Matches 301 - 350 out of 445 < 1 2 3 4 5 6 7 8 9 >
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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...
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...
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,...
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...
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...
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...
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,...
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...
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....
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...
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...
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...
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...
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...
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,...
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...
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.
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...
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....
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
3551521 POLYPROPYLENE COMPOSITIONS CONTAINING POLYESTER AMINES  
3549571 POLYESTER MODIFIED ORGANOSOL COMPOSITION,A DRIED COATING OF WHICH HAS IMPROVED MAR RESISTANCE AND METAL MARKING RESISTANCE  
3549734 METHOD OF FORMING MICROFIBERS  
3534120 COPOLYESTER FILAMENTS CONTAINING MINOR AMOUNT OF POLYOLEFINS  
3527146 NON-SKID TRAFFIC BEARING SURFACES  
3525720 PARTIALLY OXIDIZED INTERPOLYMERS OF MONOOLEFINS AND POLYENES WHICH CURE BY OXIDATIVE MECHANISM  
3515772 CYCLIZED POLYDIENE-POLYETHER RESINS  
3505256 COATING COMPOSITION WITH IMPROVED PROPERTIES CONTAINING A LINEAR AMORPHOUS FILM-FORMING POLYMER AND AN ADJUVANT  
3504080 METHOD OF PRODUCING DIMENSIONALLY - STABLE INJECTION MOLDED POLYESTERS  
3501554 POLYESTER PLASTICIZER FOR POLYVINYL CHLORIDE FABRICS  
3498941 POLYMERIC DISPERSIONS OF A POLYOLEFIN WITH AN INCOMPATIBLE POLYMER AND A POLYAMIDE DISPERSING AGENT  
3492279 CHLORINATED AMORPHOUS POLYPROPYLENE COMPOSITIONS  
3484339 BLENDS OF POLYESTERS CONTAINING FREE CARBOXYL GROUPS AND LAMINATE THEREOF  
3480569 POLYMER FOAMS REINFORCED WITH POLYAMIDES,POLYESTERS AND POLYCARBONATES  
3474050 POLYMER FOAMS REINFORCED WITH POLYAMIDE,POLYESTER AND POLYCARBONATE FIBERS FORMED DURING THE FOAMING PROCESS  
3473951 CURABLE COATING COMPOSITION AND SELF-SKINNED POLYURETHANE FOAM ARTICLE COATED WITH SAME  
3468972 CONTROL OF BRANCHING AND COUPLING IN LITHIUM-TERMINATED POLYMERS  
3467610 AQUEOUS FLOOR POLISH COMPOSITIONS CONTAINING A WATER-INSOLUBLE ADDITION POLYMER AND A POLYVALENT METAL CHELATE  
3464947 SYNTHETIC POLYESTER SIZING COMPOSITION FOR YARNS  
3449200 PRODUCT AND METHOD OF PRODUCING COMPOSITE POLYESTER TEXTILE RUBBER PRODUCTS  
Matches 301 - 350 out of 445 < 1 2 3 4 5 6 7 8 9 >