Precise Construction of Polyester Polyol from Organocatalysis: Epoxide Slow-release and <italic style="font-style: italic">in situ</italic> Capture Strategy

Huai You; Shuo Yan; Xue-lin Song; Chun-wei Zhuo; Shun-jie Liu; Xian-hong Wang

doi:10.11777/j.issn1000-3304.2022.22315

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Precise Construction of Polyester Polyol from Organocatalysis: Epoxide Slow-release and in situ Capture Strategy

Research Article | 更新时间：2023-11-27

- Precise Construction of Polyester Polyol from Organocatalysis: Epoxide Slow-release and in situ Capture Strategy
  增强出版
- ACTA POLYMERICA SINICA Vol. 54, Issue 3, Pages: 327-335(2023)
- 作者机构：
  
  1.中国科学院长春应用化学研究所中国科学院生态环境高分子材料重点实验室长春 130022
  2.中国科学技术大学应用化学与工程学院合肥 230026
- 作者简介：
  
  Chun-wei Zhuo, E-mail: cwzhuo@ciac.ac.cn
  Xian-hong Wang, E-mail: xhwang@ciac.ac.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2022.22315
  CLC：
- Published：20 March 2023，
  
  Published Online：26 October 2022，
  
  Received：17 September 2022，
  
  Accepted：28 September 2022
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游怀,严硕,宋学霖等.有机催化精准制备聚酯多元醇：环氧化物原位缓释与捕捉策略[J].高分子学报,2023,54(03):327-335.

You Huai,Yan Shuo,Song Xue-lin,et al.Precise Construction of Polyester Polyol from Organocatalysis: Epoxide Slow-release and in situ Capture Strategy[J].ACTA POLYMERICA SINICA,2023,54(03):327-335.
游怀,严硕,宋学霖等.有机催化精准制备聚酯多元醇：环氧化物原位缓释与捕捉策略[J].高分子学报,2023,54(03):327-335. DOI： 10.11777/j.issn1000-3304.2022.22315.

You Huai,Yan Shuo,Song Xue-lin,et al.Precise Construction of Polyester Polyol from Organocatalysis: Epoxide Slow-release and in situ Capture Strategy[J].ACTA POLYMERICA SINICA,2023,54(03):327-335. DOI： 10.11777/j.issn1000-3304.2022.22315.

摘要

基于低张力五元环张碳酸酯可控缓释环氧化物以及原位捕捉策略，开创了一种有机鎓盐PPNTFA(双(三苯基正膦基)三氟乙酸铵)催化的苯酐PA与环状碳酸酯(碳酸乙烯酯EC，碳酸丙烯酯PC)调节共聚反应，成功实现了苯酐聚酯多元醇的简便、高效、精准制备.在180 ℃下反应30 min，苯酐的转化率和聚合物产率均可达99%以上. 通过改变链转移剂的种类和用量可以对目标聚合物微结构、拓扑结构和分子量(

SEC

= 1300~17700 g/mol)等关键参数进行可控调节. 而且，改变环状碳酸酯种类可以按需调整聚酯多元醇的骨架结构.

Abstract

Herein

based on the epoxide slow-release from cyclic carbonate and

in situ

capture strategy

we developed a novel telomerization reaction of PA/cyclic carbonates (ethylene carbonate

EC; propylene carbonate

PC) catalyzed by organic onium salt PPNTFA (bis(triphenylphosphine)iminium ammonium trifluoroacetate)

enabling the fast

efficient and precise preparation of PA-based polyester polyol. The conversion of PA and the yield of targeted polymer were more than 99% after maintaining for 30 min at 180 ℃. Through changing the types and dosage of chain transfer agent

the key parameters such as microstructure

topology and molecular weight of the targeted polymer (

SEC

= 1300‒17700 g/mol) can be controllably adjusted. Moreover

the backbone structure of polyester polyol can be customized on demand by applying various cyclic carbonates.

关键词

苯酐聚酯多元醇有机催化环状碳酸酯环氧化物缓释与原位捕捉调节共聚反应

Keywords

PA-based polyester polyolOrganocatalysisCyclic carbonateEpoxide slow-release and in situ captureTelomerization

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⁰

Precise Construction of Polyester Polyol from Organocatalysis: Epoxide Slow-release and in situ Capture Strategy

DOI：10.11777/j.issn1000-3304.2022.22315

摘要

Abstract

关键词

Keywords

references