AQUEOUS COMPOSITION FOR REMOVAL OF PAINTS FROM PAPER WASTE Russian patent published in 1994 - IPC

FIELD: paper industry. SUBSTANCE: composition contains hydroxide of alkaline metal, silicate of alkaline metal, hydrogen peroxide and acid derivative. The latter is a product of reaction of alkylene oxides and derivatives of carboxylic acid with 10-22 atoms of carbon and/or carboxylic acids with 10-22 atoms of carbon comprising acid residues containing at least one hydroxylic group in position 9, 10, 13 and/or 14 in the following ratio of components, wt. -% : above-mentioned reaction product, 0.15-0.4; hydrogen peroxide, 0.7; hydroxide of alkaline metal, 1.0; silicate of alkaline metal (35-% aqueous solution), 2.0; water, the balance. EFFECT: higher efficiency. 1 tbl