High temperature polymerization process using ionic catalysts to

Details High temperature polymerization process using ionic catalysts to High temperature polymerization process using ionic catalysts to

1993-06-14

1995-04-18

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526127, 526131, 526160, 526170, 5263486, 526352, 502155, C08F 4643

Patent

active

054080177

ABSTRACT:
This invention relates to a process for polymerizing olefins at high pressures in a polymerization medium at high temperature utilizing an ionic olefin polymerization catalyst derived from the reaction of a cyclopentadienyl-containing transition metal compound having a hydrolyzable alkyl or hydride ligand with an ion exchange activator. The ionic catalyst system has been found to be highly active at temperatures of 160.degree. C. or greater, to provide a process capable of producing polymer products of desired chemical and physical properties at high production rates.

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1297a Die Makromolekulare Chemie, Rapid Communications 13 (1992) Jan., No. 1, Basel, CH.
Periodic Table of The Elements as described by "Chemical and Engineering News", 63 (5), p. 27, 1985.

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