Abstract: Synergistic light stabilizer combinations comprising(a) a compound of formula I ##STR1## wherein m is 2 or 3 and R is hydrogen, C.sub.1 -C.sub.4 alkyl, 2-hydroxyethyl, 2-hydroxypropyl, allyl, benzyl, acetyl or acryloyl, and(B) a compound which contains at least one group of formula II ##STR2## and has a molecular weight higher than 700, are most suitable for stabilizing organic polymers, especially polyolefins.

Abstract: The invention comprises a curable acrylic ester formulation which contains a maleimide thermal additive which is essentially miscible in conventional acrylic monomers. The formulation comprises a substantially solvent free adhesive formulation comprising:a) an acrylic functional maleimide compound of the formula: ##STR1## where the R.sub.1 groups are independently H or C.sub.1 -C.sub.3 alkyl, R.sup.2 is lower alkylene and R.sup.3 is defined as for R.sup.1 ;b) at least one acrylate or methacrylate monomer or prepolymer compound other than a compound as defined in a); and,c) an effective amount of an anaerobic or thermal free radical initiator.

Abstract: Compounds which contain azo linkages as well as a hindered amine light stabilizer moiety of low basicity function as free radical polymerization initiators and provide a polymer containing a hindered amine stabilizer chemically bonded to said polymer. The low basicity of the instant compounds prevents interaction with acid catalysts used in some polymerization systems.

Abstract: Compounds containing both a UV-absorbing moiety and a 1-hydrocarbyloxy hindered amine moiety are effective stabilizers for protecting polymer compositions against the deleterious effects of actinic light. The UV-absorbing moieties include the substituted 2H-benzotriazoles, s-triazines, acrylates, benzophenones, oxanilides and oxamides.

Abstract: Bis(1-hydrocarbyloxy-2,2,6,6-tetraalkylpiperidin-4-yl) malonate or malonamide derivatives of 1,3,5-triazine corresponding to the formula ##STR1## are effective light stabilizers in a wide variety of substrate systems.

Abstract: There is disclosed compounds having, within their structural formulae, a trivalent moiety: ##STR1## which exhibit antiozonant activity when added to rubber compositions at antiozonant effective levels and which exhibit synergistic antiozonant activity when used with conventional antiozonants in rubber compositions. There is also disclosed novel compounds which can be used as antiozonants.

Abstract: N-Hydrocarbyloxy derivatives of poly(2,2,6,6-tetraalkylpiperidin-4-yl) -1,3,5-triazines corresponding to the formulae I, II or III ##STR1## wherein T is ##STR2## are effective light stabilizers in a wide variety of substrate systems.

Abstract: 6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinones of formula I ##STR1## where R.sub.1 and R.sub.2 are independently alkyl, cycloalkyl, aryl or aralkyl, R.sub.3 and R.sub.4 are independently hydrogen or alkyl, n is 1 to 4 and T is hydrogen, alkyl, substituted alkyl, alkylene or arylene, are effective in stabilizing organic materials against oxidative, thermal and actinic degradation.

Abstract: A filled polyolefin, particularly polypropylene, containing a sterically hindered phenol antioxidant and a compound of formula I and/or II ##STR1## in which R is unsubstituted phenyl or phenyl substituted by 1 or 2 C.sub.1-12 alkyl groupsn is 0 or 1 andA is a monofunctional or difunctional residue of a phenyl, diphenyl, diphenyl ether, diphenylmethane or dibenzofuran,as processing stabilizer has good long-term stability even in the absence of conventional sulphur-containing co-stabilizers.

Abstract: Aromatic polyamides having improved stability with respect to thermal oxidation are produced by adding to the reaction mixture present as a melt, a stabilizing amount, e.g., 0.05-4 mol % based on the sum total of components A and B, of a compound of Formula (I) ##STR1## wherein Q is --O--; --S--; or N--R'";R" and R'" are: --H; C.sub.1 -C.sub.6 -alkyl; or phenyl, e.g., benzimidazole.

Abstract: Oligomeric N-hydrocarbyloxy hindered amines are effective light stabilizers in protecting organic substrates against the deleterious effects of actinic light.

Abstract: Thermoplastic molding materials contain, as essential components,(A) from 40 to 99.55% by weight of a thermoplastic polyamide,(B) from 0.45 to 15% by weight of a thermoplastic polyester elastomer,(C) from 0.05 to 1.99% by weight of melamine cyanurate and in addition(D) from 0 to 50% by weight of fibrous or particulate fillers or a mixture thereof.

Abstract: Compounds derived from bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)amine are effective stabilizers in preventing the degradation of polymers subject to the deleterious effects of actinic light.

Abstract: The Michael addition products of N-hydroxy hindered amines with alpha,beta-unsaturated carbonyl compounds including derivatives of esters, amids, imides and anhydrides are effective stabilizers for protecting organic polymers from the deleterious effects of actinic light.

Abstract: An aromatic polyamide, e.g., from isophthalic acid and 4,4'-bis(4-aminophenoxy)diphenylsulfone, is produced with a sufficient amount, e.g., 0.05-4 mol%, of 4-phenoxypyridine to improve resistance to thermal oxidation.

Abstract: Flame retardant mixtures of a polyphenylene ether resin, an alkenyl aromatic elastomer, an organic phosphate flame retardant agent and a crosslinking agent are described. They are curable by heating or by exposure to high energy radiation. Articles such as electrical wires and cables comprising insulation made of the composition, and a method of their production, are also disclosed.

Abstract: An adhesive dressing for use on moist wounds which comprises a pressure sensitive adhesive-coated wound contacting first layer in which there are present holes capable of transmitting liquid water and a moisture vapor permeable, continuous film. The continuous film is attached to the first layer in such a way as to form a reservoir into which water can pass through the holes in the first layer and can evaporate from the reservoir through the continuous film. The adhesive coated first layer has a moisture vapor permeability of less than 300 gm.sup.-2 24 hr.sup.-1 at 37.degree. C. and 100% to 10% relative humidity difference and the continuous film has a moisture vapor permeability which is greater when in contact with liquid water than when not in contact with liquid water. Optionally, an intermediate water transmitting layer may be present between the first layer and the continuous film.

Abstract: Fire retardant and water blocking material for cables having an admixture, in parts by weight, of 100 parts of amorphous polypropylene, which is in a continuous phase throughout the composition, from 10 to 70 parts of hydrated inorganic oxide or hydroxide material, and an organic halogenated material and antimony trioxide, the aggregate of the organic halogenated material and antimony trioxide being from 5 to 30 parts.

Abstract: Bislactams of the general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are each C.sub.1 -C.sub.4 -alkyl, or R.sup.1 and R.sup.2 and/or R.sup.3 and R.sup.4 form a tetra- or pentamethylene radical, and R.sup.5 is hydrogen, carbonyl-C.sub.1 -C.sub.8 -alkyl, benzoyl, C.sub.1 -C.sub.8 -alkyl, C.sub.7 -C.sub.10 -phenylalkyl, the phenyl nucleus being unsubstituted or substituted by one or two C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkyoxy, fluorine, chlorine or bromine radicals, or is C.sub.1 -C.sub.3 -cyanoalkyl, C.sub.2 -C.sub.4 -hydroxyalkyl or C.sub.2 - or C.sub.3 -aminoalkyl, and the acid addition salts and hydrates of these compounds.The compounds (I) are stabilizers for organic materials.

Abstract: An impact modifier for a thermoplastic resin is disclosed, which comprises (I) 100 parts by weight of a graft copolymer formed by graft-polymerizing (B) a monomer having a vinyl group in the molecule onto (A) a butadiene polymer and, incorporated therein, (II) 0.01 to 5 parts by weight of a thioether type heat stabilizer, (III) 0.01 to 5 parts by weight of a phosphite type heat stabilizer and (IV) 0.01 to 5 parts by weight of a phenol type heat stabilizer having a molecular eight of at least 500. A thermoplastic resin composition having this impact modifier incorporated therein exhibits a good heat discoloration resistance and heat deterioration resistance under high-temperature conditions, as well as an improved impact resistance.