Asymmetric gas separation membranes
    41.
    发明授权
    Asymmetric gas separation membranes 失效
    不对称气体分离膜

    公开(公告)号:US4654055A

    公开(公告)日:1987-03-31

    申请号:US509628

    申请日:1983-06-30

    IPC分类号: B01D67/00 B01D53/22

    CPC分类号: B01D67/0088

    摘要: Asymmetric gas separation membranes of materials having selective permeation of at least one gas of a gaseous mixture over that of one or more remaining gases of the gaseous mixture, exhibit significantly improved permeation selectivities for the at least one gas when the asymmetric membrane is contacted on one or both surfaces with an effective amount of a Bronsted-Lowry base. The improved asymmetric gas separation membranes, process for producing the improved membrane, and processes utilizing such membranes for selectively separating at least one gas from a gaseous mixture by permeation are disclosed.

    摘要翻译: 具有气态混合物的至少一种气体的选择性渗透的气体混合物的气体混合物的一种或多种剩余气体的选择性渗透的材料的不对称气体分离膜当在一种气体混合物上接触不对称膜时显示出显着改善的至少一种气体的渗透选择性 或具有有效量的Bronsted-Lowry碱的两个表面。 公开了改进的不对称气体分离膜,用于生产改进膜的方法,以及利用这种膜通过渗透从气态混合物中选择性分离至少一种气体的方法。

    Asymmetric gas separation membranes
    42.
    发明授权
    Asymmetric gas separation membranes 失效
    不对称气体分离膜

    公开(公告)号:US4472175A

    公开(公告)日:1984-09-18

    申请号:US509626

    申请日:1983-06-30

    IPC分类号: B01D53/22 B01D67/00 B01D69/12

    CPC分类号: B01D67/0088

    摘要: Asymmetric gas separation membranes of materials having selective permeation of at least one gas of a gaseous mixture over that of one or more remaining gases of the gaseous mixture, exhibit significantly improved permeation selectivities for the at least one gas when the asymmetric membrane is contacted on one or both surfaces with an effective amount of a Br nsted-Lowry acid. The improved asymmetric gas separation membranes, process for producing the improved membrane, and processes utilizing such membranes for selectively separating at least one gas from a gaseous mixture by permeation are disclosed.

    摘要翻译: 具有气态混合物的至少一种气体的选择性渗透的气体混合物的气体混合物的一种或多种剩余气体的选择性渗透的材料的不对称气体分离膜当在一种气体混合物上接触不对称膜时显示出显着改善的至少一种气体的渗透选择性 或两个表面与有效量的Br nsted-Lowry酸。 公开了改进的不对称气体分离膜,用于生产改进膜的方法,以及利用这种膜通过渗透从气态混合物中选择性分离至少一种气体的方法。