Comparison effects of lanthanum stearate and antioxidants in epoxidized natural rubber

被引：1

作者：

杨昌金 ^{[1
]}

罗勇悦 ^{[1
]}

彭政 ^{[1
]}

许逵 ^{[1
,2
]}

钟杰平 ^{[3
]}

机构：

[1] Chinese Agricultural Ministry Key Laboratory of Tropical Crop Product Processing, Agricultural Product Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences

[2] Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences

[3] School of Science, Guangdong Ocean University

来源：

Journal of Rare Earths | 2015年 / 33卷 / 11期

关键词：

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

D O I：

暂无

中图分类号：

TQ332 [天然橡胶];

学科分类号：

082903 ;

摘要：

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

引用

页码：1236 / 1240

页数：5

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