Abstract: A cost effective, efficient thermal insulation composition that will have ng shelf life and withstand severe high temperature and pressure conditions in high temperature solid propellant gas generators can be formed of an ethylene propylene, diene monomer (EPDM)/neoprene rubber binders containing silica powder filler and aramid fibers. The specific chemical constituents include EPDM elastomer, 2 Chlorobutadiene 1,3 elastomer, Silica hydrate, Polymerized Trimethyl Dihydroquinoline, Alkylated Diphenylamines and Diphenyl-p-Phenylendiamene, 40% a,a' Bis (Tert-Butylperoxy), Diisopropylbenzene, Napthenic Process Oil, Synthetic Polyterpene Resin, Aramid Fiber (0.25 inch), and Zinc Oxide, Technical.

Abstract: There is disclosed the use of matrix-antidegradants in rubber and a process for the production of matrix-antidegradants. More specifically, this invention is directed to microparticles of vulcanized rubber containing high levels of para-phenylenediamine type antiozonants which have a particle diameter of 100 microns or less. The matrix-antidegradant or microparticles prepared according to this invention provide long term protection to rubber articles that are subject to ozone and oxygen attack.

Abstract: Compositions comprising polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are stabilized against degradation caused by exposure to ultra violet light by intimately mixing therewith a stabilizing quantity of certain organic stabilizers. These certain stabilizers are hydroxybenzophenones, hydrobenzotriazoles, diphenylamines and aniline substituted triazines.

Abstract: Compositions comprising linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are stabilized against degradation caused by exposure to UV light by the inclusion therein of an aromatic diamine and a certain type of carbon black.

Abstract: A new class of antiozonant compounds, namely tris(N-alkyl-p-phenylenediamino)-1,3,5-triazine compounds, are incorporated into thermosetting compositions having at least one highly unsaturated rubbery polymer and at least one other elastomer having lesser unsaturation, such as EPDM. Thermosetting compositions are most useful as tire sidewall compositions which may be preferably cured with blends of organic peroxide and sulfur donor accelerators.

Abstract: A composition stabilized against oxidative degradation comprising: a polyolefin, carbon black homogeneously incorporated in said polyolefin, a stabilizing amount of a N-phenyl-N'-(p-toluenesulfonyl)-p-phenylenediamine first stabilizer component incorporated into said polyolefin and a second stabilizer component of at least one amine antioxidant selected from the group consisting of a para-substituted aralkyl-substituted diphenylamine; a para-phenylenediamine and a polymerized dihydroquinoline incorporated into said polyolefin.

Abstract: A flame retardant electrical insulating composition having an antifungal action comprises 100 parts by weight of a polyolefin, 50-300 parts by weight of a metal hydroxide, and at least 0.2 parts by weight of an amine compound. Also, a flame retardant electrical insulating composition having an antifungal action comprises 100 parts by weight of an ethylene-vinyl acetate copolymer with a vinyl acetate content of at least 20 wt % or an ethylene-ethyl acrylate copolymer with an ethyl acrylate content of at least 20 wt %, 50-300 parts by weight of a metal hydroxide, at least 0.2 parts by weight of an amine compound, and at least 0.5 parts by weight of a hydroxyl group containing lubricant.

Abstract: Polypropylene are stabilized against oxidative degradation by the presence therein of a stabilizing amount of an antioxidant composition which comprises:(a) at least one aralkyl-substituted diarylamine and;(b) at least one sterically hindered phenol.

Abstract: Polymeric compositions of enhanced stability against oxidative degradation are produced when aromatic amines of up to 2 aromatic rings and at least one amino group are incorporated in polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.

Abstract: Rubber articles subjected to ozone while under dynamic flexing conditions are protected using a novel triazine class of materials, specifically tris-(N-alkyl-p-phenylenediamino)-1,3,5-triazines. Belts, hose, air springs, roofing membranes, etc. are preferred articles of the invention.

Abstract: Disclosed are novel tris(N-alkyl-p-phenylenediamino)-1,3,5-triazine compounds useful as antiozonants for unsaturated high polymers. The compounds may be prepared by reacting N-alkylphenylenediamine with a cyanuric halide.

Abstract: A rubber composition comprising 30-140 parts by weight of carbon black treated with a particular compound based on 100 parts by weight of rubber which provides an improved reinforcement property of the rubber composition and at the same time improvement of the efficiency of productivity in tire manufacturing.

Abstract: 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 admixing from about 0.2 to about 6.0 parts per hundred rubber (phr) of a compound selected from the group consisting of 3-amino-2-carboxy-4-chlorobenzophenone, 3-hydroxy-2-methyldiphenylamine and 5-amino-2-methyl-N-phenylbenzensulfonamide and mixtures thereof with a vulcanizable rubber composition prior to embedding the metallic reinforcement therein and curing. A method for improving the metal adhesion and metal adhesion retention between a vulcanizable rubber and brass or brass-plated metallic reinforcement includes the step of dispersing from about 0.2 to about 6.0 phr of a compound selected from the group consisting of 3-amino-2-carboxy-4-chlorobenzophenone, 3-hydroxy-2-methyldiphenylamine and 5-amino-2-methyl-N-phenylbenzenesulfonamide and mixtures thereof in a vulcanizable rubber composition prior to curing.

Abstract: Process for lowering the viscosity of coating solutions containing a thixotropy-causing filler for the production of light-sensitive reproduction materials by adding at least one compound corresponding to one of the following formulas: ##STR1## wherein R is a linear saturated or unsaturated hydrocarbon chain having 2 to 12 carbon atoms, optionally substituted in which one or more carbon atoms can be replaced by N(R.sub.5), O, S, and/or an aromatic radial, or a 5 to 8 membered aliphatic ring.R.sub.1 to R.sub.4 are H, alkyl, aryl, and aralkyl, whereby R.sub.1 to R.sub.4 can be the same or different;R.sub.5 is R.sub.1 to R.sub.4 ;R.sub.6 and R.sub.7 are R.sub.1 to R.sub.4, --(CHR.sub.8).sub.p --OH;p is 1 to 6;q and r are 1 to 6 and can be the same or different;R.sub.8 is H, alkyl;R.sub.9 and R.sub.10 are H, alkyl, --(CHR.sub.8).sub.p --OH.

Abstract: This invention relates to polyarylene sulphides (PPS) produced in known manner from optionally substituted halogen benzenes and aromatic polyhalogen compounds, optionally in combination with other polymers, fillers and/or reinforcing fibres, which contain certain N-containing organic bases for reducing the elimination levels of acidic, corrosion-producing volatile constituents and for improving the flow properties thereof.

Abstract: An improved method is provided for the melt processing of thermotropic liquid crystal polymers. An improvement in the melt processing (e.g., fiber spinning) of thermotropic liquid crystal polymers is obtained if minor amounts of a low molecular weight liquid crystalline compound are added to the melt. Improvements in spinning temperatures, take-up speed and spinning pressure are observed.

Abstract: Transparent flame-retardant poly(arylether-arylsulfone) molding materials preferably contain not less than 50% by weight of units of the formula ##STR1## and, as a flameproofing agent, from 0.1 to 10% by weight, based on the weight of poly(arylether-arylsulfone), of a poly(2,6-dibromophenylene 1,4-oxide) having a molecular weight of from 1000 to 20000, and, if required, a heat stabilizer.The molding materials are useful for the production of shaped articles, films and fibers.

Abstract: A water-absorptive contact lens made of a copolymer consisting essentially of:(a) from about 50 to about 95 parts, by weight of the total monomer units, of hydrophilic monomer units consisting essentially of from about 25 to 100 parts, by weight of the total hydrophilic monomer units, of N-methyl-3-methylene-2-pyrrolidone represented by the formula: ##STR1## and from 0 to about 75 parts, by weight of the total hydrophilic monomer units, of N-vinyl-2-pyrrolidone; and(b) from about 5 to about 50 parts, by weight of the total monomer units, of reinforcing monomer units consisting essentially of at least one monomer selected from the group consisting of alkyl acrylates, alkyl methacrylates, styrene, alkyl styrenes, benzyl acrylate and benzyl methacrylate.

Abstract: The high temperature aging of polyamides is substantially improved by incorporating therein an antioxidant and an oxide of a metal of Group II or III of the Periodic Table, preferably a crystalline aluminosilicate such as a synthetic zeolite. The amount of antioxidant is preferably 1 to 5% and the amount of metal oxide is preferably 0.5 to 5%. Polyamides which can be stabilized in this way include Nylon-6, Nylon-11 and Nylon-12.

Abstract: A polymeric composition containing butyl rubber, and/or bromobutyl rubber, and/or chlorobutyl rubber; a EPDM polymer, and polyethylene; and use thereof to prepare molded, cured, flexible bulbs are provided.

Abstract: Polyoxyalkylene polyether polyols are stabilized against oxidative degradation by incorporating therein a synergistic stabilizing composition containing (1) a mixture of butylated phenols consisting of 2-tertiary butyl phenol, 3,5-ditertiary butyl-4-hydroxyhydrocinnamate and 1,6-hexamethylene bis(3,5-ditertiary-butyl-4-hydroxyhydrocinnamate) or tetrakis [methylene(3,5-ditertiary butyl-4-hydroxyhydrocinnamate)] methane (2) a p,p'-dialkyldiphenylamine such as p,p'-dioctyldiphenylamine and (3) a phenothiazine compound. Polyurethane foams are stabilized against scorching when the stabilized polyols are utilized in the foam preparation or the stabilizing composition is added with other reactants.

Abstract: The disclosure of this application is directed to a composition which serves to improve the water-treeing resistance of polymeric compositions comprising a hydrocarbon-substituted diphenyl amine and a high molecular weight polyethylene glycol. Polymeric compositions containing the water-tree retardant additives are useful as extrudates about electrical conductors.

Abstract: An intaglio ink composition and method of using the same for printing by the intaglio process are disclosed. The composition comprises a pigment, a vehicle composed basically of a resin and solvent, and a small amount, e.g., 0.005 to 0.5 wt.%, of an antioxidant composition consisting of a mixture of phenolic and amine antioxidants. The antioxidant composition serves to reduce the tendency of gravure ink formulations to streak during the printing process. A preferred gravure ink formulation contains a small amount of an antioxidant composition consisting of a mixture of 2,6-di-tert-butyl-4-methylphenol and 4,4'-bis(1,1,3,3-tetramethylbutylphenyl)amine.

Abstract: Oil-in-water emulsions of antioxidants having low volatility and good thermal resistance are provided for treating fibrous reinforcements such as glass fibers. The emulsions are comprised of the antioxidant in an amount of about 5 to about 60 weight percent of the emulsion along with an organic solvent that has a boiling point above the temperature of use or of preparation and is compatible with the antioxidant in an amount in a ratio of about 0.5 to about 1.5 with the antioxidant and one or more emulsifiers selected from the group consisting of anionic, and nonionic having a combined HLB (hydrophilic/lipophilic balance) in the range of about 12 to about 27. The emulsion can also contain a resin carrier such as an epoxy resin and/or a stabilizing agent such as polyalkylene polyol.