Patent ID: 8492485

Claim:
A molded article obtained by injection molding a polycarbonate-based resin composition comprising: 0.01 to 1 part by mass of an antioxidant with respect to 100 parts by mass of a polycarbonate-polyorganosiloxane copolymer which has at least one structural unit represented by formula (A) and at least one structural unit represented by formula (B) wherein the polycarbonate-polyorganosiloxane copolymer comprises a polyorganosiloxane block moiety comprising the structural unit of the formula (B) at a content of 1 to 30 mass %, the polycarbonate-polyorganosiloxane copolymer has an average repetition number of the structural unit of the formula (B) of 110 to 1000, R 1 and R 2 each independently represent an alkyl or alkoxy group having 1 to 6 carbon atoms, X represents a single bond, an alkylene group having 1 to 8 carbon atoms, an alkylidene group having 2 to 8 carbon atoms, a cycloalkylene group having 5 to 15 carbon atoms, a cycloalkylidene group having 5 to 15 carbon atoms, —S—, —SO—, —SO 2 —, —O—, or —CO—, R 3 and R 4 each independently represent a hydrogen atom, a halogen atom, or an alkyl or aryl group which may have a substituent, a and b each represent an integer of 0 to 4, and the molded article has a wear loss of 3 mm 3 or less, determined in conformity with JIS K7218 A method (Ring on Ring).