期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 31, 期 5, 页码 484-489出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200900711
关键词
core-shell microstructure; permittivity; phase separation; self-assembly; sequential precipitation
资金
- National Natural Science Foundation of China [50773030]
- Doctoral Program of Higher Education of China [200802840010]
- Scientific Research Foundation of Graduate School of Nanjing University
- Testing Foundation of Nanjing University
- Outstanding Foundation of Nanjing University of Science and Technology
Polymeric core shell microstructures have been constructed through a new method, namely sequential precipitation, which is intrinsically a self-assembly and phase separation process. High-quality poly(vinyldene fluoride)-polycarbonate-lithium perchlorate composite films with spherical core shell microstructures have been prepared and determined to consist of conducting cores and insulating shells. Because of the percolation effect, the resulting materials present a dielectric constant as high as 10(4)-10(7) at the threshold.
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