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Effect of non-rubber substances on vulcanization kinetics of natural rubber

文献类型: 外文期刊

作者: Wang Ping-Yue 1 ; Wang Yong-Zhou 1 ; Zhang Bei-Long 1 ; Huang Hong-Hai 1 ;

作者机构: 1.Chinese Acad Trop Agr Sci, Minist Agr, Key Lab Trop Crops Proc, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China

关键词: natural rubber;kinetics;non-rubber substances;rate constant;activation energy

期刊名称:JOURNAL OF APPLIED POLYMER SCIENCE ( 影响因子:3.125; 五年影响因子:2.754 )

ISSN: 0021-8995

年卷期: 2012 年 126 卷 4 期

页码:

收录情况: SCI

摘要: Effect of non-rubber components on vulcanization kinetics of natural rubber was studied with the use of a Rheometer MDR-2000. The results show that the rate constants of induction period and curing period of natural rubber (NR) are greater than that of natural rubber extracted with acetone (NRE), and the activation energies of induction period and curing period of NR are lower than that of NRE. The activation energy of induction period of NR is reduced by16.9% and the activation energy of curing period of NR is reduced by 3.2% compared to the activation energies of NRE. The time tdis of NR is shorter than that of NRE at the same temperature. (c) 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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