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    • 2. 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。
    • 3. 发明授权
    • Biocompatible polymer film
    • 生物相容性聚合物膜
    • US06841255B2
    • 2005-01-11
    • US10245115
    • 2002-09-17
    • Reinhold DeppischUlrich BauerWerner BeckRuth DietrichHermann GöhlKatja Krämer
    • Reinhold DeppischUlrich BauerWerner BeckRuth DietrichHermann GöhlKatja Krämer
    • A61L33/00A61L27/34A61L29/08A61L31/10A61L33/06B32B27/06C08G81/00C08J5/18B32B25/20
    • C08J5/18A61L27/34A61L29/085A61L31/10A61L33/068C08G81/00Y10T428/31504Y10T428/31598C08L83/10
    • The present invention includes a co-polymer film which can be applied over a surface of an article to form a continuous surface that is more biocompatible and has a smoother surface morphology than an untreated article. In general the co-polymer film of the invention can be formed by providing a hydrophobic polymer block, such as polydimethylsiloxane (PDMS) with functional —OH end groups and reacting the —OH ends with a conventional monomer or prepolymer of a film-forming polymer capable of reacting with —OH groups. Such reactions are exemplified, using as reactive PDMS a triblock copolymer of the polylactone-polysiloxane-polylactone (PL-PDMS-PL) type, or silicone polyesters. The —OH groups of the polylactone blocks can react with any of a variety of isocyanates in a suitable solvent to form a polymer having PDMS incorporated with its structure. The film can be applied to the surface of an article by any convenient means of coating the article with the reaction mixture in solvent, and allowing the solvent to evaporate.
    • 本发明包括可以施加在制品的表面上以形成比未处理制品更具生物相容性并且具有更光滑的表面形态的连续表面的共聚物膜。 通常,本发明的共聚物膜可以通过提供具有官能-OH端基的疏水性聚合物嵌段例如聚二甲基硅氧烷(PDMS)并使-OH端与常规的成膜聚合物的单体或预聚物 能够与-OH基团反应。 举例来说,使用聚内酯 - 聚硅氧烷 - 聚内酯(PL-PDMS-PL)型的三嵌段共聚物或硅氧烷聚酯作为反应性PDMS。 聚内酯嵌段的-OH基团可以在合适的溶剂中与各种异氰酸酯中的任何一种反应,以形成具有结合其PDMS的聚合物。 可以通过用反应混合物在溶剂中涂覆制品的任何便利的方法将膜施加到制品的表面,并使溶剂蒸发。
    • 4. 发明授权
    • Biocompatible polymer film
    • 生物相容性聚合物膜
    • US06500549B1
    • 2002-12-31
    • US09415943
    • 1999-10-08
    • Reinhold DeppischUlrich BauerWerner BeckRuth DietrichHermann GöhlKatja Krämer
    • Reinhold DeppischUlrich BauerWerner BeckRuth DietrichHermann GöhlKatja Krämer
    • B32B2520
    • C08J5/18A61L27/34A61L29/085A61L31/10A61L33/068C08G81/00Y10T428/31504Y10T428/31598C08L83/10
    • The present invention includes a co-polymer film which can be applied over a surface of an article to form a continuous surface that is more biocompatible and has a smoother surface morphology than an untreated article. In general the co-polymer film of the invention can be formed by providing a hydrophobic polymer block, such as polydimethylsiloxane (PDMS) with functional —OH end groups and reacting the —OH ends with a conventional monomer or prepolymer of a film-forming polymer capable of reacting with —OH groups. Such reactions are exemplified, using as reactive PDMS a triblock copolymer of the polylactone-polysiloxane-polylactone (PL-PDMS-PL) type, or silicone polyesters. The —OH groups of the polylactone blocks can react with any of a variety of isocyanates in a suitable solvent to form a polymer having PDMS incorporated with its structure. The film can be applied to the surface of an article by any convenient means of coating the article with the reaction mixture in solvent, and allowing the solvent to evaporate.
    • 本发明包括可以施加在制品的表面上以形成比未处理制品更具生物相容性并且具有更光滑的表面形态的连续表面的共聚物膜。 通常,本发明的共聚物膜可以通过提供具有官能-OH端基的疏水性聚合物嵌段例如聚二甲基硅氧烷(PDMS)并使-OH端与常规的成膜聚合物的单体或预聚物 能够与-OH基团反应。 举例来说,使用聚内酯 - 聚硅氧烷 - 聚内酯(PL-PDMS-PL)型的三嵌段共聚物或硅氧烷聚酯作为反应性PDMS。 聚内酯嵌段的-OH基团可以在合适的溶剂中与各种异氰酸酯中的任何一种反应,以形成具有结合其PDMS的聚合物。 可以通过用反应混合物在溶剂中涂覆制品的任何便利的方法将膜施加到制品的表面,并使溶剂蒸发。