Organic–inorganic polyimide nanocomposites containing a tetrafunctional polyhedral oligomeric silsesquioxane amine: synthesis, morphology and thermomechanical properties
Organic–inorganic polyimide nanocomposites containing a tetrafunctional polyhedral oligomeric silsesquioxane amine: synthesis, morphology and thermomechanical properties
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含有四官能多面体低聚倍半硅氧烷胺的有机-无机聚酰亚胺纳米复合材料:合成、形态和热机械性能
DOI:
10.1002/pi.5510
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发表时间:
2018-03
影响因子:
3.2
通讯作者:
Zheng S.
中科院分区:
文献类型:
--
作者:
Qiu J.;Xu S.;Liu N.;Wei K.;Li L.;Zheng S.
5,11,14,17‐Tetraanilinooctaphenyl double decker silsesquioxane, a well‐defined tetraamino polyhedral oligomeric silsesquioxane (POSS), was synthesized in this work. This novel tetrafunctional POSS amine was employed to prepare polyimide nanocomposites. It was found that the hybrid polyimide nanocomposites displayed nanostructures in which the POSS component was aggregated into spherical microdomains with a diameter of 40 − 80 nm. Compared to unmodified polyimide, the POSS‐containing polyimide nanocomposites displayed improved thermal stability and surface hydrophobicity. Owing to the introduction of the POSS microdomains, the dielectric constants of the polyimide nanocomposites were significantly decreased in comparison with plain polyimide. © 2017 Society of Chemical Industry
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影响因子:
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