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hybrar yu cheng he ji dui pp xing neng de ying xiang
Author(s): ZHAO Jingzuo, LIU Juan, CHEN Hao, ZENG Xiangsheng, GUAN Rong, DONG Chao
Pages: 7-
11
Year: 2008
Issue:
4
Journal: RUBBER & PLASTICS RESOURCES UTILIZATION
Keyword: 聚丙烯; HYBRAR; α成核剂; 力学性能; 热稳定性;
Abstract: 将高性能热塑性弹性体苯乙烯、乙烯支化异戊二烯三嵌段共聚物(HYBRAR)及α成核剂与PP进行共混,并参照各测试标准制备试样.对共混物的力学性能及热稳定性进行了表征.研究结果表明,HYBRAR的加入使共混物的冲击强度和断裂伸长率显著提高,而拉伸强度降低,α成核剂的加入使得PP及PP/HYBRAR共混物的冲击强度和拉伸强度升高;α成核剂提高了共混物的热稳定性,而HYBRAR降低其热稳定性.
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