FIELD: chemistry.
SUBSTANCE: invention relates to inorganic film materials and can be used as a coating for food forms and/or medical instruments. Coating consists of a film of tin oxides of non-stoichiometric composition, obtained by spraying on a preheated to 400–450 °C glassy or metallic surface of an alcohol solution of stannous (IV) chloride. Coating further comprises, as a fungicidal component, a copper cation (Cu2+) introduced into the spray solution in the form of copper (II) chloride with the following content of the ingredients (wt. %): SnCl4⋅5H2O (40.0–50.0), CuCl2⋅2H2O (0.5–1.0), ethyl alcohol (48.0–60.0).
EFFECT: reduction of risk of formation of mold fungi is provided.
1 cl, 1 tbl
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Authors
Dates
2018-09-18—Published
2017-06-26—Filed