Abstract: Aqueous polymer dispersions are obtained by polymerizing a monomer mixture which contains from 10 to 100% by weight of halogenated monomers by radical emulsion polymerization in aqueous medium, adjusting the pH of the aqueous phase of the resulting aqueous polymer dispersion to from 5 to 10 by addition of bases which differ from ammonia and from primary and secondary amines, and adding from 0.005 to 1% of the weight of the monomer mixture of one or more substances from the group comprising glycerol, pivalic acid, paraldehyde, 2,6-di-tert-butyl-p-cresol, benzophenone, alkyl-substituted benzophenones, thiosulfuric acid and salts thereof, and oxalic acid and salts thereof, it being possible to add both the bases and the one or more substances before, during and/or after the emulsion polymerization.

Abstract: What is disclosed is an improved thermoplastic composition for use in wire and cable manufacturing processes, which features the use of from about 15 to 45 percentage by weight of a modified furnace carbon black having a specific surface area of from about 35 to 250 m.sup.2 /g, preferably 35 to 60 m.sup.2 /g, as measured by the nitrogen adsorption surface area method. The modified carbon black is prepared by combining the carbon black with a specified amount of amine, under certain conditions, and heating the reactive mixture for an extended period.

Abstract: Perfluoroelastomer compositions substantially free of elemental carbon, having selected metallic reinforcing filler and titanium dioxide, when cured, exhibit excellent performance characteristics in dry process semiconductor sealing applications.

Abstract: In accordance with the present invention, there are provided adhesive formulations containing small amounts of bleed control agent, which render the invention compositions extremely resistant to resin bleed. Several different types of bleed control agents are contemplated for use in the practice of the present invention, e.g., cationic surfactants, tertiary amines, tertiary phosphines, amphoteric surfactants, polyfunctional compounds, and the like, as well as mixtures of any two or more thereof.

Abstract: A non-ozone depleting, non-flammable co-solvent composition useful as a carrier for actives such as accelerators, catalysts, initiators, activators and other primer materials for use as adhesive promoter compositions in combination with adhesive compositions. The co-solvent compositions include an azeotropic solution of a perfluorocarbon and an alkylsiloxane.

Abstract: The present invention relates to a process for preparing polymeric particles which is specially designed to be served as an opacifying agent in coating compositions such as water-borne paints, paper coating compositions and molding compositions which have white or light color shades. In more detailed description, this invention is concerned with the process for making an aqueous dispersion of core-shell emulsion polymer particles comprising (1) preparing the core by polymerizing carboxylic acid monomers with other monoethylenically unsaturated monomers, (2) encapsulating said core with a rigid polymer shell by polymerizing shell-forming monomers, in the presence of said core particles, which are fed in such manner that compositional contents of monomers entering to a polymerization zone is changing gradually thoughout the period of monomer feeding, and (3) neutralizing with base so as to swell said core and form particles which, when dried, contain at least one void.

Abstract: A phosphite is provided having the formula: ##STR1## wherein Y.sup.1 is an alkyl group and Y.sup.2 is selected from the group consisting of sec-butyl and tert-butyl. A solid amorphous phosphite composition is also provided which preferably contains an aliphatic polyamine. The phosphite exhibits enhanced stability including hydrolyric and UV stability, and is useful in stabilizing thermoplastic compositions. The phosphite composition exhibits further enhancements in hydrolytic stability, and is useful in stabilizing thermoplastic compositions.

Abstract: A stabilized non-conductive polyaniline solution comprising from about 1 to bout 10 percent by weight polyaniline or a polyaniline derivative, from about 90 to about 99 percent by weight N-methylpyrrolidone, and from about 0.5 percent by weight to about 15 percent by weight of a solution stabilizing additive selected from the group consisting of hindered amine light stabilizers, polymeric amines, and dialkylamines, percent by weight of additive based on the total weight of polyaniline or polyaniline derivative is provided together with a method for stabilizing a polyaniline solution.

Abstract: Dip molding of thermoplastic polyurethane elastomers to form medical and surgical gloves, condoms, instrument and appliance covers, and other rubber goods is improved by a controlled viscosity, controlled rate of evaporation solvent system, including a strong polar solvent, a weak solvent or non-solvent to control viscosity, and a blush resistor to control the rate of evaporation and the effects of humidity. For particularly enhanced barrier film formation, a leveling agent is also included. One or more layers are dipped in sequential steps in thicknesses of 0.5 to 1.5 mils per layer, with complete integral film formation and substantially complete freedom from porosity and pin holes. Cross-linkable polyurethanes may be cured after fully molded.

Abstract: A rubber composition for a tire is provided which is excellent in wet grip performance on a wet road surface and in fuel saving performance. A tire tread and a tire which include such a rubber composition are also provided.

Abstract: Dip molding of thermoplastic polyurethane elastomers to form medical and surgical gloves, condoms, instrument and appliance covers, and other rubber goods is improved by a controlled viscosity, controlled rate of evaporation solvent system, including a strong polar solvent, a weak solvent or non-solvent to control viscosity, and a blush resistor to control the rate of evaporation and the effects of humidity. For particularly enhanced barrier film formation, a leveling agent is also included. One or more layers are dipped in sequential steps in thicknesses of 0.5 to 1.5 mils per layer, with complete integral film formation and substantially complete freedom from porosity and pin holes. Cross-linkable polyurethanes may be cured after fully molded.

Abstract: An improvement in barrier properties of films and molded articles containing an organic polymer is achieved by incorporation therein of fluorochemicals, fluoropolymers or mixtures thereof, wherein said fluorochemicals or fluoropolymers contain greater than 40% fluorine by weight and exhibit less than 20% weight loss at 165.degree. C., as measured by thermogravimetric analysis at 20.degree. C. per minute in air. The films and molded articles in accordance with the present invention exhibit improved vapor and chemical barrier properties.

Abstract: A room temperature curable rubber composition of a condensation curing type that comprises as a base polymer a diorganopolysiloxane or a polyoxyalkylene in which both ends of the molecular chain are blocked with a hydrolyzable silyl group, and a carbonyl compound, an amino group containing organic compound, and an .alpha.,.beta.-unsaturated carbonyl compound that are blended with the base polymer. Since the room temperature curable rubber composition is cured with water in the air and at the same time the dehydration condensation of the carbonyl group and the amino group produces water in the composition, the quick curability and deep curability are improved remarkably.

Abstract: This invention relates to a sprayable adhesive that, when applied to a substrate, exhibits a color that confirms where it has been applied and then fades upon drying.

Abstract: Blooming on the surface of products molded from an olefinic thermoplastic elastomer composition containing an olefinic thermoplastic elastomer and one or more additives which promotes such blooming is prevented by compounding into the elastomer one or more compounds selected from the group consisting of esters of polyhydric alcohols, alkylalkanolamines, alkylalkanolamides, fatty acid amides, higher alcohols, aliphatic amines, fatty acids and adducts of alkylene oxides to these compounds. The composition thus can be advantageously used as interior materials of automobiles and materials for electronic instruments.

Abstract: A composition for low hardness, fluorine-containing rubber comprising solid fluorine-containing rubber, liquid fluorine-containing rubber, an aliphatic amine having an alkyl group having at least 8 carbon atoms and a perfluoropolyether has a good mold releasability at the vulcanization molding and can produce a vulcanized product having a JIS A hardness, according to JIS K-6301, of not more than 50 and less adhesiveness to a metal.

Abstract: Synthetic organic fibers containing finely divided, inorganic particles that have certain organic polymeric coatings have significantly less abrasiveness compared to identical fibers in which the particles have no such coatings.

Abstract: The present invention relates generally to packaging materials which enhance food freshness, particularly for foods having a high fat content. The packaging materials of the present invention comprise an aldehyde scavenger, such as, polyethylene imine, and optionally, an oxygen scavenger.

Abstract: The present invention provides shelf-stable RTV silicones which are useful for preparing sealants, caulks, adhesives, coatings, molding materials, lithographic plates, release liners and reflective sheets. The silicone composition of the present invention comprises: (a) a curable silicone polymer, e.g., vinyl-containing organopolysiloxane, (b) a crosslinker, e.g., organohydrogenpolysiloxane, (c) a platinum catalyst of the Karstedt type and (d) an amine stabilizer.

Abstract: A new polysilane composition usable as an organic semiconductor which contains a specific polysilane compound of 6000 to 200000 in a weight average molecular weight in which all the substitutional groups and end groups being substituted by specific organic groups not containing oxygen atom, said polysilane compound not containing chlorine atom, and an acceptor level forming material or/and a donor level forming material.

Abstract: The present invention relates generally to recycled plastics which exhibit noxious odors. More specifically, the present invention is directed to a method of reducing unwanted odors in such recycled plastics by incorporating a polyalkylene imine ("PAI"), more preferably polyethylene imine ("PEI").

Abstract: The present invention relates generally to compositions of polyalkylene imine ("PAI"), particularly polyethylene imine ("PEI") and polyolefin polymer (including copolymers and derivatives thereof); such compositions can be used in producing packaging films for oil containing foods, whereby the film is capable of scavenging unwanted aldehydes from the food product. The preferred compositions comprise a PAI substantially discontinuous phase and a olefinic polymer (including copolymers or derivatives thereof) substantially continuous phase in a weight ratio of PAI to olefinic polymer of about 0.001-30:100 which optionally also includes a binding agent.

Abstract: Glycoluril based amino resin powder coating compositions have improved flow out and viscosity characteristics when a rheology improving additive selected from alkali metal oxides, alkali metal hydroxides, alkali metal carbonates, alkaline earth metal carbonates, alkaline earth metal oxides, alkaline earth metal hydroxides, aluminum oxides, aluminum hydroxides, aluminum carbonates, zinc salts of long chain fatty acids, aluminum salts of long chain fatty acids, monoamines, dismines, or mixtures thereof are added.

Abstract: Elastomers are very effectively stabilized against thermal and oxidative degradation at elevated temperatures with a blend of an N,N,N',N'-tetrasubstituted 1,4-diamino-2-butene, where the substituents are alkyl, cycloalkyl, aralkyl, aryl or mixtures thereof, in combination with a mercaptoimidazole of formula IV ##STR1## where E is hydrogen, alkyl, cycloalkyl, aryl or phenylalkyl.

Abstract: When tris(2-hydroxyethyl) isocyanurate and a long chain amine are employed together in intumescent flame retardant compositions, tris(2-hydroxyethyl) isocyanurate bloom is substantially reduced or even eliminated, and yet the flame retardant effectiveness of the tris(2-hydroxyethyl) isocyanurate is substantially retained.

Abstract: The combination of an ethylene/acrylic acid copolymer and a water soluble amine salt of a fatty acid is useful as a hydrophilic coating for the surfaces of fins in a heat exchanger. The exchanger is more efficient because the coating prevents the blockage of air flow by beads of condensed water which would otherwise build up in the narrow spaces between the fins.

Abstract: At least one antistatic agent is incorporated into a thermoplastic polymer by contacting a polyvinyl chloride polymer with a solution comprising a solvent capable of swelling the PVC surface and at least one antistatic agent selected from the group consisting of 1-dodecylpyridinium chloride monohydrate and (R.sup.1).sub.n (R.sup.2).sub.m ammonium halide, wherein n and m are integers of from 0-4 and n+m=4, and wherein R.sup.1 and R.sup.2 can be different or the same and are alkyl groups of from 1 to 20 carbon atoms.

Abstract: A polyvinyl chloride-free plastisol comprisesa) 5 to 50% by weight of a methyl methacrylate-homopolymer or coplymerb) 10 to 50% by weight of a plasticiser,c) 20 to 70% by weight of a fillerd) 2 to 30% by weight of a blocked poly isocyanate, ande) 0.2 to 5% by weight of a polyamine. The plastisol is particularly useful for sealing spot welded joints in, for example, motor vehicle manufacture.

Abstract: N,N,N',N'-Tetrasubstituted 1,4-diamino-2-butynes or N,N-disubstituted propargylamines where the substituents are alkyl, cycloalkyl, phenylalkyl, aryl or mixtures thereof provide effective antioxidant protection to lubricants and/or synthetic polymers.

Abstract: The invention relates to a triboelectrically processable powder coating based on a polyester-containing binding agent and a nitrogen-containing additive. The nitrogen-containing additive is a sterically hindered tertiary amine or aminoalcohol.

Abstract: Lightweight building board based on mineral fibers A and thermoplastic binders contains, based on A,from 1 to 25% by weight of a copolymer B having a glass transition temperature of from 70.degree. to 105.degree. C., composed essentially offrom 50 to 98% by weight of methyl methacrylate I,from 2 to 50% by weight of one or more acrylic esters II of C.sub.1 -C.sub.8 -alkanols, andfrom 0 to 2.5% by weight of one or more crosslinking monomers III as binder,from 0 to 150% by weight of filler C,and, based on B,from 0.2 to 15% by weight of one or more amines F of the formula ##STR1## where R is C.sub.8 -C.sub.18 -alkyl or C.sub.8 -C.sub.18 -alkenyl,U and V are each C.sub.2 -C.sub.4 -alkylene,X and Y are each hydrogen, C.sub.1 -C.sub.18 -alkyl or C.sub.2 -C.sub.18 -alkenyl, andn and m are each an integer from 0 to 10,or an acid addition salt thereof.

Abstract: A rubber composition capable of giving a vulcanized rubber having improved rebound and elongation at break. The composition consists essentially of(1) 100 parts by weight of a rubber component composed of (a) 10 to 100% by weight of a modified conjugated diene polymer obtained by reacting a conjugated diene polymer having an alkali metal and/or an alkaline earth metal bonded thereto with a compound containing the ##STR1## bond in which M represents an oxygen or sulfur atom in the molecule, said modified conjugated diene polymer consisting essentially of 50 to 100% by weight of at least one C.sub.4 -C.sub.12 conjugated diene monomer and 0 to 50% by weight of an aromatic vinyl monomer, the amount of said compound bonded being at least 0.

Abstract: The present invention provides crosslinked ampolytic copolymers that are highly absorbent to aqueous electrolyte solutions.

Abstract: Polyurethane/urea foams are derived from prepolymers having branched chain linked isocyanate end groups and components containing isocyanate reactive imino/enamino-functional compounds.

Abstract: Isocyanate-reactive polymers having terminal enamino-functional groups are obtained by reacting ammonia or primary or secondary amines with polymers having terminal .beta.-ketoester groups which are themselves obtained by reaction of polyols with .beta.-ketoesters such as ethyl acetoacetate.

Abstract: A first crystalline polyolefin composition is provided, comprising 100 parts by weight of a crystalline polyolefin, (A) from 0.001 to 1 part by weight of a fluorophosphite compound represented by formula (I): ##STR1## wherein R represents an alkylidene group having from 1 to 4 carbon atoms or a sulfur atom; Ar.sub.1 and Ar.sub.2, which may be the same or different, each represents an alkylarylene group or a cycloalkylarylene group; and n represents 0 or 1, and (B) from 0.001 to 1 part by weight of at least one of (1) an aliphatic monocarboxylic acid salt with lithium or sodium, (2) a dithiocarbamic acid salt with lithium, sodium or potassium, (3) a 2-mercaptobenzothiazole salt with lithium, sodium or potassium, (4) a 2-mercaptobenzimidazole salt with lithium, sodium or potassium and (5) a benzotriazole salt with lithium, sodium or potassium.

Abstract: The present invention provides for a method of converting an anionic latex to a cationic latex by the addition of a steric stabilizer and a cationic surfactant. The invention also provides for a method of using the cationic latex prepared by the conversion, in an asphalt emulsion. The converted latex provides improved torsional recovery properties to the cured asphalt emulsion.

Abstract: A rheological additive for non-aqueous coating compositions is disclosed. The additive may be the reaction product of an alkoxylated aliphatic nitrogen-containing compound, an aliphatic diamine or mixtures thereof, and an organic polycarboxylic anhydride or acid, an alkanediol polyepoxide ether, or mixtures thereof. The additive provides excellent anti-sag and storage stability properties, particularly for high solids coating compositions, without causing a significant increase in viscosity. Also disclosed are coating compositions containing the additive.

Abstract: Processable electrically conductive latex polymer compositions including colloidal particles of an oxidized, polymerized aromatic heterocyclic monomer, a stabilizing effective amount of a vinyl pyridine-containing polymer and dopant anions and a method of preparing such polymer compositions are disclosed.

Abstract: Processable electrically conductive latex polymer compositions including colloidal particles of an oxidized, polymerized amino-substituted aromatic monomer, a stabilizing effective amount of a random copolymer containing amino-benzene type moieties as side chain constituents, and dopant anions, and a method of preparing such polymer compositions are provided.

Abstract: An isocyanate-reactive polymer comprising the reaction product of:(a) an isocyanate-terminated polyuretane prepolymer formed by reacting a polymeric polyol having a hydroxyl equivalent weight of at least 500 with a stoichiometric excess of an organic polyisocyanate, and(b) a stoichiometric excess, relative to the free isocyanate groups present in the prepolymer, of an imino-functional or enamine-containing compound having a molecular weight less than about 750.

Abstract: The poor electrical conduction at an electrical switch contact caused by organopolysiloxane gas can be prevented by providing that a nitrogenous base gas be simultaneously present with the organopolysiloxane gas. Nitrogeneous base gases can be aliphatic amines or aromatic amines.

Abstract: Binders comprising the association of chlorinated vinyl resins and quaternary ammonium salts are resistant to corrosion, fouling, and organisms in an aqueous medium.The binders are obtained by substituting the chlorines of the polymer with a molecule having a primary or secondary amine function and a tertiary amine function, and then quaternizing the tertiary amine function by an alkyl halide.The binders thus obtained are useful in the production of coatings resistant to fouling and organisms present in an aqueous medium, of bacterial anticorrosion coatings and coatings with fungicidal properties.

Abstract: Insulated electrical conductor and electrical insulation which includes a polyolefin as polymeric base material and a voltage stabilizer included in the polyolefin and comprised of at least one hydrolyzable alkoxy compound, which at least one hydrolyzable alkoxy compound is a liquid at a temperature ranging from about -25.degree. C. to about 140.degree. C. and has a formula:(R.sup.a O).sub.y R.sub.3--y.sup.b X-[R-X'(OR.sup.c).sub.z R.sub.2-z.sup.d ].sub.n -OR.sup.e,where R.sup.a, R.sup.c and R.sup.e are hydrocarbon groups having 1 to 18 carbon atoms; R.sup.b and R.sup.d are saturated or unsaturated, substituted or unsubstituted aliphatic hydrocarbon groups or aromatic hydrocarbon groups having from 1 to 30 carbon atoms; R is a group having a carbon skeleton including at least one heteroatom Y; O is oxygen; X and X' are elements having a valence of four; n varies from 1 to 10, y varies form 0 to 3, z varies from 0 to 2, and where R, R.sup.a, R.sup.b, R.sup.c and R.sub.

Abstract: Acrylic polymers with carboxylic acid and small amounts of phosphorus-containing strong acids are good pigment dispersants for use in water-based coating compositions.

Abstract: An antifouling coating is described, that contains as its essential components a polymer of one or more of the monomers A represented by formula (1) and/or a copolymer composed of one or more of the monomers A and one or more monomers B that are radical-copolymerizable with said monomer A: ##STR1## wherein X is a hydrogen atom or a methyl group; n is an integer of 2 to 4; and m signifies the average degree of polymerization and ranges from 0 to 70.

Abstract: Blends of a silicone-polycarbonate block copolymer with a compatibilized alloy of polyphenylene ether and polyester resins comprise a class of thermoplastic materials with physical properties ranging from those of a self-extinquishing, tough thermoplastic elastomer to a rigid engineering material. The compatibilizers include aromatic polycarbonates and rubber-modified impact modifiers.

Abstract: A process for enhancing the fabrication of thermoplastic polymers entailing the addition of from 0.01 to 1 part, per hundred parts of thermoplastic polymer, of a processing aid, said processing aid comprising a processing additive, such as a silicone or a polyol, and a processing adjuvant, such as a phosphate.

Abstract: A composition comprises (a) a carboxylic acid compound which contains at least three carbon atoms and (b) an amine such as an ethoxylated amine. The composition may be obtained by conventional powder blending or melt blending techniques. The compositions can be incorporated into an olefin polymer to give a polymer composition which has an increased crystallization temperature and/or improved optical properties.

Abstract: An improved process is provided for dry spinning spandex filaments which contain titanium dioxide pigment particles and a polymeric tertiary amine stabilizer. An organic base, such as ethylene diamine or diethyl amine, is added to the polymer solution before the titanium dioxide or the polymeric amine stabilizer is added to the solution. Improved spinning continuity and product yield are obtained.