METHOD OF PRODUCTION OF COMPOSITE SORPTION MATERIALS Russian patent published in 2006 - IPC B01J20/32 B01J20/24 B01J20/20 

Abstract RU 2281160 C1

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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RU 2 281 160 C1

Authors

Zemskova Larisa Alekseevna

Sheveleva Irina Vadimovna

Sergienko Valentin Ivanovich

Dates

2006-08-10Published

2004-11-09Filed