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    • 4. 发明授权
    • Membrane and use thereof
    • 膜及其用途
    • US07644825B2
    • 2010-01-12
    • US10532131
    • 2003-10-17
    • Bernd KrauseMatthias WesslingHermann GöhlMarkus Storr
    • Bernd KrauseMatthias WesslingHermann GöhlMarkus Storr
    • B01D71/06B01D71/68B01D71/28B01D71/00
    • B01D67/002B01D67/0083B01D69/02B01D71/68B01D71/80B01D2325/36B29C44/3403
    • The membrane producible by shaping a polymer blend or a block copolymer comprising blocks of monomer units, loading the polymer blend or block copolymer with a blowing gas concentration within the polymer blend or block polymer above a critical concentration at a temperature below a critical temperature, but above the glass transition temperature of the polymer blend/gas or block copolymer/gas mixture and finally stabilizing the foam structure is characterized in that as polymer blend a homogeneous polymer blend comprising at least one hydrophilic and at least one hydrophobic polymer and/or a block copolymer of alternating blocks of hydrophilic and hydrophobic monomer units is used, both the polymer blend and the block copolymer having a solubility relating to the used foaming gas above the critical concentration. The said membrane is used for medical purposes, especially for the haemodialysis, haemofiltration, haemodiafiltration, plasmapherese, immunotherapy, micro- or ultrafiltration or gas separation.
    • 该膜可以通过将包含单体单元的嵌段的聚合物共混物或嵌段共聚物成型,将聚合物共混物或嵌段共聚物以高于临界温度的临界浓度的聚合物共混物或嵌段聚合物内的吹入气体浓度加载, 高于聚合物共混物/气体或嵌段共聚物/气体混合物的玻璃化转变温度,并且最终稳定泡沫结构的特征在于,作为聚合物共混物,包含至少一种亲水和至少一种疏水性聚合物和/或嵌段的均匀聚合物共混物 使用亲水和疏水单体单元的交替嵌段的共聚物,聚合物共混物和嵌段共聚物具有高于临界浓度的所用发泡气体的溶解度。 所述膜用于医疗目的,特别用于血液透析,血液透析,血液透析,血浆置换,免疫治疗,微量或超滤或气体分离。