Fluorescence Emission of Amphiphilic Copolymers Bearing Benzimidazole Groups: Stimuli-responsive Behaviors in Aqueous Solution

被引：3
|
作者：
Han, Bing [1 ]
Zhou, Nianchen [1 ]
Zhang, Wei [1 ]
Cheng, Zhenping [1 ]
Zhu, Jian [1 ]
Zhu, Xiulin [1 ]
机构：
[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Jiangsu Key Lab Adv Funct Polymer Design & Applic, Suzhou 215123, Peoples R China
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2013年 / 51卷 / 20期
关键词：
fluorescence; gel permeation chromatography (GPC); reversible addition fragmentation chain transfer (RAFT); stimuli-responsive amphiphilic copolymer; AGGREGATION-INDUCED EMISSION; CRITICAL SOLUTION TEMPERATURE; FRAGMENTATION CHAIN TRANSFER; FREE-RADICAL POLYMERIZATION; ACID) BLOCK-COPOLYMERS; RAFT POLYMERIZATION; DIBLOCK COPOLYMERS; 2-CYANOPROP-2-YL; 1-DITHIONAPHTHALATE; DICYANOMETHYLENE-4H-PYRAN MOIETY; MULTIPLE MORPHOLOGIES;
D O I：
10.1002/pola.26864
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A stimuli-responsive amphiphilic copolymer poly(NIPAM(m)-b-VBNBIn), including N-isopropylacrylamide (NIPAM) as a thermoresponsive unit and 1-(4-vinyl benzyl)-2-naphthyl-benzimidazole (VBNBI) as a sensitive fluorophore unit, was designed and synthesized by reversible addition-fragmentation chain transfer polymerization. The aqueous solutions of the copolymers exhibited reversible fluorescent response to pH and temperature. In addition, the copolymers showed aggregation-induced fluorescence enhancement in THF/water mixture. (c) 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2013, 51, 4459-4466
引用
收藏
页码：4459 / 4466
页数：8
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