Block copolymerization process and product

Details Block copolymerization process and product Block copolymerization process and product

1980-10-20

1981-12-29

Levin, Stanford M.

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

Synthetic resins

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

525323, C08F29708

Patent

active

043083579

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.

REFERENCES:
patent: 3318976 (1967-05-01), Short
patent: 3378607 (1968-04-01), Jones et al.
patent: 3514501 (1970-05-01), Leibson et al.
patent: 3830787 (1974-08-01), Susa et al.
patent: 3953414 (1976-04-01), Galli et al.
patent: 4051313 (1977-09-01), Luciani et al.
patent: 4115319 (1978-09-01), Soata et al.
patent: 4149990 (1979-04-01), Giannini et al.

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