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

Wei  Li; Huaqin	 Yang; Jingjing Zhang; Jingshan Mu; Dirong Gong; Xiaodong Wang

doi:10.1039/C6CC04814E

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

Wei Li, Huaqin Yang, Jingjing Zhang, Jingshan Mu, Dirong Gong, Xiaodong Wang

Engineering

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Abstract

Polyhedral oligomericsilsesquioxanes (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 activesites and hindering the chain overlap in polymerization.The heterogeneous catalyst exhibits considerable activity in the
synthesis of weakly entangled polyethylene.

Original language	English
Pages (from-to)	11092-11095
Number of pages	4
Journal	Chemical Communications
Volume	52
Issue number	74
Early online date	17 Aug 2016
DOIs	https://doi.org/10.1039/C6CC04814E
Publication status	Published - 25 Sep 2016

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Immobilization of isolated FI catalyst on polyhedral oligomeric silsesquioxane-functionalized silica for the synthesis of weakly entangled polyethylene
This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. https://creativecommons.org/licenses/by/3.0/
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title = "Immobilization of isolated FI catalyst on polyhedral oligomeric silsesquioxane-functionalized silica for the synthesis of weakly entangled polyethylene",

abstract = "Polyhedral oligomericsilsesquioxanes (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 activesites and hindering the chain overlap in polymerization.The heterogeneous catalyst exhibits considerable activity in the synthesis of weakly entangled polyethylene.",

author = "Wei Li and Huaqin Yang and Jingjing Zhang and Jingshan Mu and Dirong Gong and Xiaodong Wang",

note = "This work was supported by the National Natural Science Foundation of China (21206078), Natural Science Foundation of Ningbo (2016A610048) and K.C. Wong Magna Fund in Ningbo University. X.W. also acknowledges support from School of Engineering, the University of Aberdeen.",

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T1 - Immobilization of isolated FI catalyst on polyhedral oligomeric silsesquioxane-functionalized silica for the synthesis of weakly entangled polyethylene

AU - Li, Wei

AU - Yang, Huaqin

AU - Zhang, Jingjing

AU - Mu, Jingshan

AU - Gong, Dirong

AU - Wang, Xiaodong

N1 - This work was supported by the National Natural Science Foundation of China (21206078), Natural Science Foundation of Ningbo (2016A610048) and K.C. Wong Magna Fund in Ningbo University. X.W. also acknowledges support from School of Engineering, the University of Aberdeen.

PY - 2016/9/25

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N2 - Polyhedral oligomericsilsesquioxanes (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 activesites and hindering the chain overlap in polymerization.The heterogeneous catalyst exhibits considerable activity in the synthesis of weakly entangled polyethylene.

AB - Polyhedral oligomericsilsesquioxanes (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 activesites and hindering the chain overlap in polymerization.The heterogeneous catalyst exhibits considerable activity in the synthesis of weakly entangled polyethylene.

U2 - 10.1039/C6CC04814E

DO - 10.1039/C6CC04814E

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JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

IS - 74

ER -

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

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