Paper Title:

Study on the Properties of PVDF/LCP Blending Membranes

Periodical Advanced Materials Research (Volumes 418 - 420)
Main Theme Materials Processing Technology
Edited by Xianghua Liu, Zhengyi Jiang and Jingtao Han
Pages 469-472
DOI 10.4028/www.scientific.net/AMR.418-420.469
Citation Ying Liu et al., 2011, Advanced Materials Research, 418-420, 469
Online since December, 2011
Authors Ying Liu, Yu Feng Zhang, Chang Cheng Wu, Dong Qi Liu, Shu Fa Han
Keywords Blending, Ethyl Cellulose, Liquid Crystal Polymer, Polyvinylidene Fluoride
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Abstract

In this study, polyvinylidene fluoride/liquid crystal polymer (PVDF/LCP) blending membranes were prepared via phase-inversion. LCP is ethyl cellulose (EC) dissolved into acrylic acid (AA). The properties of these blends were measured by differential scanning calorimeter (DSC) and polarizing microscope. The results indicate that LCP formed at the concentration of 0.60g/ml and the blends begin to be observed the presence of liquid crystal. Moreover, at a certain temperature range, higher temperature can quicken the formation of liquid crystal. With the adding of LCP, the cholesteric liquid crystal can be still retained in the blending membranes, but the solution enthalpy decreased.