Polyamide membrane with coating of polyalkylene oxide and polyacrylamide compounds
AssigneeDow Global Technologies LLC
InventorsWilliam E. Mickols, Chunming Zhang
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Abstract
A polyamide membrane and method for making and using the same, including use within a spiral wound module. While many different embodiments are described, one embodiment includes a polyamide membrane including a coating comprising a combination of a polyalkylene oxide compound and a polyacrylamide compound.
Claims20
A composite membrane comprising a microporous support, a thin film polyamide layer and a coating located upon a surface portion of the thin film polyamide layer, wherein the coating comprises a reaction product of a polyalkylene oxide compound and a polyacrylamide compound.
(canceled)
A method of modifying a polyamide membrane comprising the step of contacting at least a portion of a surface of a polyamide membrane with a polyalkylene oxide compound and a polyacrylamide compound.
Dependencies are inferred from the claim text.