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    • 5. 发明申请
    • POLYSULFONE MEMBRANES METHODS AND APPARATUSES
    • 聚砜膜的方法和装置
    • WO2010051142A1
    • 2010-05-06
    • PCT/US2009/059808
    • 2009-10-07
    • GENERAL ELECTRIC COMPANYYEAGER, Gary, WilliamYU, LimingSTEIGER, DanielZHANG, Yanshi
    • YEAGER, Gary, WilliamYU, LimingSTEIGER, DanielZHANG, Yanshi
    • B01D71/68C08L81/06C08G75/23
    • B01D71/68B01D2323/02B01D2325/36C08L39/08C08L81/06C08L2666/04
    • The present invention relates to methods and apparatuses for water filtration comprising contacting a water stream with a membrane comprising a polysulfone having structural units of Formula I wherein X is OH, NR 1 R 2 , or OR 3 ; R 1 and R 2 are independently at each occurrence hydrogen, a C 1 -C 5000 aliphatic radical, a C 3 -C 12 cycloaliphatic radical, a C 3 -C 12 aromatic radical, a polypeptide, a combination thereof, or R 1 and R 2 taken together form a 5- or 6- membered aliphatic ring or a 5-membered aromatic ring; R 3 is a C 1 -C 20 aliphatic radical, C 3 -C 12 cycloaliphatic radical, C 3 -C 12 aromatic radical, or a combination thereof; B' and C' are independently at each occurrence a nitro group, C 1 -C 20 aliphatic radical, C 3 -C 12 cycloaliphatic radical, C 3 -C 12 aromatic radical, or a combination thereof; and q and r are independently at each occurrence 0 to 4. The present invention also relates to a method and apparatus for gas separation, the method comprising contacting a gas stream with a membrane comprising a polysulfone having structural units of Formula I.
    • 本发明涉及水过滤的方法和装置,包括使水流与包含具有式I结构单元的聚砜的膜接触,其中X是OH,NR1R2或OR3; R1和R2各自独立地为氢,C1-C5000脂族基团,C3-C12脂环族基团,C3-C12芳族基团,多肽,其组合,或者R 1和R 2一起形成5-或6 - 元脂环或5元芳环; R3是C1-C20脂族基团,C3-C12脂环族基团,C3-C12芳族基团或其组合; B'和C'在每次出现时独立地为硝基,C 1 -C 20脂族基,C 3 -C 12脂环族基,C 3 -C 12芳族基或其组合; 并且q和r在每次出现时独立地为0至4.本发明还涉及一种用于气体分离的方法和装置,所述方法包括使气流与包含具有式I结构单元的聚砜的膜接触。