期刊
COMPOSITES SCIENCE AND TECHNOLOGY
卷 124, 期 -, 页码 10-16出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2016.01.006
关键词
Surface initiated polymerization; RAFT; Ultra low dielectric loss; Ceramic/cyanate ester composites
资金
- Foundation of Natural Science Foundation of China [51403175]
- Natural Science Basic Research Plan in Shaanxi Province of China [2015JZ009, 2015JM5153]
- China Aerospace Science and Industry Corporation
- Fundamental Research Funds for the Central Universities [3102015ZY066, 3102015ZY063]
Surface initiated reversible addition fragmentation chain transfer polymerization (RAFT) of glycidyl methacrylate (GMA) was conducted on ceramic particles (ZNT). Then the ZNT@PGMA particles were introduced into cyanate ester (CE) matrix to prepare the ultra low dielectric loss ZNT@PGMA/CE composites. The ZNT@PGMA particles can be well dispersed in the CE matrix, resulting in the improvement of glass transition temperature by 40 degrees C and the increase of storage modulus by 130% in comparison to that of pure CE resins. The introduction of ZNT@PGMA particles can obviously decrease dielectric loss value of the ceramic/CE composites by one order of magnitude, which possesses potential in wave transparent composites and structures. (C) 2016 Elsevier Ltd. All rights reserved.
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