
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3473951 |
CURABLE COATING COMPOSITION AND SELF-SKINNED POLYURETHANE FOAM ARTICLE COATED WITH SAME
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3468972 |
CONTROL OF BRANCHING AND COUPLING IN LITHIUM-TERMINATED POLYMERS
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3467610 |
AQUEOUS FLOOR POLISH COMPOSITIONS CONTAINING A WATER-INSOLUBLE ADDITION POLYMER AND A POLYVALENT METAL CHELATE
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3464947 |
SYNTHETIC POLYESTER SIZING COMPOSITION FOR YARNS
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3449200 |
PRODUCT AND METHOD OF PRODUCING COMPOSITE POLYESTER TEXTILE RUBBER PRODUCTS
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