Abstract: A resin composition having nice color tone and high crack-resistance as well as flame-retardancy is obtained by blending(A) 100 weight parts of a resin composition containing a rubber-reinforced vinyl aromatic polymer and polyphenylene ether represented by the following general formula: ##STR1## wherein each of R.sub.1 and R.sub.2 represents a monovalent residue such as the same or different alkyl group having 1-4 carbon atoms, aryl group, halogen and hydrogen, and n represents the polymerization degree or a polyphenylene ether onto which a vinyl aromatic compound is graft-copolymerized, in which the polyphenylene ether content is 5-70 wt. % (based on the weight of the resin part),(B) 1-30 weight parts of a halogenated aromatic compound and(C) 0.5-20 weight parts of a non-crystalline ethylene-propylene copolymer.

Abstract: A polymer composition containing a flame retardant amount of tribromocumene. The polymer is preferably polyurethane and may be either foamed or non-foamed.

Abstract: A polymer composition containing a flame retardant amount of tribromocumene. The polymer is preferably polyurethane and may be either foamed or non-foamed.

Abstract: An improved and economical fire retarding system for polymeric compositions comprising the combination of a halogen-containing hydrocarbon and an oxide of iron; a method of rendering polymeric compositions resistant to flame; and the flame resistant polymeric compositions and products comprising the same.

Abstract: An organic high polymer composition having an improved flame retarding property which is obtained by incorporating into a flame resistive composition comprising (a) an organic high polymer substance, (b) an organic flame retarder and (c) incombustible active inorganic powder (d) a polyfunctional compound and (e) an organic compound represented by the formula: ##STR1## wherein Z is an oxygen atom or a sulfur atom, A is a C.sub.2 -C.sub.20 divalent hydrocarbon group having or not substituents and forming a ring together with the adjacent two carbon atoms and B, and B is an oxygen atom or an amino group: --NY-- (Y being a hydrogen atom, a halogen atom or an organic group having not more than 30 carbon atoms) or its hydrolyzate.

Abstract: Translucent polyorganosiloxane resin compositions exhibiting acceptable levels of flame retardancy contain from 1 to 10%, based on resin weight, of an organic halogen source in combination with finely divided glass particles. Translucent substrates coated with these resin compositions can be used in the exterior portions of buildings intended to be heated at least in part by solar energy.

Abstract: A novel flame-retardant ethylene polymer composition comprising a copolymer consisting essentially of ethylene and an olefinically unsaturated silane compound such as vinyltriethoxysilane, a silanol condensation catalyst such as dibutyltin dilaurate, and a flame retardant such as a chlorinated polyethylene.

Abstract: Polyolefins such as polyethylene, polypropylene, and the like are rendered flame retardant by incorporating therein about 2-60 percent of a combination of (1) a Diels-Alder adduct of a chlorinated cyclopentadiene and a polyunsaturated cycloaliphatic compound and (2) a brominated aromatic compound.

Abstract: The invention relates to plastics moulding compounds which have been flame-proofed with organic chlorine- or bromine-containing compounds, said moulding compounds containing at least one aerosol selected from the group comprising the highly dispersed silicates, highly dispersed alumina, and highly dispersed titanium dioxide, and, optionally, a dibasic or tribasic oxyacid of phosphorus or an ester thereof. These moulding compounds have a reduced corrosive action on contact metals.

Abstract: The electrical properties of polymeric dielectric materials or compounds including polar additives are enhanced by a method of treating the polar additives with a reactive silicone liquid, and the improved polymeric insulation products of the method.

Abstract: Ink compositions especially suitable for printing electronic circuit patterns on a substrate such as a flexible polyester substrate; methods for developing electrolessly and electrolytically the circuit configurations as articles of manufacture; flexographic printing with the ink composition has been disclosed as the preferred method.

Abstract: Thin films of about 1 to 5 mil thick of poly(parabanic acid) (PPA-M form) containing halogenated flame retardants have the flame retardancy enhanced by the addition of small amounts (generally about 0.1 to 3.0 weight percent) of a copper chelate compound.

Abstract: Disclosed is a self-extinguishing polystyrenic composition comprising a polystyrenic resin, a fire-retardant amount of a halogenated organic fire-retardant agent and a nitrogen-containing organic compound selected from the group consisting of amines, amides and ammonium compounds containing from 20 to 40 carbon atoms and their mixtures, said nitrogen-containing compound being used in an amount varying between 0.5 and 50% based on the weight of fire-retardant agent.

Abstract: The present invention provides novel flame retardant, non-dripping thermoplastic molding compositions of polyphenylene ether resins or acrylonitrile-butadiene-styrene copolymers which include a flame retardant agent, and polytetrafluoroethylene.

Abstract: Trityl compounds wherein a triphenylmethyl group is attached to oxygen, divalent sulfur, trivalent nitrogen or a halogen are effective synergists for organic bromine flame retardants in polypropylene compositions.

Abstract: Styrene/maleic anhydride polymers can be made more resistant to combustion by incorporation therein of minor amounts of polyvinyl chloride. The compositions can also comprise MBS, ABS and other flame retardant additives.

Abstract: Copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.