Preparation and Characterization of PVC-based Photoresponsive Polymers Containing Azo-chromophores

被引：3
|
作者：
Mu, Bin [1 ]
Lu, Chunyin [1 ]
Dong, Yun [1 ]
Liu, Peng [1 ]
机构：
[1] Lanzhou Univ, Inst Polymer Sci & Engn, Coll Chem & Chem Engn, Lanzhou 730000, Gansu, Peoples R China
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2010年 / 47卷 / 08期
关键词：
Photoresponsive polymer; azo-chromophore; polyvinyl chloride; azo-coupling reaction; SURFACE-RELIEF GRATINGS; FREE-RADICAL POLYMERIZATION; SIDE-CHAIN POLYMERS; AZOBENZENE CHROMOPHORES; MAIN-CHAIN; BLOCK-COPOLYMERS; LIQUID-CRYSTALS; FILMS; CHIRALITY; MOIETIES;
D O I：
10.1080/10601325.2010.492262
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
New strategy was developed for the preparation of the photoresponsive polymers containing azo-chromophores as side-groups from the active chlorine atoms of polyvinyl chloride (PVC). The anilinated polyvinyl chloride precursors, anilinated polyvinyl chloride (PVC-An) and o-chloroanilinated polyvinyl chloride (PVC-oClAn), synthesized chemically by reacting PVC with sodium aniline (o-chloroaniline) salt. Then the two novel PVC-based polymers functionalized with azo-chromophores (PVC-AZ-An and PVC-o-AZ-NP) were synthesized via the azo-coupling reactions of the anilinated polyvinyl chloride precursors (PVC-An and PVC-oClAn) with the diazonium salts of aniline and alpha naphthylamine, respectively. The structures of polymers were confirmed by FTIR and 1H-NMR. The UV-Vis spectra of the obtained polymer in THF solution showed that the - * absorption band of PVC-o-AZ-NP shifted to longer wavelength (red-shifted) due to the influence of auxochrome (-Cl) compared to the - * absorption band of PVC-AZ-An.
引用
收藏
页码：833 / 838
页数：6
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