Molded polypropylene-.alpha.-olefin product having low coefficie

Details Molded polypropylene-.alpha.-olefin product having low coefficie Molded polypropylene-.alpha.-olefin product having low coefficie

1992-08-21

1993-10-12

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...

524425, 524449, 524451, C08J 510, C08K 304, C08L 2312

Patent

active

052526593

ABSTRACT:
A molded product of a polypropylene composition comprising 60 to 85% by weight of a polymer mixture, 2 to 10% by weight of a fibrous filler, and 5 to 38% by weight of an extender. The polymer mixture comprises 30 to 70 parts by weight of polypropylene and 30 to 70 parts by weight of a copolymer of ethylene and an alpha-olefin having a Mooney viscosity [ML.sub.1+4 (100.degree. C.)] which is lower than 70 out of a total of 100 parts of polypropylene and copolymer. The copolymer forms particles dispersed in the product, and the particles have an aspect ratio of at least 5.

REFERENCES:
patent: 4521487 (1985-06-01), Mitsuno et al.
patent: 4891399 (1990-01-01), Ohkawa et al.

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