Facile Synthesis of Polycarbonate Diol<italic style="font-style: italic">via</italic>Copolymerization of CO<sub>2</sub>and Cyclohexene Oxide Catalysed by a Combination of One-Component Phosphonium Borane Lewis Pair and Water

Xiao-Wu Wang; Ji-Wen Hui; Yu-Tao Li; Yan-Ru Gu; Zhi-Bo Li

doi:10.1007/s10118-023-2925-3

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Facile Synthesis of Polycarbonate DiolviaCopolymerization of CO₂and Cyclohexene Oxide Catalysed by a Combination of One-Component Phosphonium Borane Lewis Pair and Water

RESEARCH ARTICLE | Updated：2023-04-21

- Facile Synthesis of Polycarbonate DiolviaCopolymerization of CO₂and Cyclohexene Oxide Catalysed by a Combination of One-Component Phosphonium Borane Lewis Pair and Water
- Chinese Journal of Polymer Science Vol. 41, Issue 5, Pages: 735-744(2023)
- Affiliations：
  
  a.State Key Laboratory Base of Eco-Chemical Engineering; College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
  b.Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Author bio：
  
  zbli@qust.edu.cn
- Funds：
- DOI：10.1007/s10118-023-2925-3
  CLC：
- Received：02 November 2022，
  
  Revised：2022-12-6，
  
  Accepted：09 December 2022，
  
  Online First：17 January 2023，
  
  Published：01 May 2023
- Accepted：
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Wang, X. W.; Hui, J. W.; Li, Y. T.; Gu, Y. R.; Li, Z. B. Facile synthesis of polycarbonate diolviacopolymerization of CO₂and cyclohexene oxide catalysed by a combination of one-component phosphonium borane lewis pair and water.Chinese J. Polym. Sci.2023,41, 735–744 DOI: 10.1007/s10118-023-2925-3.

Xiao-Wu Wang, Ji-Wen Hui, Yu-Tao Li, et al. Facile Synthesis of Polycarbonate DiolviaCopolymerization of CO₂and Cyclohexene Oxide Catalysed by a Combination of One-Component Phosphonium Borane Lewis Pair and Water[J]. Chinese Journal of Polymer Science, 2023, 41(5): 735-744. DOI: 10.1007/s10118-023-2925-3.
Wang, X. W.; Hui, J. W.; Li, Y. T.; Gu, Y. R.; Li, Z. B. Facile synthesis of polycarbonate diolviacopolymerization of CO₂and cyclohexene oxide catalysed by a combination of one-component phosphonium borane lewis pair and water.Chinese J. Polym. Sci.2023,41, 735–744 DOI: 10.1007/s10118-023-2925-3. DOI：

Xiao-Wu Wang, Ji-Wen Hui, Yu-Tao Li, et al. Facile Synthesis of Polycarbonate DiolviaCopolymerization of CO₂and Cyclohexene Oxide Catalysed by a Combination of One-Component Phosphonium Borane Lewis Pair and Water[J]. Chinese Journal of Polymer Science, 2023, 41(5): 735-744. DOI: 10.1007/s10118-023-2925-3. DOI：

摘要

Well-defined PCHC doils can be prepared via copolymerization of CO

and cyclohexene oxide catalysed by a combination of one-component phosphonium borane Lewis pair and water.

Abstract

Well-defined polycarbonate diol was successfully synthesized through a strategy using a combination of organocatalyst and water. Such strategy was less developed in organocatalyzed polymerization and frequently regarded as side reactions. Herein

one-component phosphonium borane Lewis pairs

PB1

−

PB8

were successfully applied in the copolymerization of CO

and cyclohexene oxide (CHO) to generate poly(CHO-

alt

-CO

) carbonate (PCHC). Parameters of linker length and counter anion effects on the catalyst activity were investigated. It was found that Lewis pair

PB3

served as a dual initiator and catalyst in the copolymerization of CHO and CO

with or without the presence of water. In contrast

Lewis pair

PB8

can serve as a true catalyst for the preparation of well-defined

-hydroxyl PCHC diols. This was achieved by introducing a labile CF

COO group as counter anion through anion exchange reaction while water molecules acted as chain transfer agents. The function of trifluoroacetate group in the polymerization process was investigated in detail and possible mechanism was proposed. Upon changing the amount of water and catalyst loading

PCHC diols with varied molecular weight (1.5 kg/mol to 7.5 kg/mol)

low dispersities (

1.2) and carbonate content (

99%) could be easily obtained. The low molecular weight PCHC diol was used as a bifunctional macroinitiator for the ring-opening polymerization of L-lactide (LLA) to afford ABA triblock copolymer in one-pot synthesis.

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Facile Synthesis of Polycarbonate DiolviaCopolymerization of CO2and Cyclohexene Oxide Catalysed by a Combination of One-Component Phosphonium Borane Lewis Pair and Water

DOI：10.1007/s10118-023-2925-3

摘要

Abstract

关键词

Keywords

references

Facile Synthesis of Polycarbonate DiolviaCopolymerization of CO₂and Cyclohexene Oxide Catalysed by a Combination of One-Component Phosphonium Borane Lewis Pair and Water