THE COMPOSITION FOR PREVENTING CORROSION

A corrosion inhibitor is provided to inhibit the activation of a corrosion layer by forming a passivation layer by the chemical reaction with a metal surface corrosion layer. A corrosion inhibitor comprises 55-65 wt% of orthophosphoric acid (44% H3PO4); 5-7 wt% of zinc nitrate (Zn(NO3)2.H2O); 6-8 wt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YOON, KYONG YOEN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A corrosion inhibitor is provided to inhibit the activation of a corrosion layer by forming a passivation layer by the chemical reaction with a metal surface corrosion layer. A corrosion inhibitor comprises 55-65 wt% of orthophosphoric acid (44% H3PO4); 5-7 wt% of zinc nitrate (Zn(NO3)2.H2O); 6-8 wt% of aluminum nitrate (Al(NO3)3.9H2O); 4-5 wt% of potassium ferrocyanide (K4Fe(CN)6.3H2); 0.03-0.05 wt% of a nonionic surfactant; and the balance of desalted water. Preferably the nonionic surfactant comprises 86 % of polymer fluorochemical active; 12 % of nonfluorochemical active; and 2 % of a co-solvent.