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

文献情報

出版日 2016-12-22

DOI 10.1039/C6PY01743F

インパクトファクター 5.582

著者

Wei Song, Ruiyu Jiang, Lei Zhu

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要旨

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.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 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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