<italic style="font-style: italic">In Situ</italic> Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector

Xin-Hong Xiong; Lu-Lu Xue; Sheng Wang; Shi-Fang Zhao; Xiang Guo; Mei Li; Jia-Xi Cui

doi:10.1007/s10118-022-2755-8

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In Situ Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector

RAPID COMMUNICATION | Updated：2022-10-25

- In Situ Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector
- In Situ Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector
- 高分子科学（英文版） 2022年40卷第11期页码：1317-1322
- Affiliations：
  
  a.Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, China
  b.Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
  c.College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
  d.School of medicine, Shaoxing University, Shaoxing 312000, China
  e.School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
  f.Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, China
- Author bio：
  
  Jiaxi.Cui@uestc.edu.cn
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 51973023), Sichuan Science and Technology Program (No. 2021JDRC0014), and the Colleges and Universities Twenty Foundational Projects of Jinan City (No. 2021GXRC068).;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-022-2755-8.
- DOI：10.1007/s10118-022-2755-8
  中图分类号：
- 收稿：2022-03-16，
  
  修回：2022-4-6，
  
  录用：2022-4-20，
  
  网络首发：2022-06-17，
  
  纸质出版：2022-11-01
- Accepted：
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Xiong, X. H.; Xue, L. L.; Wang, S.; Zhao, S. F.; Guo, X.; Li, M.; Cui, J. X. In situ variation of interpenetrating polymer network topology using a photolabile connector. Chinese J. Polym. Sci. 2022, 40, 1317–1322

Xin-Hong Xiong, Lu-Lu Xue, Sheng Wang, et al. In Situ Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector[J]. Chinese Journal of Polymer Science, 2022, 40(11): 1317-1322. DOI: 10.1007/s10118-022-2755-8.
Xiong, X. H.; Xue, L. L.; Wang, S.; Zhao, S. F.; Guo, X.; Li, M.; Cui, J. X. In situ variation of interpenetrating polymer network topology using a photolabile connector. Chinese J. Polym. Sci. 2022, 40, 1317–1322 DOI： 10.1007/s10118-022-2755-8.

Xin-Hong Xiong, Lu-Lu Xue, Sheng Wang, et al. In Situ Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector[J]. Chinese Journal of Polymer Science, 2022, 40(11): 1317-1322. DOI: 10.1007/s10118-022-2755-8. DOI：

摘要

A light wavelength-selective approach to in situ regulate the network topology from c-IPN to d-IPN by

in situ

grafting and disconnecting polymer chains from the inimer sites. The change in topology from c-IPN to d-IPN made a negligible contribution to materials’ mechanical properties.

Abstract

A photo-controlled approach is developed to regulate the interpenetrating polymer network (IPN) topology by varying the connecting structure between the first and second networks. The approach is based on multifunctional inimer (Vinyl-

NB-Br) possessing three moieties

i.e.

an acrylate-based double bond for incorporation within a polymer network

a Br group for grafting polymerization to get connect-IPN (c-IPN)

and an

-nitrobenzyl spacer for photocleaving to convert the c-IPN to disconnected-IPN (d-IPN) with UV light irradiation. Such design allows for finely controlling the connection degree between two networks. A systematic study on the mechanical property of a series of samples with different connection degrees thus can be conducted. The results reveal that decreasing the connecting degree between two networks of IPN made a negligible contribution to materials’ mechanical properties.

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In Situ Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector

In Situ Variation of Interpenetrating Polymer Network Topology using a Photolabile Connector

DOI：10.1007/s10118-022-2755-8

摘要

Abstract

关键词

Keywords

references