Propylene resin compositions containing talc

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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525451, C08K 334

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active

057475768

ABSTRACT:
A propylene resin composition containing talc, comprising the following components (a), (b) and (c) is provided: (a) 100 parts by weight of a propylene/ethylene block copolymer containing a crystalline propylene homopolymer part (Unit A part) and an ethylene/propylene random copolymer part (Unit B part); (b) 0.1 to 80 parts by weight of talc having an average particle size of 1.5 to 20 microns and an average aspect ratio of not less than 4; and (c) 2 to 80 parts by weight of an ethylene/.alpha.-olefin copolymer polymerized by using a metallocene catalyst, and containing an .alpha.-olefin having 3 to 16 carbon atoms. This composition has good paintability, molding processability (fluidity) and excellent mechanical strength balance, and is useful for a material for e.g., automobile parts.

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patent: 5308908 (1994-05-01), Fukui et al.
patent: 5391618 (1995-02-01), Yamamoto et al.
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patent: 5464905 (1995-11-01), Tsutsui et al.
patent: 5543454 (1996-08-01), Kamakura et al.
Chemical Abstracts, AN-124: 233 982, JP-A-07 331 221, Dec. 19, 1995.

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