C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/6527
C08L 25/06 (2006.01) C08L 25/02 (2006.01) C08L 27/06 (2006.01) C08L 33/08 (2006.01) C08L 55/02 (2006.01)
Patent
CA 2011764
ABSTRACT OF THE DISCLOSURE A flame-retardant injection-molding resin composition. The composition contains (A) 100 parts by weight of a flame-retardant resin composed of 30% to 80% by weight of styrene resin having a reduced viscosity of methyl-ethyl-ketone soluble portions of 0.2 to 0.55 dl/g in N,N-dimethylformamide at a concentration of 0.3 g/dl at 30°C, and from 20% to 70% by weight of a polyvinyl chloride resin having a polymerization degree of from 400 to 800; and (B) 0.5 to 10 parts by weight of a copolymer of from 30% to 35% by weight of a vinyl cyanide compound, 30% to 97% by weight of an alkyl acrylate and o% to 67% by weight of a vinyl monomer being copolymerizable with the vinyl cyanide compound and the alkyl acrylate. The flame-retardant injection-molding resin composition provides injection-molded articles of high impact strength and low delamination tendency and has excellent thermal stability, flame resistance and heat stability.
Hosoi Hideki
Mishima Ikuhiro
Nishimoto Kenji
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
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