Title:
POLYOLEFIN RESIN COMPOSITION AND AUTOMOTIVE PILLAR MOLDING MADE THEREFROM
Document Type and Number:
Japanese Patent JP3401386
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an automotive interior polyolefin part which covers e.g. a pillar or a side roof rail.
SOLUTION: This composition contains 53-68 pts.wt. block copolymer containing 90-95wt.% crystalline polypropylene part having a density of 0.908g/cm3 or above and 5-10wt.% propylene/ethylene random copolymer part having an ethylene content of 35-45wt.% and having a melt flow rate (a 230°C under a load of 2.16kg) of 20-50g/10min, 12-20 pts.wt. ethylene/α-olefin copolymer rubber having a density of 0.85-0.87g/cm3, a melt flow rate (at 230°C under a load of 2.16kg) of 0.2-5g/10min and an α-olefin content of 30-40wt.% and 22-30 pts.wt. talc substantially having an entire length of 15μm or below, a mean particle diameter of 1.5-6μm and an aspect ratio of 5 or above.
Inventors:
Tomio Hirata
Kazuo Matsuyama
Kazuyuki Yamamoto
Kazushige Ohnishi
Zanka Yukihito
Takuya Kuryu
Takashi Niimi
Satoshi Ichikawa
Motoi Komatsu
Masahiro Terada
Kousuke Kosuke
Akira Kawai
Kazuo Matsuyama
Kazuyuki Yamamoto
Kazushige Ohnishi
Zanka Yukihito
Takuya Kuryu
Takashi Niimi
Satoshi Ichikawa
Motoi Komatsu
Masahiro Terada
Kousuke Kosuke
Akira Kawai
Application Number:
JP10704296A
Publication Date:
April 28, 2003
Filing Date:
April 26, 1996
Export Citation:
Assignee:
Nihon Plast Co., Ltd.
Mitsubishi Chemical Corporation
Nissan Motor Co., Ltd
Mitsubishi Chemical Corporation
Nissan Motor Co., Ltd
International Classes:
B60J1/02; C08L23/00; C08L23/08; C08L23/12; C08L23/16; C08L53/00; C08K3/34; (IPC1-7): C08L23/16; B60J1/02; C08K3/34
Attorney, Agent or Firm:
Akihide Sugimura (7 others)
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