BIOCIDAL COMPOSITION AND METHOD FOR ITS PREPARATION Russian patent published in 2022 - IPC C09D5/14 C01G9/02 B82B1/00 B82B3/00 

FIELD: bactericides.

SUBSTANCE: group of inventions relates to biocidal compositions for use as an antibacterial component in paints, polymer materials. A biocidal composition consisting of zinc oxide nanoparticles homogeneously distributed in a solvent and a stabilizer is disclosed, characterized in that zinc oxide nanoparticles with an average size of 80±10 nm and a specific surface area of 10±2 m²/g are used, and the stabilizer is selected from a group including polycarboxylate, polyvinylpyrrolidone, 2-amino-2-methyl-1-propanol, 8-oxyquinoline, phenanthroline, dipyridyl or a combination thereof, with the following ratio of components, wt. %: ZnO nanoparticles 30-50; stabilizer of nanoparticles 2.0-4.0; solvent 46-68. The method for obtaining the specified composition is also disclosed.

EFFECT: group of inventions provides an increase in the stability of the biocidal composition during transportation, storage and use.

4 cl, 2 dwg, 1 tbl, 7 ex