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Synthesis of Copolymer Poly(DMAEMA-co-TPE-a) and Preparation of pH-Sensitive Fluorescent Porous Fiber

JIANG Shan;HUANG Tian-ya;WANG Wei;WANG Ke-min;YU Qiang;School of Materials Science and Engineering,Changzhou University;  
Poly(DMAEMA-co-TPE-a)(PDT) was synthesized by radical copolymerization of N-(2-(dimethylamino)ethyl)-methacrylamide(DMAEMA) and trace fluorescent monomer 4-acryloyl tetraphenylethylene(TPE-a).The pH-sensitive fluorescent porous fiber was then prepared via introducing cross-linking agent methylene-bis-acrylamide(Bis)and porogenic agent N,N-dimethylformamide(DMF)into the system.The products were characterized by FT-IR,~1 H-NMR,TG and SEM.The fluorescent property and pH-response performance of products were also studied.Results show that PDT owns aggregation-induced emission(AIE)effect and good pH-response performance.When the molar ratio of monomer,cross-linking agent and porogenic agent is 60∶1∶40,the obtained fiber showed a satisfing heatresistant quality and pH-response performance.
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