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降解PP/EPDM共混物的力学性能 赵丽丽 程凤梅 刘志辉 李海东 摘 要:用过氧化二异丙苯(DCP)将聚丙烯(PP)降解,制备降解PP与三元乙丙橡胶(EPDM)共混物,测试降解PP/EPDM共混物的冲击和拉伸性能,研究共混物的脆一韧转变,结果发现温度和EPDM含量对PP/EPDM共混物的韧性影响规律是相同的,增加温度和增加EPDM含量都能使PP/EPDM共混物的韧性增加. Properties of toughened degraded polypropylene with EPDM ZHAO Li-li CHENG Feng-mei LIU Zhi-hui LI Hai-dong |
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收稿日期:2010年10月8日 出版日期:2010年12月28日 |