Issue 74, 2016
From the journal:

Chemical Communications

Immobilization of isolated FI catalyst on polyhedral oligomeric silsesquioxane-functionalized silica for the synthesis of weakly entangled polyethylene†

Wei Li,*a   Huaqin Yang,a   Jingjing Zhang,a   Jingshan Mu,a   Dirong Gonga  and  Xiaodong Wangb  

* Corresponding authors

a Department of Polymer Science and Engineering, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, P. R. China
E-mail: liwei@nbu.edu.cn

b School of Engineering, University of Aberdeen, Aberdeen AB24 3UE, Scotland, UK

Abstract

Polyhedral oligomeric silsesquioxanes (POSSs) were adsorbed on methylaluminoxane-activated silica for the immobilization of fluorinated bis(phenoxyimine)Ti complexes (FI catalyst). These POSSs have been characterized as horizontal spacers isolating the active sites and hindering the chain overlap in polymerization. The heterogeneous catalyst exhibits considerable activity in the synthesis of weakly entangled polyethylene.

Graphical abstract: Immobilization of isolated FI catalyst on polyhedral oligomeric silsesquioxane-functionalized silica for the synthesis of weakly entangled polyethylene

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Article information

DOI
https://doi.org/10.1039/C6CC04814E
Article type
Communication
Submitted
12 Jun 2016
Accepted
17 Aug 2016
First published
17 Aug 2016
This article is Open Access
Creative Commons BY license

Chem. Commun., 2016,52, 11092-11095

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Immobilization of isolated FI catalyst on polyhedral oligomeric silsesquioxane-functionalized silica for the synthesis of weakly entangled polyethylene

W. Li, H. Yang, J. Zhang, J. Mu, D. Gong and X. Wang, Chem. Commun., 2016, 52, 11092 DOI: 10.1039/C6CC04814E

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