Abstract: A pyrotechnic material consists of an oxidizable metal vapor-deposited onto a substrate film of an oxidizing polymeric material the metal and polymeric substrate being conjointly capable of exothermic reaction on ignition. The substrate may be provided in flexible film tape form and coated on both sides with metal to provide a flash transfer medium with flash velocities typically within the range 10-100 ms.sup.-1. The substrate is preferably PTFE and the metal magnesium.

Abstract: Chlorine-containing polymers can be stabilised against thermal and actinic degradation by addition of a sterically hindered amine and a zinc compound in the absence of other organometallic compounds. It is preferred additionally to add a 1,3-dicarbonyl compound.

Abstract: Thiol compounds are combined with an organometallic halide or metallic halide to provide thermal stability to vinyl halide polymers.

Abstract: Polymeric-containing compositions having improved oxidative stability have the polymer and at least two stabilizing agents. These agents are selected from low temperature antioxidants such as alkali metal and alkaline earth metal hypo or hydrogen phosphites, high temperature antioxidants such as: alkali metal or alkaline earth metal phenylphosphonates, thioethers like dialkyl thioalkylionate and polymers thereof and metal deactivating agents like polydentate ligands and ethylene diamine-tetracidic acid compounds. The composition can be a coating composition for substrates including those like fibrous material including fibers, bundles of fibers, strands, roving, flakes and beads. The composition can be present as a dried residue on the substrate. For fibrous substrates, the composition also has at least one organofunctional silane coupling agent, may also have processing aids such as epoxy polyester polymers and/or lubricants.

Abstract: Hot melt adhesive compositions stabilized against thermal degradation, discoloration, skin formation and substantial viscosity changes, said adhesives being based on ethylene-vinyl acetate copolymer and a hydrocarbon tackifying resin and containing a stabilizer system of a hindered phenol antioxidant, a phosphite costabilizer and an acid scavenger.

Abstract: A composition comprising an elastomer and a stabilizer mixture consisting ofa) at least one phenol of formula ##STR1## wherein R.sub.a and R.sub.b are each independently of the other C.sub.1 -C.sub.4 alkyl and R.sub.c is C.sub.6 -C.sub.12 alkyl, andb) at least one phenol of formula II ##STR2## wherein n is 0 to 3, R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.12 alkyl or --CH.sub.2 SR.sub.3, R.sub.3 is C.sub.3 -C.sub.18 alkyl, phenyl or benzyl, and R.sub.4 is hydrogen or methyl.

Abstract: Compounds of formula I ##STR1## wherein n is 0 to 3, R.sub.1 and R.sub.2 are C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.8 cycloalkyl or --CH.sub.2 SR.sub.3, R.sub.3 is C.sub.1 -C.sub.18 alkyl, phenyl or benzyl, and R.sub.4 is hydrogen or CH.sub.3, are admirably suitable as chain-terminators in the anionic solution polymerisation of 1,3-dienes.

Abstract: A composition of a copolymer of ethylene and vinyl alcohol, 0.01 to 0.5 weight percent of a monovalent or divalent metal salt of an aliphatic carboxylic acid having 3 to 9 carbon atoms and 0.05 to 0.5 weight percent of a hindered phenolic antioxidant exhibits improved stability toward oxidative gel formation at elevated temperatures.

Abstract: Novel compositions are described which comprise an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R.sub.1, R.sub.2, R.sub.3, Z.sub.1 and Z.sub.2 are as defined in claim 1.The compounds of the formula II and some of the compounds of the formula I are novel, and they are used especially as antioxidants.

Abstract: Polyvinyl chloride resin stabilizer compositions are provided, comprising a 2,2,6,6-tetramethyl piperidinyl compound and an ammonium or metal perchlorate; and also stabilized polyvinyl chloride resin compositions containing such stabilizers, and optionally including a plasticizer, and particularly as molded articles with polyurethane foam backing.

Abstract: Polyphenylene sulfide resin compositions are provided having improved light stability and comprising an alkylidene bis(benzotriazolyl phenol) having the formula: ##STR1## wherein: R.sub.1 is selected from the group consisting of hydrogen and alkyl having from one to about eleven carbon atoms;R.sub.2 is selected from the group consisting of alkyl having from one to about twelve carbon atoms; and arylalkyl having from seven to about eighteen carbon atoms; andX is selected from the group consisting of hydrogen; halogen; alkyl having from one to about twelve carbon atoms; aryl alkyl having from seven to about eighteen carbon atoms; alkoxy having from one to about twelve carbon atoms; phenoxy; arylalkoxy having from seven to about eighteen carbon atoms; and phenyl.

Abstract: A solvent based contact adhesive suitable for bonding cured EPDM membranes is disclosed. The adhesive includes a crosslinked halogenated butyl rubber, a low molecular weight, high softening point, thermoplastic aliphatic-type-based hydrocarbon resin and at least one organic solvent employed as a dispersion medium for the crosslinked halogenated butyl rubber and the resin. The disclosed adhesive exhibits superior heat aging and hot water immersion properties which are significant characteristics in roof applications.

Abstract: This invention is concerned with the prevention of gel formation in polymers. More specifically, this invention is directed to a unique combination of materials that greatly lessens the formation of gel in elastomers during processing and storage. The combination comprises a hindered phenolic antioxidant and an alkylated phenol/primary mercaptan/formaldehyde reaction product.

Abstract: Polycarbonate resin compositions are provided having improved light stability and comprising an alkylidene bis(benzotriazolyl phenol)having the formula: ##STR1## wherein: R.sub.1 is selected from the group consisting of hydrogen and alkyl having from one to about eleven carbon atoms;R.sub.2 is selected from the group consisting of alkyl having from one to about twelve carbon atoms; and arylalkyl having from seven to about eighteen carbon atoms; andX is selected from the group consisting of hydrogen; halogen; alkyl having from one to about twelve carbon atoms; aryl alkyl having from seven to about eighteen carbon atoms; alkoxy having from one to about twelve carbon atoms; phenoxy; arylalkoxy having from seven to about eighteen carbon atoms; and phenyl.

Abstract: Bis-(2,2,6,6-tetramethyl-piperidyl)diimides are provided, having the formula: ##STR1## in which R is selected from the group consisting of hydrogen; oxyl; alkyl and alkenyl having from one to about eighteen carbon atoms; epoxy and hydroxyalkyl having from two to about eight carbon atoms; acyl having from two to about eight carbon atoms; and phenalkyl having from seven to about twelve carbon atoms; and Z is a tetravalent aliphatic or cycloaliphatic hydrocarbon group having from two to about eighteen carbon atoms; and stabilizer and synthetic polymer compositions containing such diimides having improved resistance to deterioration when exposed to light.

Abstract: The invention relates to compositions comprising a lubricant or a hydraulic fluid and at least one compound of formula I ##STR1## wherein X is --S--, --O--, --CO--O--, --CH.sub.2 -- or --NR.sup.5 --, where R.sup.5 is hydrogen or C.sub.1 --C.sub.8 alkyl, n is 0, 1, 2 or 3, R.sup.1 and R.sup.2 are each independently of the other hydrogen or C.sub.1 -C.sub.12 alkyl, R.sup.3 is hydrogen or methyl, and R.sup.4 is C.sub.1 -C.sub.22 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl or aryl which is substituted by one or two C.sub.1 -C.sub.8 alkyl radicals, or is C.sub.7 -C.sub.12 aralkyl or the group ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and n have the given meanings. The sulfur-containing phenol derivatives of formula I are particularly suitable antiwear, extreme pressure and antioxidant additives for mineral and synthetic lubricants and for hydraulic fluids.The invention further relates to novel phenol derivatives of formula I which are suitable additives for lubricants, hydraulics and elastomers.

Abstract: This invention is concerned with the stabilization of oxidizable organic materials such as rubbers, oils, plastics and the like through the addition of an autosynergistic phenolic antioxidant reaction product to the oxidizable organic material. More specifically, this invention is directed to a definitive process for the preparation of an alkylated phenol/formaldehyde/mercaptan reaction product comprising the simultaneous acid catalyzed reaction of specific reactants at specific molar ratios under azeotroping conditions and the use of the reaction product in oxidizable organic materials.

Abstract: The title compounds correspond to the formula ##STR1## where R.sub.1 is tert-butyl, R.sub.2 is methyl or tert-butyl, R.sub.3, R.sub.4 and R.sub.7 are hydrogen, R.sub.5 and R.sub.8 are hydrogen or methyl, and R.sub.6 is hydrogen, alkyl of 1 to 3 carbon atoms or phenyl, and are useful as stabilizers for organic polymers and lubricating oils to counteract the degradative effects of heat, light and air.

Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic antimony compound or mixture of organic antimony compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and (3) a metal mercaptoalcohol or mixture of metal mercaptoalcohols. Also provided are polymer compositions containing said stabilizers, a process for stabilizing polymers, and articles of manufacture made from stabilized polymer compositions.

Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) a mono-organotin compound or mixture of mono-organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally (3) a diorganotin compound or mixture of diorganotin compounds. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.

Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic tin compound or mixture of organic tin compounds, (2) an organic compound having an aromatic ring which is substituted with a hydroxyl (--OH) group and a mercapto (--SH) group ortho to each other, and, optionally, (3) an organotin mercaptide or mixture of organotin mercaptides. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.

Abstract: Disclosed are polyester compositions having special utility in film or sheet form having improved gas and water barrier properties, and comprising homo- or copolyesters derived from terephthalic acid or mixtures of terephthalic acid with acids such as isophthalic, 2,6-naphthalene dicarboxylic, and the like, and a glycol component such as ethylene glycol or 1,4-cyclohexanedimethanol, blended with from about 1 to about 30 weight % of certain bisphenols such as bisphenol-A, and naphthalene diols. Films or sheets of these compositions are characterized by having greatly reduced oxygen, carbon dioxide and water vapor permeabilities.

Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic antimony compound or mixture of organic antimony compounds and (2) an organic compound or mixture of organic compounds having an aromatic ring which is substituted with hydroxy (--OH) and mercapto (--SH) groups ortho to each other. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.

Abstract: This invention is directed to a polymeric thermo-sensitive material which comprises a polyamide composition containing compounds of sulphur-contained compounds or phosphorous acid ester, and which is smaller in polarization in the application of direct-current electric field, higher in temperature detection function, does not cause flexibility deterioration due to heating operation and is less in hygroscopicity. A composition containing thiophosphorous acid ester and bis(hydroxyphenyl) sulfide derivative from a group of the phosphorous acid ester is particularly superior in quality.

Abstract: In producing a crosslinked polypropylene foam, 0.5 to 4 parts by weight of a compound selected from triacrylate and trimethacrylate of aliphatic polyhydric alcohol and a blowing agent are mixed with 100 parts by weight of propylene homopolymer or copolymer. Then, the mixture is shaped under heat, followed by irradiation with an ionizing radiation such that the dose of the radiation absorbed by the shaped mass ranges between 0.1 and 10 Mrad. Finally, the irradiated mass is heated for foaming.

Abstract: A loaded polymer latex composition is disclosed. The composition comprises an aqueous polymer latex whose dispersed phase is made up of a specified cross-linked quaternary salt polymer loaded with a specified hydrophobic substance. The latex composition can be advantageously employed as a mordant polymer in a photographic element for a color diffusion transfer process. Use of the latex improves light resistance without lowering the maximum densities of the film images.

Abstract: This invention relates to stabilizer compositions for polymers comprising (1) an organotin compound, or mixture of organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally, (3) a halogen-containing tin compound or mixture of halogen-containing tin compounds, said stabilizers having a total halogen content of about 0.1% to about 10% by weight based on the weight of the stabilizer composition. This invention also relates to polymer compositions containing said stabilizers, to a process for stabilizing polymer by adding thereto said stabilizers, and to articles of manufacture, e.g. pipe, comprising a polymer and said stabilizers.

Abstract: Smoke suppressed rigid polyurethane foams are prepared from a reaction mixture comprising as the smoke suppressant additive a metal salt of a: dialkyl dithiocarbamate, a mercaptobenzothiazole, a 2,5-dimercapto-1,3,4-thiadiazole, a mercaptotriazine, a hydroxy thiophenol or an aliphatic dimercapto compound of 2 to 10 carbons.