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4536450 |
Nonlinear optical materials and processes employing diacetylenes
Novel nonlinear optical, piezoelectric, pyroelectric, waveguide, and other materials are presented together with processes for their employment and articles formed thereby. Such materials,...
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4533604 |
Pressure-sensitive and conductive rubber
This invention relates to a pressure-sensitive and conductive rubber, wherein an involatile or volatile liquid organic substance is impregnated with and swelled in a composite conductive rubber...
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4528241 |
Chemically modified asphalts and glass fibers treated therewith
Improved chemically modified asphalts are provided of the type which is the reaction product of asphalt, a vinyl aromatic monomer and a rubbery polymer. The improved compositions are capable of...
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4521489 |
Low temperature cure coating system suitable for metal and plastic substrates
A low temperature cure coating system exhibiting high performance characteristics, particularly solvent resistance and impact resistance, which is capable of being applied to either metal or...
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4520068 |
Reinforced support sheet and method for making same
A reinforced support sheet or plate, especially for making flat gaskets or heat dampening plates is made of a sheet or plate-like support material which is covered with a vulcanizable soft material...
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4511619 |
Sealing sheet of elastomeric synthetic resins with textile reinforcement on outer layer
A sealing sheet for the building industry made up of at least one layer which contains an elastomeric synthetic resin that is devoid of, i.e., free of vulcanization accelerator, and that contains...
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4511628 |
Rubber articles having improved metal adhesion and metal adhesion retention employing bis(2-mercaptobenzothiazato) nickel
Rubber compositions and metal-reinforced rubber ply members have improved metal adhesion and metal adhesion retention. The improvement comprises admixing from about 0.5 to about 10.0 parts per...
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4505971 |
Fluoroplastic and metal laminate having rubber compound bonded layers
A process and composition for adhering a rubber compound to a fluoroplastic and/or to metal. The invention contemplates the use of separate, sequentially applied adhesive layers to the...
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4503099 |
Heat transfer surfaces having scale resistant polymer coatings thereon
A variety of coating resin latices may be deposited on metallic surfaces in the form of thin, pin hole-free polymer films from an alkaline latex comprising the coating latex, a cyanide salt and a...
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4499145 |
Metal-clad laminate and process for producing the same
A metal-clad laminate comprising a base plate composed of a plurality of electrically insulating material layers and a metal foil or foils laminated on one side or both sides of the base plate,...
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4499154 |
Dipped rubber article
A skin-contacting coating of a lubricating hydrogel polymer bonded to a rubber article (such as a surgeon's glove) is treated by means of surfactant material (such as a bactericidal cationic...
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4493867 |
Stretch film for wrapping and a resin composition therefor
The stretch film useful for wrapping is described which comprises a resin composition composed of: (1) from about 90 to 99.6 wt % of a resin A selected from the group consisting of...
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4485136 |
Ambient temperature repair of elastomeric articles having a hollow therein
The repair of a reinforced elastomer article having a hollow therein relates to utilizing an amine curable polymer or prepolymer and a cured elastomer patch. The hollow in the elastomer as well as...
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4485135 |
Ambient temperature cure of elastomeric articles having a deformity therein
The repair of a reinforced elastomer article having a deformity such as a cut, cavity, or an aperture therein relates to utilizing an amine curable polymer or prepolymer and a cured elastomer...
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4485145 |
Chemically modified high oil asphalt
A chemically modified asphalt composition is provided which is especially adapted for use in the repair and maintenance of highways. The composition is a reaction product of a high oil asphalt, a...
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4480005 |
Thin layer thermoplastic polymer bonded covalently at its surface to a mineral component
A polymer reinforcing material, consisting of a particulate or filamentary mineral component having a thin polymer-interactive layer, averaging about 5-500 Angstrom in thickness, of silicon-free...
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4480012 |
Contact adhesive and adhesive system for EPDM and related elastomers
An adhesive composition for bonding cured layers of EPDM together is provided which comprises a neutralized sulfonated EPDM elastomeric terpolymer, an organic hydrocarbon solvent or mixture of an...
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4478903 |
Composite plastics sheet having conductive surface
A composite plastics sheet made of a polystyrene base resin or an ABS base resin is provided. The composite plastics sheet has a conductive covering layer laminated by co-extrusion on the face of...
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4477521 |
Light transparent body of coextruded synthetic resin
What is disclosed is a light-transparent body comprising a first coextruded layer of a first extrudable light-transparent synthetic resin and a second coextruded layer of a second extrudable...
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4473606 |
Foils
An anticorrosion perforated foil for fusion onto metal substrates comprising 60 to 90% by weight of bitumen, 0.5 to 7% by weight of styrene-butadiene rubber, 5 to 25% by weight of a bitumen...
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4469859 |
Curable resin composition comprising cyanate ester and cyclopentadiene
A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) polyfunctional cyanate ester, prepolymer of the cyanate ester, or coprepolymer of the cyanate ester and...
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4463080 |
Polymeric mordants
Photographic elements and diffusion transfer assemblages are described which contain a novel polymeric mordant comprising recurring units having the formula ##STR1## wherein A represents recurring...
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4461809 |
Surface treating agent as an undercoat on surface of polyolefin shaped articles
A surface treating agent for a shaped article of a polyolefin is provided which is composed of a solution in an organic solvent of a propylene-ethylene copolymer having a monoalkyl ester of a...
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4456660 |
Coextruded two-ply laminate films of low density polyethylene and blend of polybutene-1 and polyethylene or polypropylene
There are provided coextruded two-ply laminate films in which one of the lamina is low density polyethylene and the other is a blend of 10-50 weight percent polybutene with 90-50 weight percent...
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4456646 |
Laminate film having a heat-shrinkage rate greater than 15 percent at 90° C.
Described is a laminate film excellent in oil-resistance, heat-resistant sealing ability, peel resistance and gas-barriering property having a percentage of heat-shrinkage of larger than 15% at...
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4453988 |
Coatings for rusted metallic surfaces
A method is disclosed for coating rusted matallic surfaces which comprises (a) removing loose rust particles by superficial surface treatment, (b) applying a coating containing about 55-95% by...
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4447488 |
Shaped article of a synthetic resin and/or natural rubber and process for the production thereof
A shaped article of a polymeric material has a shaped structure containing at least one polymeric component which is weldable, e.g. by heat, and at least one polymeric component which can be...
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4444841 |
Extruded AES film
An extruded AES film in which the AES contains 15-30% rubber having a thickness of 1 to 10 mils, and a laminate of such film to another material, such as a metallic or cellulosic base.
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4444840 |
Calendered AES film
Calendered AES film containing 25-40% rubber; usually pigmented.
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4440825 |
Laminate with skin based on AES graft copolymer
A laminate having at least two layers, one of which comprises an AES graft copolymer composition, the other layer being a rigid foamed plastic.
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4439590 |
Acetylene-terminated aromatic enyne resins and method of production thereof
Novel poly-aromatic ethynyl-terminated enyne compounds of the formula: ##STR1## are provided together with a method of production thereof, wherein R 1 is a strong electron withdrawing moiety and n...
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4438171 |
Coextruded product of AES-thermoplastic graft copolymer
Laminate comprising AES of the dicyclopentadiene type coextruded onto a thermoplastic resin layer such as ABS.
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4436886 |
2-Phenylbanzothiazole polymers
Mono- and di-acetylenic-substituted 2-phenylbenzothiazoles are thermally self-polymerized to form thermally stable polymers. The polymers are useful as laminating resins for fibrous composites,...
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4435466 |
Multi-layered sealing sheet of elastomeric synthetic resin
A multi-layered sealing sheet for the building industry is prepared so that all plies which contain elastomeric synthetic resins are devoid of vulcanization accelerator and consist of an...
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4435472 |
Adherent, acid cured resin protective coatings for concrete and steel
Acid cured, polymer protective layers are bonded to metal or cement surfaces using a primer coating of an acid stable, thermoplastic elastomer such as a block copolymer of styrene-butadiene.
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4424259 |
Articles from alkadiene-vinyl arene copolymers heat-bonded to vinyl chloride polymers
Shaped articles are formed from a composition comprising a mixture of (1) a thermoplastic elastomer copolymer of at least one conjugated diene and at least one vinyl arene, preferably a...
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4424253 |
Laminated sheet structures
Blends of chlorinated hydrocarbon rubber selected from chlorosulfonated polyethylene having about 22-28 weight % Cl and 0.4-1.2 weight % S and chlorinated polyethylene having about 22-28 weight %...
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4421806 |
Low density resin systems for improved filament-wound composites useful as rocket motor cases
Filament-wound composite bodies are disclosed. These bodies contain filament-wound fibers and resin. The resin, when cured, has a density of less than 1.05 g/cc and exhibits a water pick up of less...
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4419481 |
Small particle size latex useful as a pressure sensitive adhesive
A pressure-sensitive adhesive is prepared by blending (1) a small particle size latex having a hard monomer (such as styrene), a soft monomer (such as butadiene) and, optionally, an acid (such as...
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4418114 |
Coextruded thermoplastic stretch-wrap
This present invention relates to novel coextruded thermoplastic film and the employment of such multi-layer film as stretch-wrap material for packaging of goods, including relatively large...
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4413036 |
Two-layer metal-effect coating and a process for its production
A two-layer metal-effect coating, composed of a base layer which contains metal pigments and of a clear top coating, at least the base layer being obtained from a coating agent which contains as...
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4409286 |
Composite thermoplastic films and a process for their preparation
A composite film for packaging foods having at least one layer of a thermoplastic film of low density polyethylene, polypropylene, polybutene, polyamide, polystyrene or polyvinyl chloride having a...
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4407890 |
Rubber articles, particularly moulded rubber articles for use in sanitary fittings
The invention relates to rubber articles, particularly spray forming means and spray jet forming means respectively, and their use in sanitary fittings. These are produced by vulcanization of a...
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4399249 |
Resealable pressure sensitive adhesives and products
Pressure sensitive adhesive compositions are provided that are especially suitable for forming contact bonds that are resealable to polyethylene surfaces at room temperature. Such adhesive...
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4387913 |
No-carbon copying paper
There is disclosed no-carbon copying paper composed fundamentally of a color former sheet produced by coating a support with microcapsules containing a colorless electron-donative organic compound...
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4382115 |
Film coated with solution containing a vinylidene chloride copolymer and surface active agent
A plastic film is coated with a coating solution containing a vinylidene chloride copolymer and a surface active agent and thereby provided with an excellent gas barrier property to oxygen gas and...
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4379806 |
Pressure-sensitive adhesive tape and process
Pressure-sensitive adhesive tapes with various backing films are prepared by a single step process of coextruding a backing film-forming composition and an adhesive composition. No primer is...
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4374892 |
Moisture resistant insulating mica tape comprising a monoalkoxy titanate
An electrical insulation tape is disclosed comprising a sheet of mica paper impregnated with a B-staged polybutadiene polymer, a woven glass scrim next to the mica paper, a block copolymer sealing...
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4370371 |
Rubber disc for a record player turntable
A rubber sheet for a turntable characterized by being a cured molding of a rubber composition, the cured molding having a hardness within the range from 30° as measured with an A-type rubber...
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4362785 |
Polymers containing 2,5-oxolanylene segments
Polymers containing recurring 2,5-oxolanylene units wherein at least 60 percent of the units are joined directly to one another so as to provide segments consisting of at least 6 of said units.
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