Polypropylene resin composition

Details Polypropylene resin composition Polypropylene resin composition

1990-12-21

1994-02-01

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524423, 524505, 524451, 524301, 524529, 524394, 524400, 525 88, C08K 900

Patent

active

052832678

ABSTRACT:
The polypropylene resin composition of the present invention comprises specific proportions of a crystalline ethylene-propylene block copolymer, an hydrogenated block copolymer, an amorphous ethylene-propylene copolymer, surface-treated talc, fibrous magnesium oxysulfate of granular form and a metal soap. This resin composition is well balanced in rigidity and impact resistance, has good mar resistance, and can be preferably used in large-sized parts for automobiles, particularly instrument panels for automobiles.

REFERENCES:
patent: 4371662 (1983-02-01), Tone et al.
patent: 4562230 (1985-12-01), Fukui et al.
patent: 4705818 (1987-11-01), Kawai et al.

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