標題: Bulk and surface properties of layered silicates/fluorinated polyimide nanocomposites
作者: Jiang, LY
Wei, KH
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 15-Nov-2002
摘要: Intercalated layered silicates/fluorinated polyimide nanocomposites with good overall properties are synthesized from organics-modified-montmorillonite and poly(amic acid), as confirmed by x-ray and transmission electron microscopy results. Both the bulk and surface (nanometer-domain) mechanical properties of synthesized silicates/fluorinated polyimide nanocomposites increased substantially as compared to that of pure polyimide. In particular, the Young's modulus and surface hardness of the fluorinated polyimide containing 5 wt % 2NH(2)-mont are 69% and 100% larger than that of pure polyimide, respectively. Additionally, the reduced elastic modulus by nanoindentation of the nanocomposites is 74% larger than that of the pure polyimide. The barrier properties of the nanocomposites, such as thermal expansion and water absorption retardation, are enhanced. (C) 2002 American Institute of Physics.
URI: http://dx.doi.org/10.1063/1.1516268
http://hdl.handle.net/11536/28380
ISSN: 0021-8979
DOI: 10.1063/1.1516268
期刊: JOURNAL OF APPLIED PHYSICS
Volume: 92
Issue: 10
起始頁: 6219
結束頁: 6223
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