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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/44164


    Title: Equilibrium phase behavior of the membrane forming water-DMSO-EVAL copolymer system
    Authors: Young, Tai-horng;Lai, Juin-yih;You, Wei-ming;Cheng, Liao-ping
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Poly(ethylene-co-vinyl alcohol);EVAL copolymer;Phase diagram;Crystallization;Liquid-liquid demixing;Interaction parameter
    Date: 1997-05
    Issue Date: 2010-03-09 09:59:55 (UTC+8)
    Publisher: Amsterdam: Elsevier BV
    Abstract: The equilibrium phase behavior of ethylene vinyl alcohol (EVAL) copolymer in mixtures of DMSO (dimethylsulfoxide, solvent) and water (nonsolvent) was studied for different temperatures. Both crystallization-induced gelation and liquid-liquid demixing were observed. From the determined phase diagram of this system at 25°C, three regions may be identified, i.e., a homogeneous region, a gel region, and binodal region in which both types of phase transition take place. At higher temperatures, crystallization isotherm was found to intersect the binodal phase boundary, which is analogous to the phase behavior reported by Stokes and Berghmans for several binary systems.
    Relation: Journal of membrane science 128(1), pp.55-65
    DOI: 10.1016/S0376-7388(96)00329-8
    Appears in Collections:[化學工程與材料工程學系暨研究所] 期刊論文

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