COMPOSITION FOR PREPARING ANTIMICROBIAL COATING Russian patent published in 2015 - IPC A61L2/16 A61L101/46 B82B1/00 

FIELD: medicine.

SUBSTANCE: what is described is a composition for an antimicrobial coating containing inorganic substance nanoparticles, an active substance, a binding agent and a solvent. As the inorganic substance, the composition contains silicone dioxide; the active substance is presented by a mixture of quaternary ammonium compound and chlorhexidine; the solvent is a mixture of ethyl cellosolve and butyl cellosolve; the binding agent is a mixture of polymethylphenylsiloxane resin and butyl/methyl methacrylate copolymer in the following proportions, wt %: butyl/methyl methacrylate copolymer 1.70-10.0, polymethylphenylsiloxane resin 5.0-20.0, silicone dioxide 0.5-3.0, chlorhexidine (20% aqueous) 3.0-8.0, quaternary ammonium compound 0.5-3.0, ethyl cellosolve 20.0-50.0, butyl cellosolve to 100%.

EFFECT: providing the water-stability of the long-action antimicrobial coating, ecological safety and applicability for porous surface finish.

4 cl, 5 tbl, 1 ex