FIELD: process engineering.
SUBSTANCE: invention relates to method of producing composite membranes with fullerene-containing polymer selective layer to extract ethers in alkyl acetate hybrid process. Proposed method consists in forming selective diffusion polymer layer on microporous substrate. Microporous substrate is represented by microfiltration membrane from copolymer of vinylidene fluoride with lavsan-based tetrafluoroethylene. Selective layer is the mix of poly(phenylene oxide) and fullerene C60. Selective layer is formed by applying 2%-solution of aforesaid mix onto surface of said microporous substrate and drying it.
EFFECT: composite membrane with improved transfer properties for extracting ethers.
1 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF NANO-MODIFICATION OF SYNTHETIC POLYMER MEMBRANES | 2011 |
|
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| METHOD OF OBTAINING DIFFUSION FULLERENE-CONTAINING MEMBRANES | 2012 |
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| METHOD OF POLYMERIC MULTILAYER PERVAPORATION MEMBRANE MAKING | 1998 |
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