Improvement of notch toughness of low nano-SiO2 filled polypropylene composites

被引：35

作者：

Lehmann, B

Friedrich, K

Wu, CL

Zhang, MQ ^{[1
]}

Rong, MZ

机构：

[1] Zhongshan Univ, Inst Mat Sci, Guangzhou 510275, Peoples R China

[2] Univ Kaiserslautern, Inst Composite Mat, D-67663 Kaiserslautern, Germany

[3] Zhongshan Univ, Minist Educ, Key Lab Polymer Composite & Funct Mat, Guangzhou 510275, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE LETTERS | 2003年 / 22卷 / 14期

关键词：

D O I：

10.1023/A:1024749627887

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A study on the notch toughness improvement of low nano-SiO2 filled polypropylene (PP) composites is presented. A compliant interphase with certain extensionality surrounding the nanoparticles seems to be a prerequisite for inducing synergistic toughening effects of the rubbery phase. It is concluded that although pregrafted nano-SiO2 particles are not good enough to reduce the notch sensitivity of PP, a combination of the grafted nanoparticles and elastomeric modifier is able to significantly increase the toughness of PP including the notch impact resistance while basically maintaining the tensile strength of PP.

引用

页码：1027 / 1030

页数：4

共 25 条

[1] Poly(ethylene terephthalate)(PET) nanocomposites filled with fumed silicas by melt compounding [J].