Patent ID: 8293839

Claim:
A polycarbonate-polysiloxane copolymer resin composition with high impact strength at low temperature and high mechanical strength, comprising: (A) about 100 parts by weight of a thermoplastic polycarbonate resin; and (B) about 0.1 to about 30 parts by weight of an organo-siloxane polymer having an epoxy group represented by the following Chemical Formula: wherein: each R 1 is independently hydrogen, C 1 -C 8 alkyl, C 6 -C 30 aryl, or C 1 -C 15 alkyl-substituted C 6 -C 30 aryl; R 2 is C 1 -C 8 alkylene; each p is independently 0 or 1; and a represents the number of repeating units and is an integer from 1 to 10.