Process for the preparation of an olefin polymer

Details Process for the preparation of an olefin polymer Process for the preparation of an olefin polymer

1988-08-04

1993-04-20

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526281, 526160, C08F 3204, C08F 4642

Patent

active

052044297

ABSTRACT:
Crystalline, isotactic homopolymers of cycloolefins or elastic copolymers made from cycloolefins and linear olefins are obtained, without ring opening of the cycloolefins, at industrially favorable polymerization temperatures by means of a catalyst which comprises a stereorigid, chiral metallocene compound of groups IVb to VIb of the Periodic Table of the Elements and an aluminoxane.

REFERENCES:
patent: 3366616 (1968-01-01), Tietz
patent: 4542199 (1985-09-01), Kaminsky
patent: 4769510 (1988-09-01), Kaminsky et al.
patent: 4794096 (1988-12-01), Ewen
Boor et al., Die Makromolekulare Chemie 90 (1966) 26-37.
Kaminsky Die Angewandte Makromolekulare Chemie, Band 145/146, 1986, 149-160.

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