WATER DISPERSION COMPOSITION Russian patent published in 2008 - IPC C09D5/02 C09D133/04 C09D133/08 

FIELD: varnish-and-paint industry.

SUBSTANCE: invention relates to lacquer materials, in particular to primers intended grounding and impregnating building font walls and interiors, including those with increased moisture content, concrete, brick, stone, and plaster surfaces as well as gypsum-cardboard and particle boards, and wood surface before being painted. Water dispersion composition of invention including film-forming agent (48-52% aqueous acrylstyrene dispersion), thickener (methylhydroxyethylcellulose "Tilosa MN 30000 VP-2"), preservative (solution of isothiazalinone derivatives: 1,2-hydroxy-5,8,11-trioxadodecane, 1,3-bis(hydroxymethyl)urea, 1,6-hydroxy-2,5-dioxahexae "Parmetol A-26") and synergetic mixture of aromatic and heterocyclic algicidal and fungicidal active additives "Parmetol DF 19"), antifoaming additive (tributylphosphate and mineral oil constituted by mixture of unsaturated fatty acid ester with hydrophobic silica "Foameks K-3"), medium pH regulator (5% aqueous ammonia), water as solvent, and additionally ethyl alcohol, dispersing additive (sodium polyphosphate), surfactant (polyoxyethylated alkylphenol ether OP-10), pigment (titanium dioxide), extender (chalk and talk and additionally calcium carbonate), all in specified proportions.

EFFECT: enhanced spreading capacity and whiteness.

2 tbl