Abstract: Electrically conductive, pressure sensitive adhesive composite formulations comprising adhesive polymers, electrically conductive quaternary ammonium polymers, electrically conductive water soluble and water swellable polymeric fillers for imparting cohesiveness to said composite, and additionally, chemical agents that retard oxidative or microbial degradation of the composite. The composite formulations yield a flexible and extensible material that is suitable as an adhesive for biological electrodes, particularly transcutaneous electrical nerve stimulation electrodes.

Abstract: The present invention provides a process to prepare an oil resistant thermoplastic elastomer composition which contains carboxylated nitrile rubber, polyvinyl chloride and polycaprolactone.

Abstract: A sulfur curable elastomeric composition is shown which exhibits improved resistance to deformation in hot, high gas content environments, such as oil and gas wells. The composition includes a conjugated diolefin polymer rubber, a low molecular weight polubutadiene and a quantity of randomly oriented flocked fibers.

Abstract: Polymer concretes having a high bond strength and/or long working times are made from a curable composition of norbornyl modified unsaturated polyester or polyesteramide resins blended with a polymerizable monomer such as styrene, an aggregate mixture such as sand and gravel and an effective amount of styrene acrylonitrile copolymers, styrene alphamethylstyrene copolymers, or a styrene acrylonitrile copolymer mixture with no more than 25% by weight polystyrene.

Abstract: It now has been found that uncured modified rubber compositions comprising mixtures of elastomers and a reinforcing filler can be prepared having improved properties.

Abstract: A composition for selectively reducing the permeability of the higher permeability zones of a subterranean reservoir having heterogeneous permeability, such permeability reduction extending continuously from nearby the well as far into the reservoir as is desired. Said composition comprises an aqueous solution or solutions of a water-soluble polymer, a material capable under certain conditions of at least partially cross-linking the polymer to form a gelatinuous precipitate, a water-soluble alkaline material in an amount sufficient to maintain the pH of the polymer-containing composition above the pH at which cross-linking occurs until the composition has passed a desired distance through the reservoir, and a temperature-activated water-soluble acidic material dissolved in the aqueous solution in an amount sufficient to lower the pH of the overall solution to the pH at which cross-linking occurs when said solution is subjected to an elevated temperature.

Abstract: Novel light stabilizers, heat stabilizers and oxidation stabilizers for synthetic polymers have been synthesized; these are of the formula: ##STR1## in which R.sub.3 and R.sub.4 can be identical or different and are radicals of formula (III), (IV), (V), (VI) ##STR2## and R.sub.5 additionally can be a radical of formula VII ##STR3## and R.sub.4 is C.sub.2 -C.sub.

Abstract: A dyeable poly-.alpha.-olefin composition having improved dyeablity, is disclosed, comprising a melt kneaded mixture of(A) 100 parts by weight of a poly-.alpha.-olefin;(B) from 1 to 20 parts by weight of an ethylene copolymer having a melt index as defined in JIS K-6760 at 190.degree. C. in the range of from 1 to 1,000 g/10 min, which is composed of(a) from 40 to 95% by weight of ethylene and(b) from 5 to 60% by weight of at least one dialkylaminoalkyl acrylamides comonomer represented by the formula: ##STR1## wherein R.sub.1 represents hydrogen or a methyl group; R.sub.2 and R.sub.3 each represents hydrogen or an alkyl group having from 1 to 4 carbon atoms; and n represents an integer of from 2 ro 4; and(C) from 0 to 3 parts by weight of at least one alkali metal salt of an organic carboxylic acid having from 7 to 24 carbon atoms.

Abstract: A rubber composition capable of giving a highly oil-resistant vulcanizate with an organic peroxide as the vulcanizing agent is proposed. The composition is a blend of an EPM or EPDM rubber and an acrylic rubber loaded with a reinforcing filler, of which the latter rubber is a copolymer having at least two vinylsilyl groups in a molecule as the pendant groups introduced by the copolymerization of one or more acrylic monomers with a vinylsilyl-containing organosilicon compound having an aliphatically unsaturated group copolymerizable with the acrylic monomers in a molecule, such as CH.sub.2 .dbd.CH--CO--O--CH.sub.2 CH.sub.2 CH.sub.2 --Si-- and CH.sub.2 .dbd.CH--C.sub.6 H.sub.4 --Si--. The covulcanizate has the high mechanical strengths of the EPM or EPDM rubber and the high oil resistance of the acrylic rubber in combination.

Abstract: Disclosed herein is an improved process for preparing anionic acrylic latex composition which contains copolymers containing effective amounts of acid groups and amino groups.

Abstract: Disclosed are hot melt compositions having good resistance to flow at temperatures up to 100.degree. C. The compositions are homogenous blends, which consist essentially of (1) an ethylene--mono-unsaturated ester copolymer having a melt index from 2 to about 20, or an ethylene terpolymer having a melt index of from about 6 to about 20; (2) a heat resistant polymer having a crystalline melting point greater than 109.degree. C.; (3) a tackifier resin having a Ring and Ball (R&B) softening point of from about 85.degree. C. to about 110.degree. C.; and (4) a hydrocarbon wax. When the tackifier resin has a R&B softening point of 100.degree. C. to about 110.degree. C., a naphthenic oil must also be added. The compositions may also contain a finely divided inorganic filler when used as an adhesive to produce pile fabrics or for backcoating the primary backing of a tufted carpet. The compositions are useful in the manufacture of carpets.

Abstract: Stabilized acrylic resin having a core of acrylic polymer and a substantially linear stabilizer having one polymerizable functional group at one end of the stabilizer molecule, the resins being useful as rheology control agents for coating compositions.

Abstract: Styrene polymer and copolymer compositions containing both glycerin fatty acid monoester-alkylene oxide adducts and glycerin fatty acid monoesters as antistatic agents produce prolonged antistatic effects unaffected by water washing, showing a resistivity of 10.sup.9 -10.sup.10 .OMEGA., without losing the transparency and mechanical strengths inherent in styrene polymers and copolymers.

Abstract: A thermoplastic resin composition comprising (A) 5 to 90 parts of a vinyl chloride polymer, (B) 90 to 50 parts of an ABS resin and (C) 70 to 5 parts of wood flour, the total amount of the component (A), (B) and (C) being 100 parts. The composition has functions and appearance peculiar to wood, excellent moldability and secondary processability and extremely improved heat distortion resistance.

Abstract: An antistatic composition which essentially consists of (1) optionally and partially salified polystyrenesulfonic acid; (2) acrylic or urethane resin; and (3) aqueous and organic solvents.

Abstract: A roofing membrane composition comprising:(a) a first hydrolyzable polyolefin having a density less than or equal to 0.92 selected from the group consisting of (i) a copolymer of ethylene or propylene and silane and (ii) a silane modified polyethylene, polypropylene, or ethylene/propylene copolymer wherein, in (i) or (ii), the silane is present in an amount of about 0.

Abstract: Cured rubber compositions having modulii at 10% elongation of from about 50 MPa to about 200 MPa are prepared by curing, curable rubber compositions comprising: (a) 100 parts by weight of a rubber selected from the group consisting of natural rubber, nitrile rubber, neoprene and blends thereof; (b) from about 50 to about 100 parts by weight of a metal dimethacrylate selected from the group consisting of zinc dimethacrylate and magnesium dimethacrylate and (c) from about 1.0 to about 6.0 parts by weight of a peroxide curing agent; at temperatures ranging from about 140.degree. to about 180.degree. C. for time periods ranging from about 10 to about 45 minutes. The curable rubber compositions may optionally and in some instances preferably contain from about 0.1 to about 2.0 parts by weight of a co-curing agent.Cured rubber compositions of the invention may be utilized in various applications including for example conveyor belts and tire compounds.

Abstract: Vulcanizable polymeric compositions comprising certain rubbery polymers or polymer blends, a zinc dimethacrylate adjuvant having a surface area of from about 3.7 to about 5.4 m.sup.2 /g or more and a peroxide curing agent are provided. Polymeric compositions which contain 25 parts by weight or more of the zinc dimethacrylate adjuvant per 100 parts by weight of rubbery polymer in the absence of reinforcing fillers exhibit excellent strength and hysteresis characteristcs when cured. The surface area of the zinc dimethacrylate adjuvant along with its method of preparation are extremely important factors in the excellent properties obtained when polymeric compositions containing the adjuvant are cured.

Abstract: Novel light stabilizers, heat stabilizers and oxidation stabilizers for synthetic polymers have been synthesized; these are of the formula: ##STR1## in which R.sub.3 and R.sub.5 can be identical or different and are radicals of formula (III), (IV), (V), (VI) ##STR2## and R.sub.5 additionally can be a radical of formula VII ##STR3## and R.sub.4 is C.sub.2 -C.sub.

Abstract: Novel acrylonitrile butadiene and carboxylated acrylonitrile butadiene elastomeric admixtures compounded with various amounts of mineral fillers such as silicates, silicas, etc., carbon blacks, and plasticizers such as esters, epoxidized polyesters, etc., are useful as continuous temperature-sensitive solids when applied to metallic conductors as coatings whereby one leg acts as a conductor and the other is used as the sensing leg. These electrical properties of these admixtures such as volume resistivity, impedance, and reactance are uniquely sensitive to temperature changes from room temperature to at least 90.degree. C. and thus offer new and important circuit design opportunities for monitoring and detecting temperature changes. These admixtures which are essentially thermosetting may be combined with other resins such as polyvinyl chloride and used thermoplastically. In these cases, the elastomer becomes the plasticizer.

Abstract: An oxidation resistant thickening composition of matter comprising a liquid emulsion copolymer comprising about 0.10 to 50 parts by weight of at least one antioxidant monomer and at least 20 parts by weight of at least one unsaturated carboxylic acid monomer is prepared and used.

Abstract: Rubber mixtures which can be easily processed and have good mechanical properties and are based on synthetic and/or natural grades of rubber, the usual additives also being used, contain a copolymer with a melt viscosity of not more than 150 Pa.s., measured at 180.degree. C., of(a) 20 to 100% by weight of at least one alkyl ester of .alpha.,.beta.-ethylenically unsaturated mono- and/or di-carboxylic acids which contains 1 to 12 carbon atoms in the alcohol radical,(b) 0 to 20% by weight of at least one amide of .alpha.,.beta.-ethylenically unsaturated mono- and/or di-carboxylic acids,(c) 0 to 15% by weight of at least one .alpha.,.beta.-ethylenically unsaturated mono- and/or di-carboxylic acid and(d) 0 to 50% by weight of at least one other .alpha.,.beta.-ethylenically unsaturated copolymerizable monomeric compound, the sum of the percentages in each case being 100. Rubber articles and motor vehicle tires with very good mechanical properties can be produced from these rubber mixtures.

Abstract: A suspension of an aqueous solution of a water-soluble polymer in an organic liquid forming a continuous organic phase, said suspension containing, as an emulsifier, a mixture of two copolymers which are similar but differ in their content of basic nitrogen by 0.1 to 1.5 percentage points.

Abstract: Polymer concrete compositions comprising an unsaturated thermosettable resin(s) and/or ethylenically unsaturated monomer(s), an aggregate component and a water absorbent polymer are cured to provide polymer concrete with enhanced adhesion to substrates, especially wet concrete. A primer or coating composition for concrete comprising a water absorbent polymer and an unsaturated thermosettable composition is also disclosed.

Abstract: According to the invention, a resin composition having an electromagnetic wave shielding effect is provided. The resin composition comprises 35 to 90 wt % of an ABS resin or a mixture of the ABS resin and an AS resin, 1 to 25 wt % of a plasticizer and 5 to 40 wt % of carbon fibers. The carbon fibers are uniformly dispersed in the resin ingredient without being broken or cut at the step of mixing and dispersing the resin components, thus exhibiting improved electromagnetic wave shielding effect.

Abstract: According to the invention, a resin composition having an electromagnetic wave shielding effect is provided. The resin composition comprises 35 to 90 wt % of an ABS resin or a mixture of the ABS resin and an AS resin, 1 to 25 wt % of a plasticizer and 5 to 40 wt % of carbon fibers. The carbon fibers are uniformly dispersed in the resin ingredient without being broken or cut at the step of mixing and dispersing the resin components, thus exhibiting improved electromagnetic wave shielding effect.

Abstract: A coating color possessing desirable rheological and other properties is prepared from a binder composition comprising two polymeric components wherein one of said polymeric components is a lightly cross-linked copolymer derived from an ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, an unsaturated carboxamide and, optionally, one or more other comonomers. Paper coating with the coating colors containing the binder composition exhibit high binding strengths and excellent printability.

Abstract: An element for electrophoresis comprising the following three-layer structure laminated in the order:(I) a support layer;(II) an adhesive layer comprising a polymer having at least one specifically selected repeating unit; and(III) a medium layer for electrophoresis comprising an aqueous polyacrylamide gel formed by crosslinking polymerization of an acrylamide compound and a crosslinking agent in the presence of water.

Abstract: The present invention relates to a process for the viscosification of an organic liquid which comprises the steps of forming a first solution of a polymer containing carboxylic acid side groups dissolved in the organic liquid; forming a second solution of a basic polymer in the organic liquid and mixing the first and the second solutions together to form an interpolymer complex of the acid containing and basic polymers in the organic liquid, wherein the organic liquid containing the interpolymer complex has improved viscosification properties. This solution possesses higher viscosity than the mean of the separate viscosities of the starting solutions at relatively low solids content. Moreover, these interpolymer complexes, in hydrocarbon solutions, can be formulated to exhibit shear thickening at increased shear rates. This property is useful in such technological applications as antimisting of the solvent.

Abstract: An antistatic polymer blend composition and articles made therefrom are disclosed. The composition comprises, based on parts by weight: (a) polyvinyl chloride: 100 parts; (b) carboxylated nitrile terpolymer: 30-40 parts; (c) nonionic antistatic agent: 5-8 parts; (d) metallic stabilizers: 2-5 parts; (e) epoxidized oil: 5-10 parts; (f) primary plasticizer: 50-90 parts; and (g) lubricant: 1-2 parts. A method of protection against the effects or build up of antistatic electricity employing articles made from the composition of the present invention is also disclosed.

Abstract: A glass fiber-reinforced heat resistant resin composition which comprises:from 5 to 90% by weight of a pelletized polymer (A) obtained by suspension-polymerizing a vinyl aromatic monomer optionally together with an unsaturated nitrile monomer and a vinyl monomer copolymerizable therewith, in the presence of chopped glass fiber strands, and comprising from 50 to 90% by weight of the chopped glass fiber strands and from 50 to 10% by weight of a resin component consisting essentially of from 40 to 100% of residues of the vinyl aromatic monomer, from 0 to 60% of residues of the unsaturated nitrile monomer and from 0 to 30% of residues of the copolymerizable vinyl monomer;from 95 to 10% by weight of a polymer (B) comprising from 10 to 50% of residues of a maleimide monomer, from 90 to 50% of residues of a vinyl aromatic monomer, from 0 to 10% of residues of maleic anhydride and from 0 to 30% of residues of a vinyl monomer copolymerizable therewith.

Abstract: Including certain carboxy-terminated butadiene-acrylonitrile copolymers in natural rubber formulations increases their tear strength, and hardness properties.

Abstract: The invention relates to a structurally viscous thickener which contains a copolymer of acrylic acid and acrylamide, a polyacrylic acid and optionally a solvent, emulsifiers, a neutralizing agent and a deaerator as additional components. The thickener may be in the form of a water-in-oil emulsion and is particularly suitable for use in printing pastes for dyeing and printing fibre material, especially textile fabrics.

Abstract: The present invention relates to aqueous solutions having dilatant properties in which the aqueous solution contains a polymer complex which is a water soluble polymer backbone containing an anionic comonomer and a copolymer of a water soluble polymer backbone containing a cationic comonomer.

Abstract: A medium for electrophoresis in the form of an aqueous gel comprising an acrylamide copolymer having at least one specifically selected repeating unit; and a compound containing at least one carbamoyl group such as urea or formamide which serves as modifier.

Abstract: Dilute aqueous solutions of high molecular weight polymers of acrylamide or methacrylamide or of homopolymers or copolymers of salts of ethylenically unsaturated C.sub.3 -C.sub.5 -carboxylic acids are stabilized to thermal degradation by adding (a) at least 20 ppm of an inorganic sulfur compound, in which the sulfur has an oxidation number of +2 to +5, and (b) at least 20 ppm of a complexing agent for metal ions.

Abstract: An element for electrophoresis comprising the following three-layer structure laminated in the order:(I) a support layer;(II) an adhesive layer comprising a copolymer having at least one specifically selected repeating unit; and(III) a medium layer for electrophoresis comprising an aqueous polyacrylamide gel formed by crosslinking polymerization of an acrylamide compound and a crosslinking agent in the presence of water, and a compound containing at least one carbamoyl group (modifier).

Abstract: Paper having improved printability in rotogravure printing is provided by coating a paper substrate with an aqueous coating formulation containing a pigment such as kaolin clay, a binder such as a styrene/butadiene/itaconic acid terpolymer and a polyamidoamine such as the reaction product derived from ethylene diamine and methylacrylate.

Abstract: A cover composition for golf balls having an improved impact resistance which comprises an ionomer resin and 1 to 15 parts by weight of a linear low density polyethylene per 100 parts by weight of the ionomer resin.

Abstract: Poly(vinyl chloride) resin compositions containing an ethylenically-unsaturated compound having carbonylamino or thiocarbonylamino groups. These compositions are readily convertible at low temperatures to crosslinked polymers and are radiation-curable to dimensionally stable articles and films that are clear and that do not exude oily materials.

Abstract: A vinyl chloride resin composition for production of hard articles. The composition comprises 100 parts by weight of a graft polymer and not more than 40 parts by weight of electrically conductive carbon black. The graft polymer is obtained by polymerizing 99 to 60% by weight of vinyl chloride or a monomeric mixture composed of at least 80% by weight of vinyl chloride and not more than 20% by weight of a monomer copolymerizable with it in the presence of 1 to 40% by weight of a copolymer composed of 5 to 75% by weight of methyl methacrylate and 95 to 25% by weight of ethylene.

Abstract: An improved aqueous slurry process for preparing reinforced polymeric composites in the absence of a flocculant comprising the steps of forming an alkaline aqueous slurry comprising a reinforcing material, a heat fusible organic polymer and a binder comprising a salt of an ethylene acrylic acid copolymer having an acrylic acid content from about 12 to about 30 percent by weight copolymer solids and adjusting the pH value of the slurry such that the binder is destabilized to coagulate the slurry. A product formed by the improved process is also provided.

Abstract: An element for electrophoresis comprising the following three-layer structure laminated in the order:(I) a support layer;(II) an adhesive layer comprising a polymer having at least one specifically selected repeating unit; and(III) a medium layer for electrophoresis comprising an aqueous polyacrylamide gel formed by crosslinking polymerization of an acrylamide compound and a crosslinking agent in the presence of water, and a compound containing at least one carbamoyl group (modifier).

Abstract: An element for electrophoresis comprising the following three-layer structure laminated in the order:(I) a support layer;(II) an adhesive layer comprising a polymer having at least one specifically selected repeating unit;and(III) a medium layer for electrophoresis comprising an aqueous polyacrylamide gel formed by crosslinking polymerization of an acrylamide compound and a crosslinking agent in the presence of water.

Abstract: This invention relates to extrusion and injection moldable type elastomeric compositions having improved compression set properties and having a viscosity at 200.degree. C. at 0.73 sec.sup.-1 of about 8.times.10.sup.3 to about 8.times.10.sup.5 poises. The compositions used for elastomeric articles include a major portion of neutralized sulfonated EPDM terpolymer and a minor portion of an unsulfonated EPDM terpolymer or EP copolymer and optionally less than about 150 parts by weight of a non-polar process oil per 100 parts of the sulfonated polymer; less than about 300 parts by weight of a filler per 100 parts of the sulfonated polymer; and a preferential plasticizer at about 1 to about 60 parts by weight per 100 parts of the sulfonated elastomeric polymer.These blend compositions can be readily processed due to their superior rheological properties on conventional plastic fabrication equipment into elastomeric articles having improved compression set properties characteristics.

Abstract: The present invention relates to aqueous solutions having dilatant properties in which the aqueous solution contains a polymer complex which is a water soluble polymer backbone containing an anionic comonomer and a copolymer of a water soluble polymer backbone containing a cationic comonomer.

Abstract: A coating composition which cures at ambient temperatures of 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, the binder contains:A. an acrylic amino ester polymer of polymerized monomers of methyl methacrylate and monomers from the group of alkyl methacrylate and alkyl acrylate each having 2-12 carbon atoms in the alkyl group and the polymer has pendent amino ester or hydroxy amino ester groups wherein the amine group is a primary; andB.

Abstract: A golf ball having an improved low temperature impact resistance, which comprises a core and a cover made of a cover composition containing an ionic copolymer having at least two different metal ions in one molecule. The cover composition is prepared by kneading a sodium ion type ionic copolymer having free carboxyl groups and a metal oxide such as magnesium or zinc oxide at high temperatures, whereby the metal oxide is reacted with the ionic copolymer to incorporate the metal ion such as magnesium or zinc ion into the ionic copolymer.

Abstract: The present invention relates to viscosification agents for aqueous solutions in which the viscosification agents are mixtures of water soluble polymer backbone containing an anionic comonomer and a copolymer of a water soluble polymer backbone containing a cationic comonomer.

Abstract: Blends comprising at least two aqueous nitrile resin latexes which differ in film forming characteristics and dry film properties are useful in many applications as protective coatings. These blends are particularly useful as corrosion resistant coatings for metal substrates.