| 多因素共同作用下EPDM对PP稳定性的影响 |
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| 引用本文： | 高丽彦,杨其,刘小林,廖霞,樊鹏鹏,吴小兵.多因素共同作用下EPDM对PP稳定性的影响[J].塑料科技,2010,38(3). |
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| 作者姓名： | 高丽彦 杨其 刘小林 廖霞 樊鹏鹏 吴小兵 |
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| 作者单位： | 四川大学高分子科学与工程学院,四川大学高分子材料工程国家重点实验室,四川,成都,610065 |
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| 基金项目： | 国家自然科学基金(50533080) |
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| 摘 要： | 通过对PP/EPDM共混物进行多因素条件下的老化,研究了EPDM对PP稳定性的影响。由样品老化前后的力学性能、表面形貌、玻璃化转变温度以及表面氧含量的变化分析表明:随着EPDM含量的增加,相应共混物的拉伸强度和断裂伸长率的变化趋势减缓;共混物的降解减弱,表面龟裂纹和脱落现象减轻。由此可见,EPDM能提高PP的抗老化能力。
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| 关 键 词： | 聚丙烯 乙烯-丙烯-二烯三元共聚物 多因素 稳定性 老化 |
Effect of EPDM on the Stability of Polypropylene under Multi-Factor Conditions |
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| Gao Liyan,Yang Qi,Liu Xiaolin,Liao Xia,Fan Pengpeng,Wu Xiaobing-School of Polymer Science , Engineering,The State Key Laboratory for Polymer Materials Engineering,Sichuan University,Chengdu ,China.Effect of EPDM on the Stability of Polypropylene under Multi-Factor Conditions[J].Plastics Science and Technology,2010,38(3). |
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| Authors: | Gao Liyan Yang Qi Liu Xiaolin Liao Xia Fan Pengpeng Wu Xiaobing-School of Polymer Science Engineering The State Key Laboratory for Polymer Materials Engineering Sichuan University Chengdu China |
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| Affiliation: | Gao Liyan,Yang Qi,Liu Xiaolin,Liao Xia,Fan Pengpeng,Wu Xiaobing-School of Polymer Science , Engineering,The State Key Laboratory for Polymer Materials Engineering,Sichuan University,Chengdu 610065,China |
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| Abstract: | The effect of EPDM on the stability of PP was studied through the aging of PP/EPDM blends under the multi-factor conditions.The mechanical properties,surface morphology,glass transition temperature and the changes analysis of surface oxygen content of the samples before and after aging were investigated.The results showed that with the increase of the content of EPDM,the tensile strength and elongation breaking of PP/EPDM blends were slowly changed,the degradation of the blends was decreased and the turtle ... |
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| Keywords: | Polypropylene Ethylene-Propylene-Diene terpolymer Multi-Factor Stability Aging |
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