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Polymers 2016, 8(3), 69; doi:10.3390/polym8030069

Homo- and Copolymerization of Ethylene and Norbornene with Anilido–Imine Chromium Catalysts

1
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610550, China
2
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
3
Key Laboratory for Polymeric Composite & Fuctional Materials of Ministry of Education, Guangdong Provincial Key Laboratory for High Performance, Polymer-based Composites Design and Synthesis of New Polymer Materials and Application Laboratory, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
*
Author to whom correspondence should be addressed.
Academic Editor: Changle Chen
Received: 28 December 2015 / Revised: 19 February 2016 / Accepted: 24 February 2016 / Published: 1 March 2016
(This article belongs to the Special Issue Metal-Mediated Polymer Synthesis)
View Full-Text   |   Download PDF [1660 KB, uploaded 1 March 2016]   |  

Abstract

A series of anilido–imine chromium complexes have been used as precursors to catalyze homo- and copolymerization of ethylene and norbornene. The chromium complexes activated with methylalumoxane (MAO) exhibit good activities for homopolymerization of ethylene (E) to produce linear polyethylene and moderate activities for norbornene (N) polymerization to afford vinyl-type polynorbornene. Ethylene–norbornene copolymers with high incorporation of norbornene can be also produced by these catalysts. 13C NMR and differential scanning calorimetry (DSC) analyses show that the copolymers are random products, and –NNN– and –EEE– units can be observed in the microstructure of the copolymers. View Full-Text
Keywords: anilido–imine chromium; ethylene; norbornene; copolymerization anilido–imine chromium; ethylene; norbornene; copolymerization
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Pei, L.; Tang, Y.; Gao, H. Homo- and Copolymerization of Ethylene and Norbornene with Anilido–Imine Chromium Catalysts. Polymers 2016, 8, 69.

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