Environmentally Sustainable Superhydrophobic Membrane Made of Cellulose and Grafted with PVDF for Separating Oil and Water
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초록
내용
A cellulose membrane that has been grafted with PVDF (PVDF-g-CM) was created for the purpose of oil/water separation. The surface-initiated polymerization of PVDF was done using the RAFT/MADIX method, which was applied to a cellulose membrane that was first attached to a RAFT CTA. PVDF, a hydrophobic fluoropolymer with low surface energy due to its C-F bonds, was selected as the grafting material for oil/water separation because of its well-known chemical and thermal stability. The resulting superhydrophobic PVDF-g-CM had a WCA of approximately 150° and was used as a separation membrane for oil/water mixtures. After multiple cycles, the PVDF-g-CM demonstrated high separation efficiency and displayed physical, chemical, and thermal stability, surpassing that of the PVDF-coated CM.