C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/109, 402/575
C08F 4/642 (2006.01) C08F 12/00 (2006.01) C08F 12/04 (2006.01)
Patent
CA 2037639
A catalyst for polymerizing an aromatic vinyl compound, comprising a transition metal compound as a catalyst component (A) represented by the general formula (1): Image (1) where M is an element of IVa Group; X1 and X2 are respectively halogen; R1, R2, R3, R4, R5 and R6 are respectively hydrogen or an alkyl group of from 1 to 6 carbons; and m is an integer of 1 to 6; ana an aluminoxane as a catalyst component (B) represented by the general formula (2) or (3): Image (2) Image (3) where n is an integer of from 4 to 60; and R7 is an alkyl of from 1 to 6 carbons, phenyl or benzyl, preferably methyl, and a process for producing a polymer of an aromatic vinyl compound, comprising polymerizing the aromatic vinyl compound in the presence of the catalyst.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Tosoh Corporation
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