Study on the Synthesis and Properties of Water-Soluble Chitosan Grafted Copolymer


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Grafted chitosan(CTS) copolymer was synthesized by the aqueous solution polymerization method, using the ammonium persulfate as initiator graft, Acrylamide(AM)and methacrylamide trimethyl Ammonium Chloride (DMC) as the grafted monomer. The effects of reaction conditions on grafted copolymerization were studied. When the deacetylation degree of chitosan as raw material is 86%, the optimum reaction to produce CTS -AM-DMC ternary graft copolymers by first AM and then DMC sequence were obtained at [initiator] 0.08%, 50°Cand 3.5h.The structure of CTS-AM-DMC was characterized by FTIR and XRD. When the dosage of synthetic product is 0.3mg/L, the effect of flocculation on the papermaking wastewater is obvious better, which can make the light transmission up to 99%, and CODCr to 9mg/L.



Advanced Materials Research (Volumes 396-398)

Edited by:

Yanxuan Wen and Fuhou Lei




S. L. Lai et al., "Study on the Synthesis and Properties of Water-Soluble Chitosan Grafted Copolymer", Advanced Materials Research, Vols. 396-398, pp. 1480-1485, 2012

Online since:

November 2011




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