Back to results
US 11,235,288 B2Granted
Polystyrene-b-polyethylene oxide block copolymer membranes, methods of making, and methods of use
AssigneeKing Abdullah University of Science and Technology
InventorsKlaus-viktor Peinemann, Madhavan Karunakaran
Life of this patent
Estimating the term…
Abstract
Embodiments of the present disclosure provide for polystyrene-b-polyethylene oxide (PS-b-PEO) block copolymer nanoporous membranes, methods of making a PS-b-PEO block copolymer nanoporous membrane, methods of using PS-b-PEO block copolymer nanoporous membranes, and the like.
Claims20
A structure, comprising:
- a porous membrane made of polystyrene-b-polyethylene oxide (PS-b-PEO) copolymers having surface pores and a molecular weight cutoff of about 110 kg/mol, wherein the porous membrane is an integral asymmetric membrane comprising a selective isoporous top layer and a substructure on the bottom of the membrane.
A structure, comprising:
- a porous membrane made of polystyrene-b-polyethylene oxide (PS-b-PEO) copolymers, wherein the porous membrane has a polyethylene oxide content of 8 to 16 wt. %, a surface pore density of about 108 pores/cm2 or more, or both.
A structure, comprising:
- a porous membrane made of polystyrene-b-polyethylene oxide (PS-b-PEO) copolymers, wherein the porous membrane has a surface pore density of about 108 pores/cm2 or more.
Dependencies are inferred from the claim text.