SYNTHESIS OF FUNCTIONAL POLYETHYLENE <italic style="font-style: italic">via</italic> COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(<italic style="font-style: italic">β</italic>-ENAMINOKETONATO)TITANIUM CATALYSTS

Miao Hong; Bai-xiang Li; Yue-sheng Li

doi:10.1007/s10118-011-1081-3

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SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(β-ENAMINOKETONATO)TITANIUM CATALYSTS

Updated：2021-06-21

- SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(β-ENAMINOKETONATO)TITANIUM CATALYSTS
- Chinese Journal of Polymer Science Vol. 29, Issue 6, Pages: 692-698(2011)
- Affiliations：
  
  a.State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
  b.Graduate School of the Chinese Academy of Sciences, Changchun Branch, Changchun 130022, China
- Author bio：
  
  **Yue-sheng Li (李悦生), E-mail: ysli@ciac.jl.cn
- Funds：
- DOI：10.1007/s10118-011-1081-3
  CLC：
- Received：16 November 2010，
  
  Revised：2011-01-07，
  
  Accepted：11 January 2011，
  
  Published：2011
- Accepted：
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Miao Hong, Bai-xiang Li, Yue-sheng Li. SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(β-ENAMINOKETONATO)TITANIUM CATALYSTS[J]. Chinese Journal of Polymer Science, 2011, 29(6): 692-698. DOI: 10.1007/s10118-011-1081-3.
DOI：

Miao Hong, Bai-xiang Li, Yue-sheng Li. SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(β-ENAMINOKETONATO)TITANIUM CATALYSTS[J]. Chinese Journal of Polymer Science, 2011, 29(6): 692-698. DOI: 10.1007/s10118-011-1081-3. DOI：

摘要

Abstract

Novel copolymerization of ethylene with substituted allenes (CH

=C=CH—R

: R =

-butyl

: R =

-octyl) using bis(

-enaminoketonato)titanium catalysts [PhN=C(R

)CHC(R

)O]

TiCl

(

: R

= CF

= CH

;

: R

= Ph

= CF

) has been investigated. In the presence of modified methylaluminoxane

these catalysts can copolymerize ethylene with substituted allenes

affording copolymers with unimodal molecular weight distributions and homogeneous compositions. By varying the reaction conditions

the comonomer incorporation can be tuned in the range of 0-3.6 mol%.

H-NMR spectra reveal that the copolymerization proceeds through 1

2-insertion fashion of allene comonomer exclusively

and the regioselective nature maintains under various reaction conditions. The retained intra-chain double bond can be converted into the epoxy group under mild conditions.

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SYNTHESIS OF FUNCTIONAL POLYETHYLENE via COPOLYMERIZATION OF ETHYLENE AND SUBSTITUTED ALLENE USING BIS(β-ENAMINOKETONATO)TITANIUM CATALYSTS

DOI：10.1007/s10118-011-1081-3

摘要

Abstract

关键词

Keywords

references