ACRYLIC LACQUER COMPOSITION Russian patent published in 2008 - IPC C09D133/04 C09D133/10 C09D5/00 

FIELD: varnish-and-paint industry.

SUBSTANCE: invention relates to area of working enamels for protective-decorative coatings for metallic surfaces, parts of machines and instruments used under indoor and outdoor conditions, and also in corrosive media. Acrylic lacquer composition is described, which contains, as film-forming material, 48-52% toluene solution of butyl acrylate/styrene/methacrylic acid copolymer with proportions of components (37.8-38.8):(58.5-59.5):2.7, respectively, crystalline calcium carbonate as filler, toluene and butyl acetate as solvent, organic derivative of montmorillonite "Bentone SD-2" as thickener, mixture of natural phospholipids "vegetable lecithin" or "Soy lecithin Nalec 10-F" as dispersant, and dibutyl phthalate as plasticizer, all components at specified proportions.

EFFECT: lowered film hardness characteristics, increased abrasion resistance, and improved coating luster factor value.

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