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Abstract

A novel metallocene catalyst for the polymerization of olefin (co)polymers is of the general formula: R--SO.sub.2 --L--M--(X).sub.m T.sub.n wherein, M is a metal selected from Groups 3-10; T is a polymerization-stable anionic ancillary ligand; m+n is the valency of M minus 1; R is a C.sub.1 -C.sub.20 alkyl group, a C.sub.6 -C.sub.20 aryl ring or a C.sub.6 -C.sub.20 alkaryl or aralkyl group, optionally substituted with a halogen or an alkoxy group up to 10 carbon atoms; X is a halogen, alkoxy from C.sub.1 to C.sub.20, siloxy from C.sub.1 to C.sub.20, N(R).sub.2, a hydrocarbyl group containing up to about 12 carbon atoms, hydrogen or another univalent anionic ligand, or mixtures thereof; L is T as defined above with the proviso that one of the sites available for substitution is the attachment site of the sulfonyl group; and wherein L and T may be bridged.

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First Claim