Metal surface treatment composition and process

• Main Authors: ENDO, KOETSU, TOKUYAMA, AKIO
• Format: Patent
• Language: English; French; German
• Published: 23.05.1990
• 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

Disclosed is a surface treating agent which improves the adhesive properties between a metal surface and a paint layer thereon. The surface treating agent is an acidic aqueous solution comprising zinc ion, nickel ion and phosphate ion, characterized by adding a cyclic metaphosphate thereto in the fo...