Process for the production of impact polypropylene copolymers

Details Process for the production of impact polypropylene copolymers Process for the production of impact polypropylene copolymers

1987-07-07

1989-11-21

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525268, 525270, 525323, 525267, C08F29708

Patent

active

048823805

ABSTRACT:
A process for the production of a product comprising ethylene/propylene copolymer incorporated into a matrix of propylene homopolymer or copolymer comprising the following steps:

REFERENCES:
patent: 3629368 (1971-12-01), Fukuda et al.
patent: 4284738 (1981-08-01), Zukowski
patent: 4337326 (1982-06-01), Shiga et al.
patent: 4454299 (1984-06-01), Schweier et al.
patent: 4520163 (1985-05-01), Goodall
patent: 4582878 (1986-04-01), Chiba et al.
patent: 4740551 (1988-04-01), Foster
patent: 4820775 (1989-04-01), Shiga et al.

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