Syndiotactic polystyrene with very high molecular weight produced by sterically and electronically modified catalyst

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A new type of the half-metallocene catalysts for the syndiospecific polymerization of styrene was prepared by the reaction of various kinds of trialkanolamine with Cp*TiCl3 in the presence of triethylamine. All seven compounds have a highly thermal stability and they show fairly good activities in the presence of cocatalyst MMAO in styrene polymerization. Especially, highly bulky and electronically deficient 7/MMAO system affords syndiotactic polystyrene with very high molecular weight. (C) 2002 Published by Elsevier Science B.V.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2002-08
Language
English
Article Type
Article
Keywords

SYNDIOSPECIFIC STYRENE POLYMERIZATION; STEREOSPECIFIC POLYMERIZATION; STEREOCHEMICAL CONTROL; METALLOCENE CATALYSTS; TITANIUM COMPLEXES; POLYETHYLENE

Citation

JOURNAL OF ORGANOMETALLIC CHEMISTRY, v.655, no.1-2, pp.186 - 191

ISSN
0022-328X
URI
http://hdl.handle.net/10203/2101
Appears in Collection
CH-Journal Papers(저널논문)
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