| BR/EVA TPV的制备及性能研究 |
| Preparation and Properties of BR/EVA TPV |
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| DOI： |
| 中文关键词: BR 乙烯-乙酸乙烯酯共聚物 热塑性硫化胶 动态硫化 |
| 英文关键词: BR ethylene-vinyl acetate copolymer thermoplastic vulcanizate dynamic vulcanization |
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| 中文摘要: |
| 采用动态硫化法制备BR/乙烯-乙酸乙烯酯共聚物(EVA)热塑性硫化胶(TPV)，并对其性能进行研究。结果表明：当BR/EVA共混比大于50/50时，TPV呈现出典型弹性体的应力-应变行为；当BR/EVA共混比为50/50～65/35时，TPV的硬度较低，综合物理性能良好；当BR/EVA共混比为60/40时，微米级的BR粒状物均匀分散在EVA基体中，两相界面结合良好。 |
| 英文摘要: |
| Thermoplastic vulcanizate(TPV) using BR and ethylene vinyl acetate copolymer(EVA) was prepared by dynamic vulcanization, and its properties were investigated.The results showed that when the blending ratio of BR/EVA was higher than 50/50,the TPV showed typical stress-strain behavior of an elastomer.When the blending ratio of BR/EVA was from 50/50 to 65/35,the Shore A hardness of TPV was low,and the comprehensive physical properties were good.When the blending ratio of BR/EVA was at 60/40，the particle-like BR in micrometer-size was uniformly dispersed in EVA matrix,and the interfacial adhesion between BR and EVA was good. |
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