BIOCIDAL PAINT "BIOKRAPAG" Russian patent published in 1999 - IPC

FIELD: paint and varnish industry, more particularly application of coatings onto metallic and non-metallic (concrete, brick and ceramic) surfaces of products and structures. SUBSTANCE: biocidal paint comprises film-forming agent as paint material and biocidal additive. Biocidal additive comprises polyhexamethylene quanidine base or salt or mixture of polyhexamethylene quanidine base or salt with dimethylalkylbenzyl ammonium chloride at ratio of 1-10:1 thereof, ratio of components being as follows, wt %: film-forming agent as paint material, 93-97; biocidal additive, 3-7. EFFECT: improved biocidal properties of paint, reduced toxic properties and higher stability thereof. 6 cl, 4 tbl