Preparation and characterization of polyimide/silica nanocomposite spheres

被引：27

作者：

Liu, Qiu-Ping ^{[1
]}

Gao, Ling-Xiang ^{[1
]}

Gao, Zi-Wei ^{[1
]}

Yang, Lin ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Chem & Mat Sci, Key Lab Macromol Sci Shaanxi Province, Xian 710062, Peoples R China

来源：

MATERIALS LETTERS | 2007年 / 61卷 / 23-24期

关键词：

polyimide; silica; nanocomposites; coated particles; composite materials;

D O I：

10.1016/j.matlet.2007.02.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Silica (SiO2) nanocomposite spherical particles coated with polyimide had been synthesized by a dispersion polymerization method. The chemical structure of polyimide/silica (PI/SiO2) nanocomposite spherical particles was investigated by using FT-IR, and the surface morphology characterization was performed with SEM. The TEM showed that SiO2 core was surface-coated with a multilayer composite and the multilayer thickness was about 20 nm. Moreover, the particles were homogeneously distributed and interconnected very fine. Basing the results, it was found that the PI/SiO2 nanocomposite particles were core-shell structure. (C) 2007 Elsevier B.V. All rights reserved.

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收藏

页码：4456 / 4458

页数：3

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