Anion-binding Catalytic Controlled Cationic Polymerization of 2,3-Dihydrofuran

Zhen Zhang; Jin-long Chen; Mao-sheng Li; You-hua Tao

doi:10.11777/j.issn1000-3304.2025.25176

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Anion-binding Catalytic Controlled Cationic Polymerization of 2,3-Dihydrofuran

Research Article | 更新时间：2026-02-01

- Anion-binding Catalytic Controlled Cationic Polymerization of 2,3-Dihydrofuran
- Acta Polymerica Sinica Vol. 57, Issue 2, Pages: 460-469(2026)
- 作者机构：
  
  1.中国科学院长春应用化学研究所高分子科学与技术重点实验室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：
  
  You-hua Tao, E-mail: youhua.tao@ciac.ac.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2025.25176
  CLC：
- CSTR：32057.14.GFZXB.2025.7460
- Received：28 July 2025，
  
  Accepted：22 August 2025，
  
  Published Online：15 October 2025，
  
  Published：20 February 2026
- 稿件说明：
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张桢, 陈金龙, 李茂盛, 陶友华. 阴离子结合催化的2,3-二氢呋喃可控阳离子聚合研究. 高分子学报, 2026, 57(2), 460-469.

Zhang, Z.; Chen, J. L.; Li, M. S.; Tao, Y. H. Anion-binding catalytic controlled cationic polymerization of 2,3-dihydrofuran. Acta Polymerica Sinica (in Chinese), 2026, 57(2), 460-469.
张桢, 陈金龙, 李茂盛, 陶友华. 阴离子结合催化的2,3-二氢呋喃可控阳离子聚合研究. 高分子学报, 2026, 57(2), 460-469. DOI： 10.11777/j.issn1000-3304.2025.25176. CSTR： 32057.14.GFZXB.2025.7460.

Zhang, Z.; Chen, J. L.; Li, M. S.; Tao, Y. H. Anion-binding catalytic controlled cationic polymerization of 2,3-dihydrofuran. Acta Polymerica Sinica (in Chinese), 2026, 57(2), 460-469. DOI： 10.11777/j.issn1000-3304.2025.25176. CSTR： 32057.14.GFZXB.2025.7460.

摘要

面向可持续高分子材料的迫切需求，发展同时兼具高性能与可降解性的新型聚合物体系，已成为高分子科学领域的研究热点之一. 聚2

3-二氢呋喃(PDHF)，是一种通过阳离子聚合制备的可降解乙烯基聚合物，高分子量的PDHF展现出优异的力学性能. 然而，受限于传统阳离子聚合方法，合成高分子量PDHF依然面临挑战. 本工作报道了一种阴离子结合催化的2

3-二氢呋喃(DHF)可控阳离子聚合方法. 通过合理选择硒代环磷酰胺催化剂结构与阳离子引发物种，可控合成了数均分子量高达427 kg/mol的PDHF. 性能测试表明高分子量PDHF表现出优异的热机械性能、气体阻隔性以及光学透明性. 此外，进一步研究了最优催化体系下DHF的立体选择性聚合，成功合成了顺式构型重复单元比例达67%的PDHF，其玻璃化转变温度高达168 ℃，显著高于高反式构型的对应聚合物.

Abstract

To address the pressing demand for sustainable polymeric materials

the development of novel polymer systems combining high performance with controllable degradation characteristics has become a significant challenge in polymer science. Poly-2

3-dihydrofuran (PDHF)

a degradable vinyl polymer synthesized

via

cationic polymerization

exhibits excellent service performance at high molecular weights. However

the synthesis of high-molecular-weight PDHF remains challenging due to inherent limitations in conventional cationic polymerization methods. Herein

we report a controlled cationic polymerization of DHF mediated by anion-binding catalysis. Through meticulous screening of anion-binding catalysts and cationic initiators

PDHF with molecular weight of 427 kg/mol was successfully synthesized for the first time. The resultant PDHF demonstrated outstanding thermomechanical properties

barrier performance

optical transparency

and adhesive characteristics. Furthermore

we explored the stereoselective polymerization of DHF under anion-binding catalytic conditions

achieving the synthesis of 67%

cis

-isomer-enriched PDHF with an elevated glass transition temperature (

) of 168 ℃

which was markedly higher than

trans

-isomer-enriched PDHF.

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references

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