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US 10,894,235 B2Granted
Composite membranes and applications thereof
AssigneeBoard of Trustees of the University of Arkansas
InventorsZheng R. Tian, Hulusi Turgut
Life of this patent
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Abstract
In one aspect, a composite membrane comprises a polymeric host comprising polybenzimidazole or polybenzimidazole derivative and graphene oxide dispersed in the polymeric host, the graphene oxide at least partially functionalized with phosphonic acid moieties, phosphonate moieties or combinations thereof. In some embodiments, the functionalized graphene oxide is homogeneously dispersed in the polymeric host and/or is not agglomerated in the polymeric host.
Claims15
A composite membrane comprising:
- a polymeric host comprising polybenzimidazole or polybenzimidazole derivative;
- and
- graphene oxide dispersed in the polymeric host, wherein the graphene oxide is at least partially functionalized with phosphonic acid moieties, phosphonate moieties or combinations thereof.
Dependencies are inferred from the claim text.