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Structure and Thermal Stability of Natural Rubber Reinforced with in situ Generated Zinc Sorbate

文献类型： 外文期刊

作者： Zeng, Zongqiang 1 ; Peng, Zheng 1 ; Kong, Lingxue 2 ; Liu, Hongchao 1 ;

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

2.Deakin Univ, Ctr Mat & Fibre Innovat, Geelong, Vic 3217, Australia

关键词： zinc sorbate;reinforcement;natural rubber;structure;thermal stability

期刊名称：ADVANCED MATERIALS, PTS 1-4

ISSN： 1022-6680

年卷期： 2011 年 239-242 卷

页码：

收录情况： SCI

摘要： In situ prepared zinc disorbate (ZDS) in natural rubber (NR) by the reaction of zinc oxide and sorbic acid was used to reinforce the dicumyl peroxide-cured NR vulcanizate. The changes in mechanical properties of NR vulcanizates after ageing and were determined and the structures and thermal stability of vulcanizates were also analyzed using scanning electron microscope and thermal gravimetric analyzer. The change ratios in tensile strength and elongation at break of NR vulcanizate with theoretic formation of ZDS of 21phr can be increased to -33 from -44 and -27 from -38 after ageing and the initial weight loss temperature of NR vulcanizate can be increased for about 7 degrees C as compared to un-reinforced NR vulcanizate, indicating that the antioxidative behavior and thermal stability of NR can be improved significantly with theoretic formation of ZDS of 21phr.

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