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Abstract

Membrane materials may be used for treatment of aqueous fluid. Membrane materials suitable for water treatment may comprise: a base substrate having a plurality of pores defined therein; and a plurality of carbon nanotubes disposed upon the base substrate; wherein the plurality of carbon nanotubes includes oxidized carbon nanotubes having a plurality of carboxylic acid groups; wherein at least a portion of the carboxylic acid groups have been reacted with a polyamine compound via a first amine group of the polyamine compound to form a plurality of amide-linked polyamines bound to at least a portion of the plurality of carbon nanotubes, and at least a second amine group of polyamine compound is further functionalized as a reaction product of an active acyl compound.

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First Claim