Method for the preparation of thin-skinned asymmetric reverse osmosis membranes and products thereof
A method for preparing water-insoluble asymmetric reverse osmosis membranes from water-soluble polymers is disclosed. The method involves casting a polymer film, partially drying it and then contacting it with a transition metal polyvalent ion solution. Optionally, the product of the contacting is c...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method for preparing water-insoluble asymmetric reverse osmosis membranes from water-soluble polymers is disclosed. The method involves casting a polymer film, partially drying it and then contacting it with a transition metal polyvalent ion solution. Optionally, the product of the contacting is cross-linked such as by radiation or heat. The membrane products are disclosed as well. |
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