Synthesis and properties of polyacetylenes having azobenzene pendant groups

被引：51

作者：

Teraguchi, M ^{[1
]}

Masuda, T ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Polymer Chem, Kyoto 6068501, Japan

来源：

MACROMOLECULES | 2000年 / 33卷 / 02期

关键词：

D O I：

10.1021/ma991326z

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polyacetylenes with azobenzene moieties [poly(3-ethynylazobenzene) and poly(4-ethynylazobenzene)] were obtained by polymerization using [(nbd)RhCl]2-Et3N. The results are the first example of synthesis of polyacetylenes with azobenzene moieties directly connected to the main chain. Though poly(4-ethynylazobenzene) was insoluble in any solvents, poly(3-ethynylazobenzene) was soluble in common solvents, had high molecular weight up to 4.9×105, and provided a free-standing film by solution casting. Trans-to-cis photoisomerization of azobenzene moieties in poly(3-ethynylazobenzene) was observed upon ultraviolet irradiation.

引用

页码：240 / 242

页数：3

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