METHOD FOR PRODUCTION OF MICROCRYSTALLINE CELLULOSE Russian patent published in 2006 - IPC D21C1/04 C08B15/02

Abstract RU 2281993 C1

FIELD: production of microcrystalline cellulose useful in food processing industry, cosmetic industry and paint-vehicle industry.

SUBSTANCE: cellulose-containing material of determined humidity is treated with mixture of hydrogen chloride with air in ratio of 1:(2-10) at temperature of 25-70°C. Gaseous hydrogen chloride is cooled before mixing with air, and gas-air mixture temperature is adjusted by air heating before mixing with hydrogen chloride.

EFFECT: microcrystalline cellulose of maximal polymerization ratio; decreased amount of non-target fractions and debris.

5 cl, 1 dwg, 5 ex

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RU 2 281 993 C1

Authors

Vasil'Ev Vladimir Aleksandrovich

Dates

2006-08-20—Published

2005-02-11—Filed