FIELD: technological processes.
SUBSTANCE: invention relates to the field of corrosion protection machine parts, designs and structures. Inhibitor of micromycetic corrosion of St3 steel with Cu-Zn electroplated coating in a water-salt medium containing micelles of mold fungi Aspergillus niger, Phialophora fastigiata, Penicillium chrysogenum and Penicillium charlissii, is a phenothiazine derivative in the form of 2-N-phenothiazinyl-anthrahydroquinone-9,10 by the formula
or a phenothiazine derivative in the form of 2-N-phenothiazinyl anthraquinone-9,10*2-N-phenothiazinyl anthrahydroquinone-9,10 by the formula:
.
EFFECT: increase in corrosion resistance of St3 steel coated with Cu-Zn alloy to the effects of filamentous fungi Aspergillus niger, Phialophora fastigiata, Penicillium chrysogenum and Penicillium charlissii.
3 cl, 4 tbl, 6 dwg
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