| EPDM/聚烯烃共混型热塑性弹性体的研究 |
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| 引用本文： | 龚蓬,张祥福,张隐西.EPDM/聚烯烃共混型热塑性弹性体的研究[J].橡胶工业,1996,43(8):451-457. |
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| 作者姓名： | 龚蓬 张祥福 张隐西 |
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| 作者单位： | 上海交通大学高分子材料研究所 |
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| 摘 要： | 制备ＥＰＤＭ／聚烯烃简单共混型热塑性弹性体。研究了聚合物种类、橡塑比、二元和三元共混对共混物力学性能的影响。结果表明，部分结晶性ＥＰＤＭ共混物的力学性能比无定形ＥＰＤＭ共混物好，部分结晶性ＥＰＤＭ与ＬＤＰＥ（低密度聚乙烯）共混物的拉伸强度大于两者的加和值，而其它二元共混物的拉伸强度均低于两共混单元的加和值；用ＬＤＰＥ部分替代ＰＰ，或用氯磺化聚乙烯（ＣＳＭ）部分替代结晶性ＥＰＤＭ进行三元共混，能改善部分结晶性ＥＰＤＭ／ＰＰ共混物的某些性能。
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| 关 键 词： | 热塑性弹性体，EPDM，聚烯烃，共混物 |
Study on Thermoplastic EPDM/Polyolefin Elastomers |
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| Gong Peng,Zhang Xiangfu and Zhang Yinxi.Study on Thermoplastic EPDM/Polyolefin Elastomers[J].China Rubber Industry,1996,43(8):451-457. |
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| Authors: | Gong Peng Zhang Xiangfu and Zhang Yinxi |
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| Affiliation: | Shanghai Jiaotong University 200240 |
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| Abstract: | Thermoplastic EPDM/polyolefin elastomers (TPO) were prepared by using simple mechanical blending technique. The influences of polymer type,rubber/plastics ratio,binary blending or ternary blending on the physical properties of blends were investigated.The results showed that the physical properties of semi-crystalline EPDM TPO were superior to those of amorphous EPDM TPO;the tensile strength of semi-crystalline EPDM/I-DPE blend was higher than their additive value,while the tensile strengthes of other binary blends were lower than their respective additive values; semi-crystalline EPDM/PP blend could be improved in certain properties when PP was partly replaced with LDPE. or semi-crystalline EPDM was partly replaced with CSM to form a ternary blend. |
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| Keywords: | thermoplastic elastomer EPDM polyolefin blend |
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