中国塑料

中国塑料 ›› 2008, Vol. 22 ›› Issue (03): 46-48 .DOI: 10.19491/j.issn.1001-9278.2008.03.010

• 材料与性能 • 上一篇    下一篇

共混工艺对PP/POE/SiO2三元复合体系韧性的影响

丁兴艳，伍玉娇，肖贤斌，王珏，蒙日亮   

  1. 1，贵州大学材料科学与冶金工程学院，贵州贵阳550003; 2，贵州省材料技术创新基地，贵州贵阳550014
  • 收稿日期:2007-09-27 修回日期:1900-01-01 出版日期:2008-03-26 发布日期:2008-03-26

lnfluence of Blending Technology on Toughness of PP/POE/SiO2 Composites

DING Xing-yan，WU Yu-jiao，XIAO Xian-bin,WANG Jue，MENG Ri-liang   

  1. 1. Material Science&Metallurgical Engineering College, Guizhou University, Guiyang 550003，China; 2. Material Engineering&Technology Innovation Center, Guiyang 550014，China
  • Received:2007-09-27 Revised:1900-01-01 Online:2008-03-26 Published:2008-03-26
  • Contact: WU Yu-jiao

摘要： 研究了4种不同共混工艺对PP/POE/SiO2三元复合体系韧性的影响。通过不同的加料顺序和挤出次数对PP/POE/SiO2进行熔融共混后挤出注塑，并对其进行力学性能测试和SEM观察。研究结果表明:二次挤出工艺比一次挤出工艺得到的共混物的韧性好。形成“核壳’‘结构界面的材料的韧性最高。不同共混工艺下，POE/SiO2先挤出，再与PP挤出，注塑得到的共混物的冲击强度最高;其次是PP/SiO2挤出，再与POE挤出，注塑得到的共混物;再次PP/POE挤出，再与SiO2挤出，注塑得到的共混物;最后是PP/POE/SiO2一起挤出，注塑得到的共混物。

关键词: 共混工艺, 核壳结构, 界面, 冲击强度

Abstract: Influence of blending procedure on the toughness of PP/POE/SiO2 composites was studied.The samples were obtained through injection molding after extrusion blending of different procedures:(i) PEE and Siq were blended first and the mixture blended with PP; (ii) PP and SiO2 were blended first and the mixture blended with PEE;(iii) PEE and PP were blended first and the mixture was blended with Siq;(iv) the three components were blended at the same time. the toughness of the composites was in the order(i)>(ii>(iii) >(iv).If a composite was extrusion blended one more time, better toughness was obtained.

Key words: blending technology, nucleus-shell structure, interface, impact strength

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