Solvent-resistant composite membrane composition
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Abstract
A solvent-resistant composite membrane composition comprising polymer coated uniformly on porous filtration membranes can be used in a membrane separation process. The polymer compositions may further comprise comonomers, crosslinking monomers, catalysts, thickening agents, or other additives.
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Citations
19 Claims
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1. (canceled)
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2. (canceled)
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3. (canceled)
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4. (canceled)
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5. (canceled)
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6. (canceled)
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7. (canceled)
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8. (canceled)
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9. (canceled)
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10. A method of preparing a solvent-resistant composite membrane comprising the steps of:
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dissolving a monomer or a polymer in a solvent to form a coating solution;
adding a thickening agent to the coating solution;
contacting the coating solution with a porous support to form a coating; and
removing the solvent, wherein the coating has a thickness of 3 mils to 10 mils. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification