Hexene-1/4-methylpentene-1 random copolymer and process for prod

Details Hexene-1/4-methylpentene-1 random copolymer and process for prod Hexene-1/4-methylpentene-1 random copolymer and process for prod

1989-08-21

1991-02-05

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524579, 526125, 5263484, C08F21014

Patent

active

049905856

ABSTRACT:
A hexene-1/4 methylpentene-1 random copolymer composed of 65 to 90% by weight of hexene-1 unit and 35 to 10% by weight of 4-methylpentene-1 unit and having a polystyrene-reduced number average molecular weight of 20,000 to 500,000, which copolymer is useful in applications as rubber vibration insulators, modifiers for plastics and rubbers and adhesives. Said random copolymer is produced by copolymerizing 60 to 95% by weight of hexene-1 with 40 to 50% by weight of 4-methylpentene-1 in the presence of a Ziegler-Natta catalyst comprising a transition metal component and an organometal compound component.

REFERENCES:
patent: 3029215 (1962-04-01), Campbell
patent: 3093624 (1963-06-01), Gresham et al.
patent: 3489735 (1970-01-01), Clark et al.
patent: 3795616 (1974-03-01), Heilman et al.
patent: 4613712 (1986-09-01), Bridger

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