초록 ▼

Hydrophilic porous membranes comprising a random copolymer of: (a) 2-hydroxyethyl methacrylate of formula (I): (b) an ethylene glycol dimethacrylate of formula (II): and(c) 1,1,1-trimethylolpropane trimethacrylate of formula (III): and a hydrophobic polymer; filters including the membranes, and meth

Hydrophilic porous membranes comprising a random copolymer of: (a) 2-hydroxyethyl methacrylate of formula (I): (b) an ethylene glycol dimethacrylate of formula (II): and(c) 1,1,1-trimethylolpropane trimethacrylate of formula (III): and a hydrophobic polymer; filters including the membranes, and methods of making and using the membranes, are disclosed.

대표청구항 ▼

1. A hydrophilic microporous membrane comprising a polymer blend comprising a hydrophobic polymer and a random copolymer of: (a) 2-hydroxyethyl methacrylate of formula (I): (b) polyethylene glycol-400 dimethacrylate; and(c) 1,1,1-trimethylolpropane trimethacrylate of formula (III): wherein the hydr

1. A hydrophilic microporous membrane comprising a polymer blend comprising a hydrophobic polymer and a random copolymer of: (a) 2-hydroxyethyl methacrylate of formula (I): (b) polyethylene glycol-400 dimethacrylate; and(c) 1,1,1-trimethylolpropane trimethacrylate of formula (III): wherein the hydrophilic microporous membrane is prepared by casting a polymer solution comprising the polymer blend onto a substrate before carrying out phase inversion of the polymer solution to provide the hydrophilic microporous membrane. 2. A hydrophilic microporous membrane prepared by a process comprising polymerizing in a solvent: (a) 2-hydroxyethyl methacrylate of formula (I): (b) polyethylene glycol-400 dimethacrylate; and(c) 1,1,1-trimethylolpropane trimethacrylate of formula (III): to form a random copolymer of (a), (b), and (c); wherein the solvent also includes (d) at least one initiator and (e) a hydrophobic polymer, before casting a solution comprising the random copolymer and the solvent onto a substrate, and carrying out phase inversion of the solution to provide the hydrophilic microporous membrane. 3. A hydrophilic microporous membrane prepared by a process comprising dissolving or dispersing in a solvent: (a) 2-hydroxyethyl methacrylate of formula (I): (b) polyethylene glycol-400 dimethacrylate;(c) 1,1,1-trimethylolpropane trimethacrylate of formula (III): (d) a hydrophic polymer; and,(e) at least one initiator;wherein each of (a)-(e) is dissolved or dispersed in the solvent in any order, or simultaneously;and,polymerizing (a), (b), and (c) to form a random copolymer of (a), (b), and (c), before casting a solution comprising the random copolymer and the solvent onto a substrate, and carrying out phase inversion of the solution to provide the hydrophilic microporous membrane. 4. The hydrophilic membrane of claim 1, wherein the hydrophobic polymer is a sulfone polymer. 5. A method of filtering a fluid, the method comprising passing the fluid through the membrane of claim 1. 6. The method of claim 5, wherein the fluid is a protein-containing fluid. 7. The hydrophilic membrane of claim 2, wherein the hydrophobic polymer is a sulfone polymer. 8. The hydrophilic membrane of claim 3, wherein the hydrophobic polymer is a sulfone polymer. 9. A method of filtering a fluid, the method comprising passing the fluid through the membrane of claim 2. 10. A method of filtering a fluid, the method comprising passing the fluid through the membrane of claim 3. 11. A method of filtering a fluid, the method comprising passing the fluid through the membrane of claim 4. 12. The method of claim 9, wherein the fluid is a protein-containing fluid. 13. The method of claim 10, wherein the fluid is a protein-containing fluid. 14. The method of claim 11, wherein the fluid is a protein-containing fluid.