Catalyst systems for producing polyolefins having a broad...

Details Catalyst systems for producing polyolefins having a broad... Catalyst systems for producing polyolefins having a broad...

C - Chemistry, Metallurgy

08

F

402/551, 252/93

C08F 4/60 (2006.01) C08F 10/00 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)

Patent

CA 1323621

CATALYST SYSTEMS FOR PRODUCING POLYOLEFINS HAVING A BROAD MOLECULAR WEIGHT DISTRIBUTION ABSTRACT The invention provides catalyst systems for use in the polymerization of olefins to produce a polymer product having a broad molecular weight distribution. The catalyst system includes at least two different chiral, stereo-rigid metallocene catalysts of the formula R"(C5(R')4)2MeQp an aluminum compound, preferably an alumoxane. These catalyst systems are especially useful in the polymerization of propylene.

551887

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