| 摘要 |
PROBLEM TO BE SOLVED: To provide a polypropylene resin composition which has absorption performance over wide wavelength ranges of ultraviolet, while suppressing fuming in molding and roll stain. SOLUTION: The polypropylene resin composition includes: 95 to 99.9 wt.% of a polypropylene resin, 0.1 to 5 wt.% of a benzotriazole ultraviolet absorber having a molecular weight of 400 or more (wherein the sum total of the polypropylene resin and the benzotriazole ultraviolet absorber is 100 wt.%). The polypropylene resin composition includes: 94.2 to 99.85 wt.% of the polypropylene resin, 0.1 to 5 wt.% of the benzotriazole ultraviolet absorber having a molecular weight of 400 or more, and 0.05 to 0.8 wt.% of a benzoate ultraviolet absorber (wherein the sum total of the polypropylene resin, the benzotriazole ultraviolet absorber, and the benzoate ultraviolet absorber is 100 wt.%). COPYRIGHT: (C)2011,JPO&INPIT
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