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    • 5. 发明授权
    • Permeable membrane and method
    • 渗透膜及方法
    • US06503294B2
    • 2003-01-07
    • US09795234
    • 2001-02-28
    • Masahito YoshikawaYuji OzekiTakashi Taniguchi
    • Masahito YoshikawaYuji OzekiTakashi Taniguchi
    • B01D5322
    • C01B13/0251B01D53/228B01D65/10B01D67/0051B01D71/028B01D2323/04C01B3/503H01G9/12
    • Permeable membrane porous substrate and a functional layer provided on the surface of and/or inside the porous substrate, the functional layer having a hydrogen permeation rate of 1×10−10 mol/s·m2·Pa or more, and satisfying at least one of the following properties (1) through (3): (1) Hydrogen is selectively caused to permeate preferentially to water vapor. (2) When a test tube containing ethylene glycol and sealed with the permeable membrane is placed in a 85° C. oven, the ethylene glycol decrease rate measured is 1×10−2 g/hour or less, per square centimeter (1 cm2) of the permeable membrane. (3) When a test tube containing 5% ammonium adipate ethylene glycol solution and sealed with the permeable membrane is placed in a 85° C. oven for 2 days, the acid quantity of the solution is 5×10−3 equivalent or less, per square centimeter of the permeable membrane.
    • 可渗透膜多孔基材和设置在多孔基材的表面上和/或内部的功能层,所述功能层的氢渗透速率为1×10 -10 mol / s·mPa·Pa以上,并且满足以下条件中的至少一种: 以下性质(1)〜(3):( 1)选择性地使氢气优先渗透到水蒸气中。(2)当将含有乙二醇并用渗透膜密封的试管放置在85℃的烘箱中时, 测定的乙二醇降低率为1×10 -2 g /小时以下,每平方厘米(1cm 2)的渗透膜。(3)当含有5%己二酸二甲铵乙二醇溶液并用可渗透膜密封的试管为 放置在85℃的烘箱中2天,每平方厘米渗透膜的溶液的酸量为5×10 -3当量或更小。