Back to results
US 9,540,261 B2Granted
Coated ion exchange membranes
OwnerJuchui Ray Lininventor
Life of this patent
Estimating the term…
Abstract
Ion exchange membranes may include a polymeric microporous substrate, a cross-linked ion transferring polymeric layer on the substrate, and a hydrophobic coating on the cross-linked ion transferring polymer. The hydrophobic coating may comprise at least one of a weak base copolymer and an organosilicate compound.
Claims20
An ion exchange membrane, comprising:
- a polymeric microporous substrate;
- a cross-linked ion transferring polymeric layer on the substrate;
- and
- a hydrophobic coating on the cross-linked ion transferring polymer, the hydrophobic coating comprising at least one of a weak base copolymer and an organosilicate compound.
1 more element
A method of reducing water loss in an electrochemical separation device comprising at least one ion exchange membrane, the method comprising:
- coating the at least one ion exchange membrane with a hydrophobic weak base copolymer or a hydrophobic organosilicate compound;
- and
- integrating the at least one coated ion exchange membrane into the electrochemical separation device.
A water treatment system, comprising:
- an electrochemical separation device comprising at least one ion exchange membrane coated with a hydrophobic weak base copolymer or a hydrophobic organosilicate compound.
Dependencies are inferred from the claim text.