Transition metal catalyst component for polymerization, and...

Details Transition metal catalyst component for polymerization, and... Transition metal catalyst component for polymerization, and...

2005-05-10

2005-05-10

Wu, David W. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S131000, C526S160000, C526S170000, C526S943000, C526S348000, C526S346000, C556S051000, C556S052000, C556S053000, C502S103000, C502S202000

Reexamination Certificate

active

06891004

ABSTRACT:
A transition metal catalyst component for polymerization, composed of a metal complex comprising specific ligands and a specific substituted boron group and having a bridging group, which exhibits a very high activity for an olefin type (co)polymerization or an olefin-aromatic vinyl compound copolymerization, whereby the molecular weight of a copolymer obtainable, is high. A method for producing an olefin (co)polymer and an aromatic vinyl compound-olefin copolymer, by means thereof.

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Arthur J. Ashee, III: “Aminoboranediyl-Bridged Zirconocenes: Highly Active Olefin Polymerization Catalysts” ORGANOMETALLICS, vol. 18, no. 12, pp. 2288-2290.
Toru Arai, et al., International Symposium on “Future Technology for Polyolefin and Olefin Polymerization Catalysis”, Mar. 21-24, 2001 at Tokyo Institute of Technology.
Toru Arai, et al., Polymer Preprints, Japan, vol. 50, No. 8 (2001), pp. 1414-1415.

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