METHOD FOR PREPARING SELF-SUPPORTING COMPOSITE NANOFILTRATION MEMBRANE
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United States of America
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Dec 5, 2024
app pub date -
May 30, 2023
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May 30, 2023
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Abstract
A method for preparing a self-supporting composite nanofiltration membrane is provided. A porous graphene-based two-dimensional sheet material is prepared by taking amino graphene quantum dots as the main body and subjecting them to an interfacial polymerization reaction with polyacyl chloride, and then the porous graphene-based two-dimensional sheet material is encapsulated in-situ with polyamide by an in-situ encapsulating technology to prepare a self-supporting porous graphene/polyamide separation layer with excellent permeability and high selectivity.
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