Gas phase polymerization of ethylene and c to c olefins

Details Gas phase polymerization of ethylene and c to c olefins Gas phase polymerization of ethylene and c to c olefins

C - Chemistry, Metallurgy

08

F

C08F 210/16 (2006.01) C08F 2/34 (2006.01) C08F 4/622 (2006.01) C08F 4/74 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01) C08F 210/18 (2006.01)

Patent

CA 2141616

2141616 9403509 PCTABS00030 This invention relates to a method for preparing ethylene-olefin copolymers by gas phase polymerization, especially ethylene-octene copolymer, said copolymers having a density of from about 0.850 to about 0.940 g/cc. Polymerization occurs in the presence of a Group 4,5 or 6 transition metal catalyst system which is activated by an organoaluminum cocatalyst or an ion exchange reagent containing a stable, non-coordinating anion.

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