Propylene resin composition

Details Propylene resin composition Propylene resin composition

1993-04-16

1995-07-11

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523210, 523217, 524275, 524277, 524283, 524306, 524308, 524451, 524505, 525 89, 525 95, C08K 900, C08J 300, C08L 9106, C08L 5300

Patent

active

054322090

ABSTRACT:
A propylene resin composition containing a propylene-ethylene block copolymer containing (a) a crystalline polypropylene moiety (constituent A) and an ethylene-propylene random copolymer moiety (constituent B), (b) a styrene-ethylene-butylene-styrene block copolymer which contains 10% to 25% of bound styrene, and (c) at least one filler selected from talc and inorganic whiskers and wherein the surface of the filler is treated with one of the organic compounds (I), (II) and (III) having the formulas, ##STR1## in which the various substituents and R groups are as defined in the specification and claims. The composition of the present invention has excellent mechanical strength, moldability and is capable of producing molded products having an excellent appearance.

REFERENCES:
patent: 3480696 (1969-11-01), Hassell et al.
patent: 4073766 (1978-02-01), Fein et al.
patent: 4276208 (1981-06-01), Ogawa et al.
patent: 4914155 (1990-04-01), Shimomura et al.
patent: 5045589 (1991-09-01), Ueno
patent: 5196270 (1993-03-01), Kitagawa et al.
Database WPI, Week 9217, Derwent Publications Ltd., London, GB; AN 92-136825 & JP-1-4077567 (Mitsubishi Petroch. K.K.) 11 Mar. 1992 *abstract*.
Chemical Abstracts, vol. 115, No. 24, 16 Dec. 1991, Columbus, Ohio, U.S.; abstract No. 257978j, *abstract* & JP-A-03146541 (Toyoda Gosei Co., Ltd.) 21 Jun. 1991.

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