✦ LIBER ✦

Sequential Polymer Precipitation of Core–Shell Microstructured Composites with Giant Permittivity

✍ Scribed by Tingyang Dai; Kai Chen; Xutang Qing; Yun Lu; Jinsong Zhu; Feng Gao

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 621 KB
Volume: 31
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.200900711

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✦ Synopsis

Abstract

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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