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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/112825


    题名: Effects of Cooling Temperature and Aging Treatment on the Morphology of Nano- and Micro-porous EVOH Membranes by Thermal Induced Phase Separation Method
    作者: Hsu-Hsien Chang;Konstantinos Beltsios;Yih-Hang Chen;Dar-Jong Lin;Liao-Ping Cheng
    日期: 2014-06-15
    上传时间: 2018-03-02 12:14:01 (UTC+8)
    摘要: Poly(ethylene-co-vinyl alcohol) (EVOH 32) / 1,3-propanediol mixtures are processed by thermally induced phase separation for the formation of porous membranes. The crystallization line was determined both by the cloud-point and DSC methods. Two precursor solution compositions, four quench temperatures and various aging times were explored. It is found possible to generate both polymer-crystallization controlled morphologies (for high quenches and/or sufficiently aged dopes), especially globular microporous ones, and novel nano-scale porous morphologies dominated by intra-binodal phase separation (for low quenches and limited or no precursor solution aging). Structural characterization of the membranes was accomplished via application of scanning electron microscopy and wide angle X-ray diffraction.
    關聯: Journal of Applied Polymer Science 131(12), 40374(1-8)
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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