FIELD: production of composite sorption materials on base of fibrous carbon material and natural bio-polymer-chitosan.
SUBSTANCE: proposed method includes electrochemical treatment of carbon fibrous material at cathode or anode polarization at interval of potentials of (+1.5) to (-1.5) V relative to comparison silver chloride electrode by 0.05-0.5% chitosan solution in diluted hydrochloric acid in presence of sodium chloride, holding it at preset potential for 20-180 min for forming chitosan film on surface of carbon fibrous material followed by washing the material with water and drying.
EFFECT: possibility of producing materials at varying properties due to performance of process in wider range of polarization potentials.
4 cl, 1 tbl, 15 ex
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Authors
Dates
2006-08-10—Published
2004-11-09—Filed