Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers

McGrath, James E; Park, Ho Bum; Freeman, Benny D

Title: Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers

Patent · Tue Oct 04 00:00:00 EDT 2011

OSTI ID:1029310

McGrath, James E ^[1]; Park, Ho Bum ^[2]; Freeman, Benny D ^[2]

Blacksburg, VA
Austin, TX

The present invention provides a membrane, kit, and method of making a hydrophilic-hydrophobic random copolymer membrane. The hydrophilic-hydrophobic random copolymer membrane includes a hydrophilic-hydrophobic random copolymer. The hydrophilic-hydrophobic random copolymer includes one or more hydrophilic monomers having a sulfonated polyarylsulfone monomer and a second monomer and one or more hydrophobic monomers having a non-sulfonated third monomer and a fourth monomer. The sulfonated polyarylsulfone monomer introduces a sulfonate into the hydrophilic-hydrophobic random copolymer prior to polymerization.

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Research Organization:: Virginia Tech Intellectual Properties, Inc. (Blacksburg, VA)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG36-06GO16038

Assignee:: Virginia Tech Intellectual Properties, Inc. (Blacksburg, VA)

Patent Number(s):: 8,028,842

Application Number:: 11/655,319

OSTI ID:: 1029310

Country of Publication:: United States

Language:: English

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