NITRATE CELLULOSE LUSTERLESS VARNISH Russian patent published in 1997 - IPC

FIELD: dye and varnish industry. SUBSTANCE: invention relates to production of lusterless varnishes for finishing furniture and other wood objects. Invention is aimed at creating new lusterless nitrate cellulose varnish with elevated ornamental and protective characteristics (hardness, elasticity), improved performance characteristics (water, heat, and cold resistance), stable on storage (elimination of formation of solid hardly dispersible sediment), and being distinguished with easiness of preparation and high-speed air drying. Preparation: cellulose esters (colloxylin, ethylcellulose) are wetted with a mixture of organic solvents in cylinder-type mixer with gate, anchor or rotor-jet agitator, and agitated at room temperature until dissolution is completed. EFFECT: improved user's quality. 2 tbl