Highly Tuneable Graphene Oxide Membranes for Point-of-use to Portable Water Filtration
AssigneeThe University of Manchester
InventorsRahul Raveendran Nair, Tobias Bohn
Life of this patent
Estimating the term…
Abstract
The present invention relates to laminate membranes for filtration of solutes. The membranes comprise graphene oxide and polyvinyl amine. The invention also relates to methods of reducing the amount of solutes in a mixture using said membranes, methods of making said membranes, and uses of said membranes.
Claims21
A laminate membrane for filtration of solutes, the membrane comprising:
- a plurality of graphene oxide flakes;
- and
- polyvinyl amine associated with the plurality of graphene oxide flakes, wherein the membrane has a weight ratio of polyvinyl amine:
- graphene oxide in the range of from about 1:1 to about 1:100.
A method of making a membrane, the method comprising depositing a mixture comprising graphene oxide and polyvinyl amine in an aqueous solution on a substrate to form a membrane comprising a plurality of graphene oxide flakes and polyvinyl amine associated with the plurality of graphene oxide flakes, wherein the membrane has a weight ratio of polyvinyl amine:
- graphene oxide in the range of from about 1:1 to about 1:100.
Dependencies are inferred from the claim text.