POLYCARBONATE RESIN COMPOSITION

Provided is a polycarbonate resin composition having excellent impact strength, molding residence stability, and dry heat resistance and that maintains high total light transmittance while suppressing light transmittance in a specific ultraviolet region, that is, harmful wavelengths near 420 nm. The...

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Bibliographische Detailangaben
Hauptverfasser: ISSHIKI HIDEKI, KANEKO NOBUHIRO, SHUTO HIROSHI, YASHITA AKIRA, TANABE SEIICHI, KAWAI KOJI, KANEKO KOTARO, OHIRA YOJI, NAKAMURA DAISUKE
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:Provided is a polycarbonate resin composition having excellent impact strength, molding residence stability, and dry heat resistance and that maintains high total light transmittance while suppressing light transmittance in a specific ultraviolet region, that is, harmful wavelengths near 420 nm. The polycarbonate resin composition of the present disclosure includes 0.1-1.5 mass part of an additive (B) per 100 mass parts of a polycarbonate resin (A) having a viscosity average molecular weight of 21,000-26,000 and includes 0.2 mass part or more of an ultraviolet absorber (B1) having a benzotriazole skeleton represented by formula 1 as the additive (B): In formula 1, R1-R5 each independently represent any of a hydrogen atom, a C1-20 hydrocarbon group, and a hydroxyl group, and the hydrocarbon group(s) may include an oxygen-containing group; R6-R9 each independently represent any of a hydrogen atom or a sulfur-containing group represented by R-S-, and at least one of R6-R9 is a sulfur-containing group represented