RUST REFORMING AGENT

FIELD: mechanical engineering; chemical treatment of surfaces of metals; prevention of corrosion; preparation of metal surfaces for application of paints and varnishes without preliminary removal of corrosion; treatment of weld seams and oil and gas pipe lines coated with scale. ^ SUBSTANCE: propose...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NIKULIN EVGENIJ JAKOVLEVICH, RJABININ ALEKSANDR NIKOLAEVICH, MURATOV VADIM BORISOVICH, RJABININ NIKOLAJ ALEKSANDROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	FIELD: mechanical engineering; chemical treatment of surfaces of metals; prevention of corrosion; preparation of metal surfaces for application of paints and varnishes without preliminary removal of corrosion; treatment of weld seams and oil and gas pipe lines coated with scale. ^ SUBSTANCE: proposed rust reforming agent contains the following components, mass-%: arthophosphoric acid (85%), 45-65; ferro-prussiate -potassium ferrocyanide, 3.0-4.0; aluminum nitrate, 2.0-3.0; zinc nitrate, 0.5-1.5 and fluorocarbon compound, 0.01-0.1 of total formula where RF=6F13-, C8F17CO-, CF3(3F6)3-12-CF(CF3)-, at n=2,3,4 at m=0-7 or and water, up to 100%. Protective film may be used as primer for application of paints and varnishes. ^ EFFECT: enhanced durability of film formed on metal excluding further corrosion due to protection effect arising between film and parent metal. ^ 1 tbl