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《Dyeing & Finishing》 2006-15
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Adsorption decolorization of CMC-g-CPAM to reactive dyestuffs

MA Feng-guo~(1,2),TAN Hui-min ~21.Qingdao University of Science & Technology,Qingdao 266042,China;2.School of Chemical Engineering and Materials Science,Beijing Institute of Technology,Beijing 100081,China  
The cationic resin,carboxylmethylcellulose grafting cationic polyacrylamide(CMC-g-CPAM) with quaternary ammonium group is used to adsorb reactive dyes under static conditions.The morphology of resin before and after adsorption is observed by SEM(scanning electron microscopy),and the action mechanism is analyzed.Results show that the resin features highly efficiency on reactive dyes by means of adsorption,bridging and flocculation,the decolorizing rate is up to 91% ~ 98%.
【CateGory Index】: X791
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