Method and solution for coatiing metal surfaces with a phosphatiing solution containing water peroxide, produced metal object and use of said object

A method for the treatment or pre-treatment of surfaces of metal objects by means of an acidic, aqueous solution containing zinc and phosphate. The phosphating solution contains between 0.1-10 g/L, zinc, 4-50 g/L phosphate calculated as PO4, between 0.03-3 g/L, of at least one guanidine compound com...

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Hauptverfasser:	SCHOENFELDER, ECKART, REIN, RUEDIGER, SCHUBACH, PETER, NITSCHKE, THOMAS, SPECHT, JUERGEN
Format:	Patent
Sprache:	eng
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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creator	SCHOENFELDER, ECKART REIN, RUEDIGER SCHUBACH, PETER NITSCHKE, THOMAS SPECHT, JUERGEN
description	A method for the treatment or pre-treatment of surfaces of metal objects by means of an acidic, aqueous solution containing zinc and phosphate. The phosphating solution contains between 0.1-10 g/L, zinc, 4-50 g/L phosphate calculated as PO4, between 0.03-3 g/L, of at least one guanidine compound comprising at least one nitro group calculated as nitroguanidine, and between 0.001-0.9 g/L hydrogen peroxide and has a temperature of less than 80° C. The corresponding acidic, aqueous composition and finished products are also disclosed.
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The phosphating solution contains between 0.1-10 g/L, zinc, 4-50 g/L phosphate calculated as PO4, between 0.03-3 g/L, of at least one guanidine compound comprising at least one nitro group calculated as nitroguanidine, and between 0.001-0.9 g/L hydrogen peroxide and has a temperature of less than 80° C. 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The phosphating solution contains between 0.1-10 g/L, zinc, 4-50 g/L phosphate calculated as PO4, between 0.03-3 g/L, of at least one guanidine compound comprising at least one nitro group calculated as nitroguanidine, and between 0.001-0.9 g/L hydrogen peroxide and has a temperature of less than 80° C. 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subjects	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
title	Method and solution for coatiing metal surfaces with a phosphatiing solution containing water peroxide, produced metal object and use of said object
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