Synthesis of Reverse Osmosis Membranes by Plasma Polymerization of Allylamine

The polymerization of allylamine in a radio-frequency electrodeless plasma to form thin polymer films on microporous filter media provides very effective dry composite membranes for reverse osmosis. Salt and urea rejections as high as 98 percent and 46 percent, respectively, have been achieved from...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1973-02, Vol.179 (4072), p.500-501
Hauptverfasser: Hollahan, John R., Wydeven, Theodore
Format: Artikel
Sprache:eng
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Zusammenfassung:The polymerization of allylamine in a radio-frequency electrodeless plasma to form thin polymer films on microporous filter media provides very effective dry composite membranes for reverse osmosis. Salt and urea rejections as high as 98 percent and 46 percent, respectively, have been achieved from a solution containing 10 grams of sodium chloride per liter and 10 grams of urea per liter. The plasma conditions and polymerization technique are discussed.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.179.4072.500