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Comparison effects of lanthanum stearate and antioxidants in epoxidized natural rubber

文献类型： 外文期刊

作者： Yang Changjin 1 ; Luo Yongyue 1 ; Peng Zheng 1 ; Xu Kui 1 ; Zhong Jieping 3 ;

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

2.Chinese Acad Trop Agr Sci, Rubber Res Inst, Danzhou 571737, Peoples R China

3.Guangdong Ocean Univ, Sch Sci, Zhanjiang 524088, Peoples R China

关键词： lanthanum stearate;antioxidants;ENR25;thermal degradation;hot air aging resistance;rare earths

期刊名称：JOURNAL OF RARE EARTHS （ 影响因子：3.712； 五年影响因子：3.326 ）

ISSN： 1002-0721

年卷期： 2015 年 33 卷 11 期

页码：

收录情况： SCI

摘要： This work studied possibilities of using lanthanum stearate (LaSt) as an antioxidant in epoxidized natural rubber containing 25 mol.% expoxidation (ENR25) compounds. For comparison purposes, two commercial antioxidant 4010NA and MB were also used. The influence of LaSt, antioxidant 4010NA and MB on cure characteristics, mechanical properties, crosslink density, hot air aging and thermo-oxidative degradation were studied. The results indicated that the incorporation of LaSt and antioxidants could accelerate the vulcanization of ENR. The ENR vulcanizates with antioxidant MB had better mechanical properties than 4010NA and LaSt. Compared with antioxidant 4010NA and MB, the ENR25 vulcanizates with the addition of LaSt exhibited the best hot air aging resistance and thermo-oxidative stability.

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