| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a polycarbonate resin composition giving a molding excellent in metallic tone external appearance and wet heat resistance, and excellent in retention thermostability.SOLUTION: This production method of a polycarbonate resin composition includes a melt kneading process of melt kneading 100 pts.mass of a resin component comprising 20-100 pts.mass of a polycarbonate resin (A) and 0-80 pts.mass of a thermoplastic resin (B) composed of at least one selected from a group consisting of a polyester resin (B-1), and a styrene unit component-containing thermoplastic resin (B-2) with a rubber component of less than 50 mass% and a styrene unit component, 1-120 pts.mass of a masterbatch (C) and 0.02-3 pts.mass of an organic phosphoric ester compound (D) expressed by general formula (1), where the masterbatch (C) comprises a metallic pigment (C-1) mainly comprising aluminum, and a polycarbonate resin (C-2). In formula, R represents an alkyl group with 2-25 total carbon number which may have a substituent; and n denotes 1 or 2, provided that when n is 2, two Rs may be different from each other. |
