A kinetic study of novel bimetallic titanocene catalyst for syndiospecific styrene polymerization | Zendy

Yim JinHeong | Zendy; Young Cho Kuk | Zendy

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A kinetic study of novel bimetallic titanocene catalyst for syndiospecific styrene polymerization

Author(s) -

Yim JinHeong,

Young Cho Kuk

Publication year - 2007

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.25673

Subject(s) - bimetallic strip , catalysis , cationic polymerization , styrene , polymerization , polymer chemistry , metallocene , chemistry , ligand (biochemistry) , materials science , copolymer , organic chemistry , polymer , biochemistry , receptor

A kinetic study of a syndiospecific polymerization was performed with two kinds of catalysts: Cp*Ti(O(C 6 H 4 )CMe 2 (C 6 H 4 )O)TiCp* [bimetallic system] and Cp*Ti(OMe) 3 [monometallic system]. The purpose of this study was to determine the reasons behind the high activity of a bimetallic catalyst system. The active site structures of the two kinds of catalysts appears to be similar to the cationic Ti [III] species having η 5 ‐pentamethylcyclopentadienyl ligand, while the rate of the activation process of the bimetallic catalyst was found to be higher than that of the monometallic catalyst. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007

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