Superoleophilic, Mechanically Strong Electrospun Membranes for Fast and Efficient Gravity-Driven Oil/Water Separation
| Autor: | Ilin Sadeghi, Peggy Cebe, Nelaka Dilshan Govinna, Ayse Asatekin |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
chemistry.chemical_classification
Gravity (chemistry) Materials science Polymers and Plastics Process Chemistry and Technology Organic Chemistry technology industry and agriculture Polymer Methacrylate Electrospinning Matrix (chemical analysis) chemistry.chemical_compound Membrane Chemical engineering chemistry Copolymer Fluoride |
| Zdroj: | ACS Applied Polymer Materials. 1:765-776 |
| ISSN: | 2637-6105 |
| DOI: | 10.1021/acsapm.8b00279 |
| Popis: | Separating oil–water mixtures is a common obstacle in many processes from wastewater treatment to biofuel manufacture to cleanup of oil spills. There is an urgent need for new, fast, and simple technologies for such separations. In this work, we describe a simple and practical route for creating superoleophilic electrospun membranes that are capable of selectively passing oil and organic compounds at very high rates in a gravity-driven system while retaining water. To prepare these membranes, we blended a new, highly fluorinated random copolymer (FCP), poly(methyl methacrylate-random-perfluorodecyl methacrylate), P(MMA-r-FDMA), with the commodity polymer poly(vinylidene fluoride) (PVDF) and prepared electrospun membranes from their mixture. Membranes composed of nonwoven fibers with uniform and bead-free morphology were obtained upon electrospinning of PVDF blended with this FCP. The PMMA segments provided anchors to the PVDF matrix, resulting in significant enhancement in the mechanical properties with u... |
| Databáze: | OpenAIRE |
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