Coating carbon fiber using polyimide-silica nanocomposite by electrophoretic deposition

被引：13

作者：

He, Shuqing ^{[1
,2
]}

Zhang, Shouchun ^{[1
]}

Lu, Chunxiang ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Coal Chem, Natl Engn Lab Carbon Fiber Technol, Taiyuan 030001, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2011年 / 387卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

Electrophoretic deposition; Hybrid colloidal emulsion; Nanocomposite coating; Carbon fiber; HYBRID COMPOSITES;

D O I：

10.1016/j.colsurfa.2011.07.034

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Polyamic acid-silica hybrid colloidal emulsion with an average particle size of 200 nm was prepared by dispersing nano-silica into polyamic acid colloidal particles. The polyimide-silica hybrid nanocomposite coating was fabricated onto carbon fiber through electrophoretic deposition. The properties of polyamic acid-silica hybrid colloidal emulsion and polyimide-silica hybrid nanocomposite coating onto carbon fiber were characterized using laser diffraction, ZetaPlus Particle Sizing, transmission electron microscopy, field-emission scanning electron microscope, Fourier transform infrared spectroscopy and thermal gravimetric analysis. The results indicated that the small amount of nano-silica would be effectively dispersed in polyamic acid colloidal particles without aggregation and the nano-silica played an important role on keeping stability of polyamic acid-silica hybrid colloidal particles. The polyimide-silica hybrid nanocomposite coating carbon fiber displayed an excellent thermal stability up to 600 degrees C in the air (less than 5% weight loss for 8 h). (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：86 / 91

页数：6

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