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US 2023/0146760 A1Published application
Solution of polysulfone polymers in gamma-valerolactone for the use in membranes
AssigneeBASF SE
InventorsOliver GRONWALD, Daniela KLEIN, Martin WEBER, Regina-Margareta BERG
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Abstract
Described herein is a solution including at least one sulfone polymer, at least one water-soluble polymer, and gamma-valerolactone. Also described herein is a process of making a membrane using the solution, and a method of using the membrane for water ultrafiltration and/or dialysis.
Claims19
A solution comprising:
- a) at least one sulfone polymer,
- b) at least one water-soluble polymer, and
- c) gamma-valerolactone.
Dependencies are inferred from the claim text.