Long chain branching in polyolefins from Ziegler-Natta catalysts

Details Long chain branching in polyolefins from Ziegler-Natta catalysts Long chain branching in polyolefins from Ziegler-Natta catalysts

1986-01-13

1989-07-25

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 75, C08F 466, C08F 1002

Patent

active

048514896

ABSTRACT:
Generally, linear polyethylene containing long chain branching is obtained by polymerizing ethylene in the presence of a catalyst comprising a transition metal compound such as titanium chloride, an organoaluminum compound represented by the formula R.sub.1 R.sub.2 AlR.sub.p wherein R.sub.1 and R.sub.2 are the same or different hydrocarbyl groups having from 1 to 18 carbon atoms and R.sub.p is a polymeric hydrocarbyl group containing long chain branching aluminum alkyl cocatalyst.

REFERENCES:
patent: 3984610 (1976-10-01), Elston
patent: 4525257 (1985-06-01), Kurtz et al.
patent: 4586995 (1986-05-01), Randall et al.

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