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HIGH FLUX REVERSE OSMOSIS MEMBRANE COMPRISING POLYETHERSULFONE/POLYETHYLENE OXIDE-POLYSILSESQUIOXANE BLEND MEMBRANE FOR WATER PURIFICATION
HIGH FLUX REVERSE OSMOSIS MEMBRANE COMPRISING POLYETHERSULFONE/POLYETHYLENE OXIDE-POLYSILSESQUIOXANE BLEND MEMBRANE FOR WATER PURIFICATION
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机译:高通量反向渗透膜,包含用于净化水的聚乙烯砜/环氧乙烷-聚倍半硅氧烷混合膜
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摘要
This invention provides a new high flux reverse osmosis (RO) membrane comprising a nanoporous polyethersulfone (PES)/polyethylene oxide-polysilsesquioxane (PEO-Si) blend support membrane (PES/PEO-Si) comprising a polyethylene oxide-polysilsesquioxane (PEO-Si) polymer and a polyethersulfone (PES) polymer, a hydrophilic polymer inside the pores on the skin layer surface of the polyethersulfone/polyethylene oxide-polysilsesquioxane blend support membrane, and a thin, nanometer layer of cross-linked polyamide on the skin layer surface of said polyethersulfone/polyethylene oxide-polysilsesquioxane blend support membrane, and a method of making such a membrane. This invention also provides a method of using the new high flux reverse osmosis membrane comprising nanoporous PES/PEO-Si blend support membrane for water purification.
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