Block copolymerization process

Details Block copolymerization process Block copolymerization process

1979-07-27

1981-08-18

Hamrock, William F.

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

Synthetic resins

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

525270, 525323, C08F25504

Patent

active

042847397

ABSTRACT:
A process for the preparation of ethylene-propylene block copolymers at high catalyst productivity rates resulting in polymer products having improved impact strength-polymerized ethylene content relationship.

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patent: 3953414 (1976-04-01), Galli et al.
patent: 3960987 (1976-06-01), Kelley et al.
patent: 4051313 (1977-09-01), Luciani et al.
patent: 4115319 (1978-09-01), Scata et al.

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