Polycarbonate resin composition and molded object thereof
AssigneeIdemitsu Kosan Co., Ltd.
InventorsHiroshi Kawato, Keisuke Funaki, Masami Kogure, Hiroshi Akamine
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Abstract
A polycarbonate resin composition which has excellent flame retardancy, even when containing neither any phosphorus compound flame retardant nor any halogenated flame retardant, and which is highly reflective and has light-shutting properties and excellent thermal stability. The polycarbonate resin composition comprises 5 to 98 parts by weight of a polycarbonate/polyorganosiloxane copolymer, 0 to 93 parts by weight of a polycarbonate resin, 2 to 50 parts by weight of titanium oxide, 0 to 1.0 parts by weight of a fibril-forming polytetrafluoroethylene, and 0.05 to 2.0 parts by weight of an organosiloxane, the sum of the ingredients (A), (B), and (C) is 100 parts by weight.
Claims15
A polycarbonate resin composition comprising:
- (A) 5 to 98 parts by weight of a polycarbonate-polyorganosiloxane copolymer,
- (B) 0 to 93 parts by weight of a polycarbonate resin,
- (C) 2 to 50 parts by weight of titanium oxide,
- (D) 0 to 1.0 parts by weight of a fibril-forming polytetrafluoroethylene, and
- (E) 0.05 to 2.0 parts by weight of an alkylhydrogensilicone or an alkoxysilicone,
- wherein
- the sum of the ingredients (A), (B), and (C) is 100 parts by weight, and comprising no phosphorus compound flame retardant.
Dependencies are inferred from the claim text.