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Synthesis and dyeing performance of a novel polycarboxylic acid azo dye
Authors:Hua Xu  Bing Tao Tang  Shu Fen Zhang State Key Laboratory of Fine Chemicals  Dalian University of Technology  Dalian  China
Institution:Stale Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China
Abstract:A novel reactive polycarboxylic acid dye was synthesized by the reaction of polymaleic anhydride(PMA) with 3-methyl-1-(4- sulfonylphenyl)-4-(4-aminophenylazo)-2-pyrazoline-5-one.The structure of the novel dye was characterized by FTIR,UV-vis and ~(13)C NMR spectra.The dyeing properties of dye on cotton were tested,and the novel dye possessed high fixation and good fastness.
Keywords:Reactive polycarboxylic acid dye  Polymaleic anhydride  Dyeing  
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