BIOCIDAL COATING COMPOSITION Russian patent published in 2016 - IPC C09D5/14 

FIELD: chemistry.

SUBSTANCE: invention relates to biocidal compositions for producing coatings which can be used in making coatings with biocidal properties, for example, polymers, glass, metals, paper, construction materials, etc. Biocidal composition for coating consists of a solvent, a water-soluble polyelectrolyte (PE) and salt, solvent is water, PE is a charged PE, which is a product of reaction of water-containing solutions of cationic PE and anionic PE taken in a ratio at which content of charged links of anionic PE ranges from 3 to 30% of content of charged links of cationic PE, and salt is at least one water-soluble salt selected from a group comprising alkali metal or ammonium salt, or a mixture of said salt with calcium or magnesium salt.

EFFECT: invention increases 3-5 times biocidal activity of composition compared with activity of known composition.

1 cl, 1 tbl, 7 ex