Issue 29, 2017, Issue in Progress
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RSC Advances

The positive effect of water on photo-induced step transfer-addition & radical-termination (START) polymerization†

Tianchi Xu,a   Lifen Zhang,*a   Zhenping Cheng ORCID logo *a  and  Xiulin Zhua  

* Corresponding authors

a Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
E-mail: chengzhenping@suda.edu.cn, zhanglifen@suda.edu.cn
Fax: +86-512-65882787

Abstract

Step-growth radical copolymerization between α,ω-diiodoperfluoroalkanes (A) and α,ω-unconjugated dienes (B) proceeds efficiently through a photo-induced Step Transfer-Addition & Radical-Termination (START) strategy in aqueous/organic biphasic system. The addition of water in our polymerization strategy enhanced the overall polymerization efficiency and inhibited the function loss (C–I) significantly, which has been illustrated through UV-vis tests. Therefore, most of the functional groups (C–I) in the polymer chain end have been preserved in the final polymer product (AB)n based on 19F NMR analysis. After polymerization, we could erase the iodine atoms in the main chain of (AB)n, which generates semifluorinated polyolefins with enhanced thermal stability.

Graphical abstract: The positive effect of water on photo-induced step transfer-addition & radical-termination (START) polymerization

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Article information

DOI
https://doi.org/10.1039/C7RA01925D
Article type
Paper
Submitted
15 Feb 2017
Accepted
17 Mar 2017
First published
24 Mar 2017
This article is Open Access
Creative Commons BY license

RSC Adv., 2017,7, 17988-17996

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The positive effect of water on photo-induced step transfer-addition & radical-termination (START) polymerization

T. Xu, L. Zhang, Z. Cheng and X. Zhu, RSC Adv., 2017, 7, 17988 DOI: 10.1039/C7RA01925D

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