期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 101, 期 -, 页码 237-242出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2017.06.005
关键词
Polymer-matrix composites (PMCs); Thermal properties; Compression moulding
资金
- Foundation of National Natural Science Foundation of China [51403175]
- China Aerospace Science and Industry Corporation [2017-HT-XGD]
- Fundamental Research Funds for the Central Universities [3102017jg02003]
- Undergraduate Innovation Program [201610699371]
The proposed combining method of silane coupling agent of gamma-aminopropyl triethoxy silane/aminopropyllsobutyl polyhedral oligomeric silsesquioxane (KH-560/NH2-POSS) was performed to functionalize the surface of hexagonal nanometer boron nitride fillers (f-nBN), aiming to fabricate the f-nBN/polyphenylene sulfide (f-nBN/PPS) nanocomposites with excellent thermal conductivities, outstanding thermal stabilities and optimal dielectric properties. The usage of f-nBN fillers was benifit for improving the thermally conductive coefficient (lambda) and decreasing dielectric constant (epsilon) values of the PPS nanocomposites. The f-nBN/PPS nanocomposite with 60 wt% f-BN fillers was an excellent dielectric nanocomposite with high lambda & ideal a values and outstanding thermal stability, lambda of 1.122 W/m K (increased by 400% compared to that of pristine PPS matrix), epsilon of 3.99 and THeat-resistance index (T-HRI) beyond 275 degrees C, which holds potential for electronic packaging materials and ultra high voltage electrical apparatus. (C) 2017 Elsevier Ltd. All rights reserved.
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