ALTERNATING COPOLYMERIZATION OF CYCLOHEXENE OXIDE AND CARBON DIOXIDE UNDER COBALT PORPHYRIN CATALYST

Yu-sheng Qin; Li-jie Chen; Xian-hong Wang; Xiao-jiang Zhao; Fo-song Wang

doi:10.1007/s10118-011-1073-3

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ALTERNATING COPOLYMERIZATION OF CYCLOHEXENE OXIDE AND CARBON DIOXIDE UNDER COBALT PORPHYRIN CATALYST

PAPER | Updated：2021-06-21

- ALTERNATING COPOLYMERIZATION OF CYCLOHEXENE OXIDE AND CARBON DIOXIDE UNDER COBALT PORPHYRIN CATALYST
- Chinese Journal of Polymer Science Vol. 29, Issue 5, Pages: 602-608(2011)
- Affiliations：
  
  Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  **Xian-hong Wang (王献红), E-mail: xhwang@ciac.jl.cn
- Funds：
- DOI：10.1007/s10118-011-1073-3
  CLC：
- Received：09 October 2010，
  
  Revised：2010-12-01，
  
  Accepted：07 December 2010，
  
  Published：2011
- Accepted：
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Yu-sheng Qin, Li-jie Chen, Xian-hong Wang, et al. ALTERNATING COPOLYMERIZATION OF CYCLOHEXENE OXIDE AND CARBON DIOXIDE UNDER COBALT PORPHYRIN CATALYST[J]. Chinese Journal of Polymer Science, 2011, 29(5): 602-608.
DOI：

Yu-sheng Qin, Li-jie Chen, Xian-hong Wang, et al. ALTERNATING COPOLYMERIZATION OF CYCLOHEXENE OXIDE AND CARBON DIOXIDE UNDER COBALT PORPHYRIN CATALYST[J]. Chinese Journal of Polymer Science, 2011, 29(5): 602-608. DOI： 10.1007/s10118-011-1073-3.

摘要

Abstract

Cobalt porphyrin complexes (TPPCo

III

X) (TPP = 5

20-tetraphenyl-porphyrin; X = halide) in combination with bis(triphenylphosphine) iminium chloride (PPNCl) were used for the copolymerization of cyclohexene oxide and CO

. The highest turnover frequency of 67.2 h

-1

was achieved after 13 h at 20℃

and the obtained poly(1

2-cyclohexylene carbonate) (PCHC) showed number average molecular weight (

) of 10 × 10

. Though the obtained PCHC showed atactic structure

the

-centered tetrads content reached 58.1% at CO

pressure of 1.0 MPa

and decreased to 51.9% at CO

pressure of 6.0 MPa

indicating that it was inclined to form atactic polymer at high CO

pressure.

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