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《Journal of East China University of Science and Technology》 2001-01
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Synthesis of Chlorosulfonated Polyethylene by Gas-solid Method I. Gas-solid Reaction Mechanism

ZHAO Ruo fei *, SUN Yan, HUANG Yong jun, CHENG Shu jun (Institute of Materials Science ECUST, Shanghai 200237, China)  
Chlorosulfonated polyethylene (CSM) was synthesized by gas solid method initiated by ultraviolet light using chlorinated polyethylene (CPE) and a gaseous mixture of chlorine and dioxide sulfur. It was discovered by element analysis that chlorination or dechlorination did not occur in the process of chlorosulfonation. The gas solid reaction mechanism was studied in the tank reactor. It was found that the reaction rate was controlled by the interdiffusion and intrinsic chemical reaction. In addition, when temperature was raised within the range of from 30°C to 50°C, the rate of chlorosulfonation during the later reaction period was markedly increased, resulting from the melting of the cocrystalline of CPE. Finally, the effect of chain structure and solid state of chlorinated polyethylene on chlorosulfonation was discussed.
【CateGory Index】: O632
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1 ZHAO Ruofei*, CHENG Shujun, HUANG Yongjun (Institute of Materials Science ECUST, Shanghai 200237, China)$$$$;Investigation of the Chain Structure and Crystalline of Chlorinated Polyethylene[J];JOURNAL OF EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY;2000-03
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