✦ LIBER ✦

Synthesis of high-molecular-weight elastomeric poly(propylene) with half-titanocene/MAO catalyst

✍ Scribed by Meiran Xie; Qing Wu; Shangan Lin

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 41 KB
Volume: 20
Category: Article
ISSN: 1022-1336
DOI: 10.1002/(sici)1521-3927(19990301)20:3<167::aid-marc167>3.0.co;2-n

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✦ Synopsis

A novel catalyst precursor, (g 5 -pentamethylcyclopentadienyl)titanium triallyloxide (Cp*Ti(OCH 2 1CH2CH 2 ) 3 ), was prepared and employed in a study of propylene polymerization in the presence of methylaluminoxane (MAO). This work has revealed that the half-titanocene catalyst is desirable for the production of elastomeric poly(propylene) with high molecular weight (M w = 8-69610 4 ) as well as in good yields under typical polymerization conditions.

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