Reinforced polypropylene composition

Details Reinforced polypropylene composition Reinforced polypropylene composition

1990-03-22

1992-01-21

Michl, Paul R.

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...

524499, 524502, 524511, C08K 334

Patent

active

050828894

ABSTRACT:
A reinforced polypropylene composition comprising from 50 to 80% by weight a resin component comprising from 35 to 90 parts by weight a crystalline polypropylene (A) from 5 to 60 parts by weight a polyethylene resin (B), and from 5 to 30 parts by weight an aromatic hydrocarbon resin (C), the sum of (A), (B), and (C) being 100 parts by weight; from 15 to 45% by weight talc (D); and from 1 to 40% by weight glass fiber (E); the sum of the talc and the glass fiber being not more than 50% by weight, wherein the percentages are based on the sum of (A)+(B)+(C)+(D)+(E).

REFERENCES:
patent: 4603153 (1986-07-01), Sobajima et al.
patent: 4707528 (1987-11-01), Koizumi et al.
patent: 4731401 (1988-03-01), Moteki et al.

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