CONCENTRATE FOR USE IN CORROSION RESISTANT TREATMENT OF METAL SURFACES

The underlying invention consists in an acidic aqueous concentrate that is based on a mixture of water-soluble compounds of the elements Zr and/or Ti, organosilanes and dispersed silicates suitable for the preparation of a conversion treatment solution. The invention thereby establishes a shelf stab...

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1. Verfasser: WAN, ZONGYUE
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The underlying invention consists in an acidic aqueous concentrate that is based on a mixture of water-soluble compounds of the elements Zr and/or Ti, organosilanes and dispersed silicates suitable for the preparation of a conversion treatment solution. The invention thereby establishes a shelf stable (1K) product useful for the surface treatment industry. Such a (1K) product has not only the advantage of being easily converted into a working composition through dilution with water, but the working compositions themselves that originate from the (1K) product do confer superior corrosion resistance to metal substrates when used in a process for the conversion coating treatment. A conversion treatment solution obtainable from the acidic aqueous concentrate as well as a process for the corrosion-resistant treatment of metal surfaces are thus further objects of this invention.