TITANIUM-FREE ACTIVATION AGENTS, PROCEDURE FOR THEIR OBTAINING AND USE FOR THE ACTIVATION OF METALLIC SURFACES BEFORE PHOSPHATE TO ZINC.

摘要

THE PATENT AFFECTS A MEDIUM WITHOUT TITANIUM FOR THE ACTIVATION OF METAL SURFACES OF IRON OR STEEL, ZINC OR GALVANIZED STEEL, AS WELL AS ALUMINUM OR ALUMINUM STEEL BEFORE THE PHOSPHATATION OF THE SURFACES MENTIONED WITH PHOSPHATATION BATHS THAT CONTAIN CONTAINING BEFORE A LOW CYMPHOSPHAT CALL. FURTHER, THE PRESENT PATENT AFFECTS A PROCESS FOR THE PRODUCTION OF ACTIVATORS WITHOUT TITANIUM BY REACTION OF ALCALIMETAL PHOSPHATES WITH COMPLEXATORS AND THE APPLICATION OF ACTIVATORS WITHOUT TITANIUM FOR THE ACTIVATION OF METALLIC SURFACES BEFORE A CINPHYPHOSPHATATION.