Fiber-reinforced polypropylene resin composition and molded article of same
AssigneeJapan Polypropylene Corporation
InventorsNaoya AOKI, Kazumasa KONDO, Kenji MASUDA, Masashi SHIMOUSE
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Abstract
Provided are a fiber-reinforced polypropylene resin composition, and a molded article prepared therefrom having good grain transfer characteristics, a good appearance, a soft surface texture, high rigidity, and high heat resistance. The fiber-reinforced polypropylene resin composition contains a specific propylene-ethylene random copolymer and a specific fiber, and optionally contains a propylene-ethylene block copolymer satisfying four conditions, such as sequential polymerization in the presence of a metallocene catalyst, a thermoplastic elastomer satisfying two conditions, such as MFR, and a specific propylene polymer resin.
Claims8
A fiber-reinforced polypropylene resin composition comprising 100 parts by weight of a propylene-ethylene random copolymer (A) and 10 to 200 parts by weight of a fiber (C), the propylene-ethylene random copolymer (A) having properties (A-i) and (A-ii):
- (A-i):
- a peak melting temperature (Tm) of 110 to 150° C. determined by DSC, and
- (A-ii):
- a melt flow rate (230° C., 2.16 kg load) of 0.5 to 200 g/10 min;
- and the fiber (C) comprising:
- (C-i):
- at least one of a glass fiber and a carbon fiber.
Dependencies are inferred from the claim text.