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Effect of CMCS on Vulcanization Kinetics of Natural Rubber

文献类型： 外文期刊

作者： Wang Yongzhou 1 ; Gui Hongxing 2 ; Chen Tao 2 ; Huang Honghai 2 ; Zhang Fuquan 2 ; Zeng Rizhong 1 ;

作者机构： 1.CATAS, Rubber Res Inst, Danzhou 571737, Hainan, Peoples R China

2.Minist Agr, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Guangdong, Peoples R China

3.CATAS, Agr Product Proc Res Inst, Zhanjiang 524001, Guangdong, Peoples R China

关键词： natural rubber;kinetics;carboxymethyl chitosan;rate constant;activation energy

期刊名称：ADVANCED ENGINEERING MATERIALS II, PTS 1-3

ISSN： 1022-6680

年卷期： 2012 年 535-537 卷

页码：

收录情况： SCI

摘要： In this work, effect of carboxymethyl chitosan (CMCS) on vulcanization kinetics of natural rubber was studied using the Rheometer MDR2000. The results showed that both the rate constants of induction period and curing period of natural rubber (K-N) was greater than that of natural rubber added CMCS and the dosage is 0.05% of fresh latex (CMCS-1), but less than that of natural rubber added CMCS and the dosage is 0.1% of fresh latex (CMCS-2), and the activation energy 100.8kJ/mol of induction period of K-N is greater than the activation energy 96.7kJ/mol, 93.7kJ/mol of induction period of CMCS-1, CMCS-2, respectively and that the activation energy 104.4 kJ/mol of curing period of K-N is less than the activation energy111.9kJ/mol of curing period of CMCS-1, and bigger than the activation energy 103.4 of CMCS-2 at the same temperature.

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