POLYCARBONATE-BASED RESIN COMPOSITION

PROBLEM TO BE SOLVED: To provide a polycarbonate-based resin compsn., which does not contain an org. halogenous flame retardant and is excellent in heat resistance, flowability. impact strength, and flame retardance. SOLUTION: This compsn. is prepd. by compounding 100 pts.wt. thermoplastic resin com...

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1. Verfasser:	FUJIGUCHI TOMOHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polycarbonate-based resin compsn., which does not contain an org. halogenous flame retardant and is excellent in heat resistance, flowability. impact strength, and flame retardance. SOLUTION: This compsn. is prepd. by compounding 100 pts.wt. thermoplastic resin comprising 80-98 pts.wt. arom. polycarbonate resin (A) and 20-2 pts.wt. elastic graft copolymer (B) produced by copolymerizing copolymerizable monomres in the presence of a rubbery polymer and contg. the rubbery polymer in a concn. of 70wt.% or higher with 1-20 pts.wt. phosphoric ester flame retardant (C) which contains at least 10wt.% phophorus and which decreases the Tg of ingredient A by up to 30 deg. when compounded in an amt. of 10 pts.wt. into 100 pts.wt. ingredient A.