Foaming of poly(vinylidene fluoride-co-hexafluoropropylene) using supercritical carbon dioxide

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题名:	Foaming of poly(vinylidene fluoride-co-hexafluoropropylene) using supercritical carbon dioxide
作者:	Tang, M (Tang, Muoi) Wang, TC (Wang, Tzu-Chi)
贡献者:	化材系
关键词:	Foams Crystallization Thermal properties
日期:	2017-04
上传时间:	2017-06-08 11:11:03 (UTC+8)
摘要:	This work studied the foaming behavior of poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) in supercritical carbon dioxide (scCO(2)). The effects of foaming temperature, foaming pressure, saturation time, depressurization time on the foam structure and crystallinity of samples were investigated. The foaming ability varies with different combinations of the foaming temperature and foaming pressure. However, a lower foaming temperature and a higher foaming pressure are more favorable for obtaining uniform foam than a higher foaming temperature and a lower foaming pressure. At a given foaming temperature and saturation time, increasing the foaming pressure leads to the decreased crystallinity and an increase in the melting temperature. (C) 2016 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
關聯:	JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS 卷: 73 頁碼: 146-153 特刊: SI
显示于类别:	[化學工程與材料工程學系暨碩士班] 期刊論文

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