Tunable Thermo-Responsive Shape Memory Materials Enabled by Poly(<italic style="font-style: italic">ε</italic>-caprolactone)-Poly((2-vinyl)ethylene glycol) Copolymers <italic style="font-style: italic">via</italic> Facile Thiol-Ene Photo-Crosslink

Ming-Hang Wang; Fan Yang; Yong-Jian Zhang

doi:10.1007/s10118-025-3255-4

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Tunable Thermo-Responsive Shape Memory Materials Enabled by Poly(ε-caprolactone)-Poly((2-vinyl)ethylene glycol) Copolymers via Facile Thiol-Ene Photo-Crosslink

RESEARCH ARTICLE | Updated：2025-01-23

- Tunable Thermo-Responsive Shape Memory Materials Enabled by Poly(ε-caprolactone)-Poly((2-vinyl)ethylene glycol) Copolymers via Facile Thiol-Ene Photo-Crosslink
- Tunable Thermo-Responsive Shape Memory Materials Enabled by Poly(ε-caprolactone)-Poly((2-vinyl)ethylene glycol) Copolymers via Facile Thiol-Ene Photo-Crosslink
- 高分子科学（英文） 2025年43卷第2期页码：278-288
- Affiliations：
  
  a.Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Frontiers Science Center for Transformative Molecules, and School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  b.Sichuan Research Institute, Shanghai Jiao Tong University, Chengdu 610042, China
- Author bio：
  
  yjian@sjtu.edu.cn
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 22171182) and Sichuan Tianfu Emei Plan. We thank the Instrumental Analysis Center of Shanghai Jiao Tong University for GPC analysis.;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-025-3255-4.
- DOI：10.1007/s10118-025-3255-4
  中图分类号：
- 收稿：2024-09-28，
  
  修回：2024-10-19，
  
  录用：2024-10-21，
  
  网络首发：2025-01-18，
  
  纸质出版：2025-02-01
- Accepted：
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Wang, M. H.; Yang, F.; Zhang, Y. J. Tunable thermo-responsive shape memory materials enabled by poly(ε-caprolactone)-poly((2-vinyl)ethylene glycol) copolymers via facile thiol-ene photo-crosslink. Chinese J. Polym. Sci. 2025, 43, 278–288

Ming-Hang Wang, Fan Yang, Yong-Jian Zhang. Tunable Thermo-Responsive Shape Memory Materials Enabled by Poly(ε-caprolactone)-Poly((2-vinyl)ethylene glycol) Copolymers via Facile Thiol-Ene Photo-Crosslink[J]. Chinese Journal of Polymer Science, 2025, 43(2): 278-288. DOI: 10.1007/s10118-025-3255-4.
Wang, M. H.; Yang, F.; Zhang, Y. J. Tunable thermo-responsive shape memory materials enabled by poly(ε-caprolactone)-poly((2-vinyl)ethylene glycol) copolymers via facile thiol-ene photo-crosslink. Chinese J. Polym. Sci. 2025, 43, 278–288 DOI： 10.1007/s10118-025-3255-4.

Ming-Hang Wang, Fan Yang, Yong-Jian Zhang. Tunable Thermo-Responsive Shape Memory Materials Enabled by Poly(ε-caprolactone)-Poly((2-vinyl)ethylene glycol) Copolymers via Facile Thiol-Ene Photo-Crosslink[J]. Chinese Journal of Polymer Science, 2025, 43(2): 278-288. DOI: 10.1007/s10118-025-3255-4. DOI：

摘要

Novel poly(ε-caprolactone) (PCL)-poly(2-vinyl)ethylene glycol (PVEG) copolymers are synthesized by synergistic catalysis and a serious tunable crosslinked SMPs are afforded by facile thiol-ene photo-click reaction of the copolymers with multifunctional thiols with high shape memory performance and adjustable thermal and mechanical properties.

Abstract

Control crosslink network and chain connectivity are essential to develop shape memory polymers (SMPs) with high shape memory capabilities

adjustable response temperature

and satisfying mechanistical properties. In this study

novel poly(

-caprolactone) (PCL)-poly(2-vinyl)ethylene glycol (PVEG) copolymers bearing multi-pendant vinyl groups is synthesized by branched-selective allylic etherification polymerization of vinylethylene carbonate (VEC) with linear and tetra-arm PCLs under a synergistic catalysis of palladium complex and boron reagent. Facile thiol-ene photo-click reaction of PCL-PVEG copolymers with multifunctional thiols can rapidly access a serious crosslinked SMPs with high shape memory performance. The thermal properties

mechanical properties and response temperature of the obtained SMPs are tunable by the variation o

f PCL prepolymers

vinyl contents and functionality of thiols. Moreover

high elastic modulus in the rubbery plateau region can be maintained effectively owing to high-density topological networks of the PCL materials. In addition

the utility of the present SMPs is further demonstrated by the post-functionalization

via

thiol-ene photo-click chemistry.

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references

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Tunable Thermo-Responsive Shape Memory Materials Enabled by Poly(ε-caprolactone)-Poly((2-vinyl)ethylene glycol) Copolymers via Facile Thiol-Ene Photo-Crosslink

DOI：10.1007/s10118-025-3255-4

摘要

Abstract

关键词

Keywords

references