Macrocycle-based topological azo-polymers: facile synthesis and unusual photoresponsive properties‡

文献信息

发布日期 2016-12-22

DOI 10.1039/C6PY01743F

影响因子 5.582

作者

Wei Song, Ruiyu Jiang, Lei Zhu

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摘要

Three kinds of well-defined topological azo-polymers with controlled molecular weights are prepared using an acrylate-functionalized cyclic polymeric azo-precursor by a selective head-to-tail acyclic diene metathesis (ADMET) polymerization. First, a multifunctional linear precursor bearing the terminal alkyne, hydroxyl, and azido groups were elaborately synthesized. A well-defined acrylate-containing monocyclic azo-polymer was then prepared via “click” ring closure and esterification, which can be considered a selective macromolecular chain stopper in the subsequent ADMET polymerizations of three different types of azo-functionalized monomers. Finally, azo-polymers with cyclic–linear, cyclic–linear–cyclic, and cyclic–hyperbranched topologies were successfully constructed, respectively. Interestingly, these prepared azo-polymers show distinct and unusual photoresponsive behaviors.

期刊推荐

Ceramics International

Chemistry Letters

Geotextiles and Geomembranes

Organometallics

Applied Organometallic Chemistry

Chemical Society Reviews

Bulletin of the Korean Chemical Society

Journal of the Royal Society of New Zealand

Cellular Polymers

Experimental Techniques

来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Macrocycle-based topological azo-polymers: facile synthesis and unusual photoresponsive properties‡

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