Patent ID: 9617422
Date: 2017-04-11
CPC Classifications: C08G,C08K,C08L

Claim:
1. A polycarbonate-based resin composition, comprising, with respect to 100 parts by mass of (A) a resin mixture formed of 30 to 100 mass % of a polycarbonate-polyorganosiloxane copolymer (A-1) having a structural unit represented by the general formula (I) and a structural unit represented by the general formula (II), and having an average number of repetitions n of an organosiloxane constituent unit in the general formula (II) of 50 to 500, and 0 to 70 mass % of an aromatic polycarbonate (A-2) except the copolymer (A-1), 1.5 to 4.5 parts by mass of (B) a polyorganosiloxane-acrylic composite rubber, the composition having a viscosity-average molecular weight of from 17000 to 23000: wherein R