Polycarbonate resin composition

Details Polycarbonate resin composition Polycarbonate resin composition

C - Chemistry, Metallurgy

08

L

400/3008

C08L 69/00 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1302602

ABSTRACT OF THE DISCLOSURE A polycarbonate resin composition excellent in chemical resistance, weather resistance, heat resistance, and low-temperature impact resistance, which comprises, either a polycarbonate resin (A) or a mixture (A') of the polycarbonate resin and a saturated polyester and/or a polyester elastomer and either a siloxane based graft copolymer (B) obtained by graft polymerization of 95 to 10% by weight of at least one vinyl monomer onto 5 to 90% by weight of a polyorganosiloxane rubber which exhibits a degree of swelling of 3 to 30 as measured in toluene at 25°C, contains constitutional units derived from a graft-linking agent, and has an average particle size of 0.08 to 0.8 µm or a mixture (B) of the siloxane-based graft copolymer and a vinyl polymer, wherein the component (B) is blended so that the content of the polyorganosiloxane rubber may be from 0.5 to 60% by weight based on the whole resin composition.

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