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Sequential Polymer Precipitation of Core-Shell Microstructured Composites with Giant Permittivity
Article in journal
Tingyang Dai, Kai Chen, Xutang Qing, Yun Lu, Jinsong Zhu, Feng Gao
Publication Year
Macromolecular rapid communications, 2010, (31)5, 484-489
Link to Source (DOI)
<p>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.</p>