Process for continuously producing a high-melt viscoelastic ethy

Details Process for continuously producing a high-melt viscoelastic ethy Process for continuously producing a high-melt viscoelastic ethy

1986-12-17

1988-07-26

Smith, Edward J.

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

Synthetic resins

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

525247, 525323, C08F29708

Patent

active

047601132

ABSTRACT:
A continuous polymerization process for producing a high-melt viscoelastic ethylene-propylene copolymer by the use of Ziegler-Natta catalyst, which process make it possible to stably produce an ethylene-propylene block copolymer having superior physical properties suitable to sheet molding and blow molding and capable of producing large-size molded products is provided,

REFERENCES:
patent: 3378607 (1968-04-01), Jones et al.
patent: 3642951 (1972-02-01), Shirai et al.
patent: 4066718 (1978-01-01), Saito et al.
patent: 4339557 (1982-07-01), Hasuo et al.
patent: 4499247 (1985-02-01), Chiba et al.

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