Synthesis of Polycarbonate Block Terpolymers Using Robust Cobalt Catalyst Systems

Ying-Jie Jiang; Wei-Min Ren; Ye Liu; Xiao-Bing Lu

doi:10.1007/s10118-019-2270-8

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Synthesis of Polycarbonate Block Terpolymers Using Robust Cobalt Catalyst Systems

ARTICLE | Updated：2021-02-18

- Synthesis of Polycarbonate Block Terpolymers Using Robust Cobalt Catalyst Systems
- Chinese Journal of Polymer Science Vol. 37, Issue 12, Pages: 1200-1204(2019)
- Affiliations：
  
  State key laboratory of fine chemicals, Dalian University of Technology, Dalian 116024, China
- Author bio：
  
  wmren@dlut.edu.cn (W.M.R.)
  xblu@dlut.edu.cn (X.B.L.)
- Funds：
- DOI：10.1007/s10118-019-2270-8
  CLC：
- Received：18 March 2019，
  
  Accepted：04 April 2019，
  
  Online First：03 June 2019，
  
  Published：2019-12
- Accepted：
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Jiang, Y. J.; Ren, W. M.; Liu, Y.; Lu, X. B. Synthesis of polycarbonate block terpolymers using robust cobalt catalyst systems. Chinese J. Polym. Sci. 2019, 37, 1200–1204.

Ying-Jie Jiang, Wei-Min Ren, Ye Liu, et al. Synthesis of Polycarbonate Block Terpolymers Using Robust Cobalt Catalyst Systems[J]. Chinese Journal of Polymer Science, 2019, 37(12): 1200-1204.
Jiang, Y. J.; Ren, W. M.; Liu, Y.; Lu, X. B. Synthesis of polycarbonate block terpolymers using robust cobalt catalyst systems. Chinese J. Polym. Sci. 2019, 37, 1200–1204. DOI： 10.1007/s10118-019-2270-8.

Ying-Jie Jiang, Wei-Min Ren, Ye Liu, et al. Synthesis of Polycarbonate Block Terpolymers Using Robust Cobalt Catalyst Systems[J]. Chinese Journal of Polymer Science, 2019, 37(12): 1200-1204. DOI： 10.1007/s10118-019-2270-8.

摘要

Abstract

This contribution reports an efficient approach for preparing polycarbonate block terpolymers by immortal stepwise copolymerization of CO

with different epoxides in the presence of enol chain transfer

mediated by robust cobalt catalyst systems consisting of the fluorine substituted salenCo(III)NO

or biphenol-linker bimetallic Co(III) complex in conjunction with an ionic cocatalyst

PPNX (PPN = bis(triphenylphosphine)iminium

X = NO

–

or 2

4-dinitrophenoxide). Various polycarbonate block terpolymers were obtained in perfectly unimodal distribution of their molecular weights with narrow polydispersity. They all possessed only one broad glass transition temperature

which could be adjusted by altering the length of different polycarbonate segments.

关键词

Keywords

references

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