METHOD OF CARBOXYMETHYLATION OF LIGNOCARBOHYDRATE MATERIALS Russian patent published in 1999 - IPC

Abstract RU 2135517 C1

FIELD: woodworking industry. SUBSTANCE: method consists in that air-dry sample of lignocarbohydrate materials (20 g) are treated with monochloroacetic acid sodium salt (7.2-29.0 g) and sodium hydroxide (2.8-10.6 g) by intensive disintegration for 5-30 min at 10 C with no water added. Products are soluble in water and form viscous solutions. EFFECT: optimized process parameters. 1 tbl, 9 ex

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RU 2 135 517 C1

Authors

Bazarnova N.G.

Tokareva I.V.

Galochkin A.I.

Markin V.I.

Dates

1999-08-27—Published

1998-03-19—Filed