Olefin polymerization process

Details Olefin polymerization process Olefin polymerization process

1990-08-27

1992-04-28

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526127, 526151, 526152, 526279, 5263484, 526905, 502102, 502154, C08F 452

Patent

active

051090856

ABSTRACT:
A process for polymerizing olefins is disclosed which makes use of a catalyst comprising a cyclopentadienyl lanthanide halide alkali metal ether complex in combination with a cocatalyst comprising an alkali or alkaline earth metal alkyl. Preferred embodiments include the use of hydrogen during the polymerization or the use of an organoaluminum hydride as an additional cocatalyst.

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patent: 4623707 (1986-11-01), Bedell et al.
patent: 4632912 (1986-12-01), Bedell et al.
patent: 4665046 (1987-05-01), Campbell, Jr.
patent: 4716257 (1987-12-01), Marks et al.
Inorg. Chem., 20, 3267-3270 (1981), T. Don Tilley and Richard A. Andersen; 3271-3278, Patricia L. Waton, John F. Whitney, and Richard L. Harlow.

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