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炭黑增强EVA/CMTPV的性能研究 被引量:1

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摘要 以炭黑作补强剂,采用动态硫化法制备了乙烯-醋酸乙烯共聚物(EVA)/氯化聚乙烯(CM)热塑性硫化胶(TPV),并研究了力学性能、Mullins效应和微观相结构。结果表明,当EVA/CM/CB质量比在40/60/6~40/60/24范围内时,TPV动态硫化产物表现出良好的综合性能。单轴循环拉伸实验表明,TPV存在明显的Mullins效应,即第1次拉伸后就表现出明显的应力软化现象;在拉伸比固定不变时,TPV最大应力随拉伸次数的增加而下降,残留应变逐渐增大。SEM观察结果表明,动态硫化EVA/CM/CB TPV的拉伸断面较为平坦,表现出良好的弹性回复能力,刻蚀样品表面均匀分散着CM硫化胶粒子,其平均尺寸为2μm左右。
出处 《特种橡胶制品》 2015年第1期32-36,共5页 Special Purpose Rubber Products
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参考文献11

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