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    Title: Precipitation Dynamics for the Formation of Nylon-6 Polyamide Membranes by Isothermal Precipitation in Water/Formic Acid Solutions
    Authors: Shih, Chien-Hsueh;Carl C. Gryte;Cheng, Liao-Ping
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Nylon-6;Membrane;Ternary;Diffusion;Precipitation
    Date: 2012-01-01
    Issue Date: 2014-02-26 15:09:52 (UTC+8)
    Publisher: 新北市:淡江大學
    Abstract: The ternary mass transfer equations that describe the isothermal immersion process for
    polyamide membrane preparation were solved. To account for the moving boundary conditions, coordinate transformations were performed both for the membrane and the bath regions. Mutual diffusion coefficients between solvent and polymer were measured and used to derive ternary phenomenological coefficients for mass transfer equations. The calculated precipitation times, concentration profiles, and diffusion trajectories were found to agree with the measured light transmittance data and the membrane morphologies presented previously.
    Relation: Journal of Applied Science and Engineering=淡江理工學刊 15(4), pp.361-370
    DOI: 10.6180/jase.2012.15.4.06
    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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