Unique synergistic effects of graphene oxide and carbon nanotube hybrids on the tribological properties of polyimide nanocomposites

被引：170

作者：

Min, Chunying ^{[1
]}

Liu, Dengdeng ^{[1
]}

Shen, Chen ^{[1
]}

Zhang, Qiaqia ^{[1
]}

Song, Haojie ^{[1
]}

Li, Songjun ^{[1
]}

Shen, Xiaojuan ^{[1
]}

Zhu, Maiyong ^{[1
]}

Zhang, Kan ^{[1
]}

机构：

[1] Jiangsu Univ, Sch Mat Sci & Engn, Inst Polymer Mat, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2018年 / 117卷

基金：

中国国家自然科学基金;

关键词：

Graphene oxide/carbon nanotubes hybrids; Polyimide; Synergistic effects; Tribological properties; COMPOSITE FILMS; BEHAVIORS; FRICTION; FIBER;

D O I：

10.1016/j.triboint.2017.09.006

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The graphene oxide (GO) nanosheets/carboxyl-functionalized multi-walled carbon nanotubes (CNTs) hybrids (GO/CNTs) were synthesized via vacuum filtration solution hybrid dispersion and the corresponding GO/CNTs/polyimide (GO/CNTs/PI) nanocomposite films were facilely prepared by in situ polymerization. Both the thermal stability, mechanical and tribological properties of GO/CNTs/PI nanocomposites were greatly improved compared with those of pure PI due to the homogeneous dispersion of GO/CNTs and the strong interfacial covalent bonds between GO/CNTs and the PI matrix. Furthermore, GO/CNTs/PI nanocomposites exhibited the much lower friction coefficient compared to that of PI composites with the same loading of GO or CNTs only, suggesting the synergistic effects of GO/CNTs hybrids on the tribological properties of polyimide nanocomposites, especially the weight ratio of GO and CNTs was 3:1.

引用

页码：217 / 224

页数：8

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