Journal article
ESR studies on oxidation state of titanocene and zirconocene catalysts
Abstract
An on‐line electron spin resonance (ESR) technique was applied to investigate the oxidation states of the metallocene catalysts CpTiCl3, CpZrCl3, Cp2TiCl2, and Cp2ZrCl2. These metallocene catalysts were activated by modified methylaluminoxane (MMAO). It was found that the titanocene catalysts (CpTiCl3 and Cp2TiCl2) were readily reduced to the trivalent state while the zirconocene catalysts (CpZrCl3 and Cp2ZrCl2) were quite stable with respect …
Authors
Huang YH; Yu Q; Zhu S; Rempel GL; Li L
Journal
Journal of Polymer Science Part A Polymer Chemistry, Vol. 37, No. 10, pp. 1465–1472
Publisher
Wiley
Publication Date
May 15, 1999
DOI
10.1002/(sici)1099-0518(19990515)37:10<1465::aid-pola9>3.0.co;2-q
ISSN
0887-624X