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4645799 |
Curable composition of elastomeric vinylidene fluoride copolymer
A curable composition comprising an elastomeric vinylidene fluoride copolymer, an organic peroxide and a vulcanization accelerator, characterized in that said copolymer contains unsaturated bonds...
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4642326 |
Polyvinylidene fluoride base blend polymer
A blend polymer composition, which is superior to polyvinylidene fluoride (PVDF) in impact resistance and retains favorable properties of PVDF, is obtained by blending 1-100 parts, and preferably...
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4621118 |
Sulfurized guayule resin and rubber
Guayule resin is sulfurized such that it has a high softening point of at least 70° C. The sulfurized guayule resin can be utilized in association with conventional rubbers and the end results in...
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4617351 |
Melt extrudable composition of perfluorocarbon polymers
In this invention the extrusion rate of melt extrudable thermoplastic perfluorocarbon polymers is enhanced by the addition of up to 1% by weight of a hydrocarbon polymer.
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4614779 |
Oil- and heat-resistant rubber composition comprising nitrile containing rubber and fluorine containing rubber
An oil- and heat-resistant rubber composition comprising a nitrile group-containing hydrocarbon rubber having an iodine number of not more than 120 and a fluorine-containing rubber.
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4612351 |
Fluoroelastomeric compositions based on vinylidene fluoride, containing small amounts of chlorotrifluoroethylene, having a high adhesion to metals in the vulcanized state
Fluoroelastomeric compositions based on vinylidene fluoride, having a high adhesion to metals in the vulcanized state, and characterized in that they contain small amounts of...
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4606144 |
Monofilament of improved vinylidene fluoride-based resin
A flexible monofilament of at least 0.08 mm in diameter excellent in transparency, high in impact strength and durability and showing a tensile strength of not less than 30 kg/mm 2 and a modulus...
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4606871 |
Method of making a film from pyroelectric and isotropic piezoelectric polymer blends
A pyroelectric and isotropic piezoelectric polymeric film, the film being formed from a blend of polyvinylidene fluoride and at least one polymer miscible therewith at a temperature above the...
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4605695 |
Heat- and abrasion-resistant coating material
A coating material for use in oil-free type sliding members comprising a powder mixture prepared by mixing a finely powdered resin mixture composed of 70 to 90 weight % of finely powdered...
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4596839 |
Elastomer PTFE composition
A composition is disclosed containing particulate polytetrafluoroethylene in amounts from 15 percent by weight to 80 percent by weight incorporated in an elastomer with an amount of molybdenum...
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4596855 |
Elastomeric compositions
An elastomeric composition comprising an elastomer matrix having dispersed therein about 3-30 parts per 100 parts by weight of the elastomer of powdered polytetrafluoroethylene having a number...
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4595724 |
Flame retardant sealant
A fusible flame retardant sealant composition comprised of a homogeneous mixture of polyvinylidene fluoride, methacrylate polymer, and antimony oxide is disclosed. In the preferred embodiment, the...
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4590227 |
Water-swellable elastomer composition
Water-swellable elastomer composition consisting essentially of a homogeneous mixture of an elastomer, a water-absorbent resin and a water-soluble resin. Said composition exhibits a high degree of...
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4581406 |
Fluoroelastomer containing polyethylene composition and process for extruding same
A composition comprising 2-3 wt. % carbon black, 25-1000 ppm and preferably 75-250 ppm of a fluoroelastomer and the remainder polyethylene is disclosed. The fluoroelastomer prevents die buildup...
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4581412 |
Coating composition of vinylidene fluoride copolymer and acrylic polymer
A fluoro-resin coating composition curable at room temperature and capable of providing coatings having an improved transparency or gloss which can be maintained for a long term, as well as...
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4579906 |
ABS moulding materials with improved burning properties and process for their production
The invention relates to flame-resistant ABS moulding materials containing a fluoro-organic polymer besides customary flameproofing additives and to a process for their manufactures.
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4575537 |
Fluororubber-based composition
A fluororubber-based composition comprising a mixture of 100 parts by weight of fluororubber and 10 to 100 parts by weight of an ethylene-vinyl acetate copolymer having a vinyl acetate content of...
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4575533 |
Thermoplastic fluorine-containing resin blend composition
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4557977 |
Polyvinylidene fluoride coatings
A solvent-born coating composition and process for wet-on-wet application to a metal substrate comprises a fluorocarbon resin, an acrylic resin, and various flow modifiers such as benzoguanamine...
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4552925 |
Tetrafluoroethylene/hexafluoropropylene copolymer having improved extrudability
Mixture of tetrafluoroethylene/hexafluoropropylene (TFE/HFP) copolymers comprising 5 to 20% by weight of hexafluoropropylene, the specific melt viscosity at 380° C. of which is from 1×10 4 to...
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4546149 |
Vinylidene fluoride resin composition containing glycidyl (meth)acrylate polymer
A vinylidene fluoride resin composition which comprises 100 parts by weight of vinylidene fluoride resin and 0.1 to 10 parts by weight of glycidyl (meth)acrylate resin, said glycidyl (meth)acrylate...
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4530970 |
Fluoroelastomer composition and lining material made thereof
A fluoroelastomer composition comprising a fluoroelastomer and a polyvinylidene fluoride, wherein the fluoroelastomer is a peroxide-curable fluorinated copolymer elastomer, the polyvinylidene...
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4530971 |
Covulcanizable compositions from fluoroelastomers based on vinylidene fluoride and copolymers tetrafluoroethylene-propylene
A fluoroelastomer (A) based on vinylidene fluoride (40-83% by moles), perfluoropropene (15-35%) and tetrafluoroethylene (0%-30%) and a diamino compound (B), are mixed with a copolymer (C)...
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4520170 |
Method for reinforcing perfluoroelastomer compositions
Fiber reinforced perfluoroelastomer parts having high multidirectional tear strength are prepared by blending the fiber with the elastomer, pulverizing the blend into a powder, and molding and...
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4507439 |
Elastomeric compositions containing treated PTFE
An elastomeric composition comprising an elastomer matrix having dispersed therein about 3-30 parts per 100 parts by weight of the elastomer of powdered polytetrafluoroethylene having a number...
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4495243 |
Release agent and product
A release agent comprising (A) a polymer of at least one vinyl monomer of the general formula CH 2 CR 1 COO(CH 2 CHR 2 O) n CONHR (I) wherein R 1 and R 2 , independently from each other,...
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4489113 |
Fluororubber-based heat-shrinkable tubes and composition therefor
A heat shrinkable tube comprising a mixture of 100 parts by weight of fluororubber and 10 to 100 parts by weight of a crystalline polymer, said mixture being expanded into a tubular form after...
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4481333 |
Thermoplastic compositions comprising vinyl chloride polymer, CLPE and fluoropolymer
The invention relates to a thermoplastic composition which comprises vinyl chloride polymers and chlorinated polyethylene and which contains finely divided fluoropolymers and has a markedly...
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4480066 |
Rubber compositions and articles thereof having improved metal adhesion and metal adhesion retention
Vulcanizable rubber compositions and articles such as tires having improved metal adhesion and metal adhesion retention to brass and brass-plated metallic reinforcement. The improvement comprises...
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4467072 |
Resinous copolymer insulating compositions
A water soluble addition copolymer is formed by reaction admixing a monomer having a pendant vinyl group attached to at least one ring structure selected from the group consisting of nitrogen...
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4454249 |
Reinforced plastics with porous resin fragments
Reinforced easily moldable plastics are provided wherein particles of stretched porous polymer are incorporated into a plastic molding resin material to improve its physical properties without...
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4429078 |
Anisotropic melt-forming polymer composition containing PTFE
Compositions containing a polymer of PTFE and a polymer capable of exhibiting an anisotropic melt characterized in that the compositions contain between 0.05 and 99.5% of PTFE and 0.5 to 99.95% by...
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4423192 |
Lubricated thermoplastic compositions of polyvinylidene fluoride
A process for lubricating polyvinylidene fluoride consisting of introducing into a polyvinylidene fluoride base resin from 0.1 to 10% by weight of low molecular weight polytetrafluoroethylene, in...
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4418176 |
Self-crimping acrylic fiber from a melt of two non-compatible polymers
A self-crimping, melt-spun acrylonitrile polymer fiber comprising as the continuous fiber matrix a first polymer comprising from about 80 to about 99 weight percent acrylonitrile and from about 1...
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4415694 |
Contact enhancing composition
A composition for coating on low pressure sliding connections to enhance electrical contact comprises an admixture of an anhydride copolymer; a flexibilizing copolymer; a hydrophobic, soluble,...
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4413095 |
Vinylidene fluoride resin-based shaped product
A vinylidene fluoride resin composition is obtained by mixing into a vinylidene fluoride resin a copolymer of a monomer (A) having the formula: ##STR1## wherein R 1 is H or CH 3 , and X 1 and X 2...
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4400487 |
Textured fluorocarbon coating compositions
A coating composition useful for providing a substrate with a coating having a textured appearance is composed of, on a resin solids basis, a resinous mixture of: (a) from about 40 percent to...
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4396744 |
Novel fluoroelastomer film compositions containing vinyl copolymers
The invention herein disclosed provides a method for preparing fluoroelastomer film compositions including the steps of dissolving a fluoroelastomer gum selected from the group consisting of...
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4387168 |
Adhesive composition comprising a fluorine containing elastomer and fibrated PTFE
An adhesive composition comprising a low molecular weight fluorine-containing elastomer and fibrillated polytetrafluoroethylene, which is excellent in chemical resistance and weather resistance.
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4382358 |
String of a vinylidene fluoride synthetic resin composition
A string for the stringing of rackets, bows, musical instruments and the like has a thread-like structure comprising at least one monofil of a synthetic resin mixture containing 99-86% by weight of...
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4379858 |
Foamed plastics
A melt-molded foamed plastic composition comprised of a tetrafluoroethylene-perfluoroalkyl vinyl ether resin matrix in which is admixed stretched porous fragments of polytetrafluoroethylene.
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4356284 |
Thermoplastic compositions containing polyvinylidene fluoride and chlorinated polyethylene
Thermoplastic compositions comprising a resin admixture of chlorinated polyethylene with polyvinylidene fluoride are described. These compositions may be formed into a flexible film having...
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4348312 |
Ultra-high-index glass microspheres and products made therefrom with a fluoropolymer and an ester polymer blend
Compositions comprising copolymers of methyl methacrylate and ethyl acrylate and of vinylidene fluoride and hexafluoropropylene may be blended to form transparent compositions of low refractive...
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4328133 |
Organic micro-fiber reinforced rubber compositions
Organic micro-fiber reinforced rubber compositions having high elastic modulus, excellent crack growth resistance, impact cut resistance and rebound resilience and a small swell value are prepared...
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4309328 |
Stable aqueous dispersions of particles of vinylidene fluoride polymer
Coating compositions based on stable aqueous dispersions of particles of vinylidene fluoride polymer are prepared by bringing into admixture unstabilized particles of vinylidene fluoride polymer,...
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4302556 |
Polyvinylidene fluoride filaments
An improved polyvinylidene fluoride resin-made filament. It consists substantially of a blend of 99-wt. % of a first polyvinylidene fluoride resin component having an inherent viscosity higher than...
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4260698 |
Co-crosslinkable blend composition comprising iodine-containing fluoroelastomer
A co-crosslinkable blend composition which comprises (1) an iodine-containing fluoroelastomer, (2) at least one of silicone oligomers, silicone elastomers, fluorosilicone elastomers,...
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4254013 |
Green strength of elastomer blends
The green strength of elastomer blends of natural or synthetic cis-1,4-polyisoprene and synthetic elastomers is improved by adding to the chain of the synthetic elastomer an ionogenic compound. The...
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4252858 |
Coated article and hot melt adhesive comprising fluorocarbon elastomer ethylene copolymer and tackifier
Novel hot melt adhesive comprise a fluoroelastomer, an ethylene copolymer and a tackifier. Preferably the adhesive contains 20 to 40% by weight of the fluorocarbon elastomer, 40 to 60% by weight of...
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4251432 |
Method of providing curable fluoroelastomer gums having coupling agent coated particulate carbonaceous fillers
Elastomer compositions comprising an elastomer gum curable to the solid, elastomeric state in the presence of an organic peroxide free radical initiator, a solid particulate filler, a hydrocarbon...
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