| 动态硫化EPDM/PP热塑性弹性体应力松弛的研究 |
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| 引用本文： | 江学良,蒋涛,程时远.动态硫化EPDM/PP热塑性弹性体应力松弛的研究[J].高分子材料科学与工程,2001,17(4):116-119. |
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| 作者姓名： | 江学良 蒋涛 程时远 |
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| 作者单位： | 湖北大学化学与材料科学学院, |
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| 基金项目： | 国家“8 6 3”计划项目资助 (86 3- 715 - 0 12 - 0 16 0 ) |
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| 摘 要： | 从相态结构角度讨论动态硫化EPDM／PP共混物的应力松弛行为，并与纯PP以及静态硫化EPDM的应力松弛相比较，研究了制备工艺对动态硫化EPDM／PP共混物应力松弛的影响，结果表明，动态硫化EPDM／PP应力松弛主要由PP连续相决定的，EPDM分散相对共混物应力松弛有一定的影响。随橡塑化和软化剂用量的增加，EPDM／PP应力松弛明显降低，增大硫化剂用量，EPDM／PP应力松弛相对较小。
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| 关 键 词： | 动态硫化 三元乙丙橡胶 聚丙烯 应力松弛 热塑性弹性体 |
| 文章编号： | 1000-7555(2001)04-0116-04 |
| 修稿时间： | 1999年7月13日 |
STUDY ON STRESS RELAXATION OF DYNAMICALLY VULCANIZED EPDM/PP THERMOPLASTICS ELASTOMER |
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| JIANG Xue liang,JIANG Tao,CHENG Shi yuan.STUDY ON STRESS RELAXATION OF DYNAMICALLY VULCANIZED EPDM/PP THERMOPLASTICS ELASTOMER[J].Polymer Materials Science & Engineering,2001,17(4):116-119. |
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| Authors: | JIANG Xue liang JIANG Tao CHENG Shi yuan |
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| Abstract: | Behavior of stress relaxation of dynamically vulcanized EPDM/PP blend was discussed from its phase structure and compared to stress relaxation of vulcanized EPDM and PP. Effects of preparation technologies on stress relaxation of the blend were investigated. The results show that stress relaxation of dynamically vulcanized EPDM/PP is decided of continous phase of PP. With increasing the ratio of rubber to plastics and amount of softening agent, relaxation rate of EPDM/PP decreases oberviously. Increasing the amount of curing agent, relaxation rate of EPDM/PP becomes lower relatively. |
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| Keywords: | EPDM PP dynamic vulcanization stress relaxation |
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