Metal processing liquid for the neutral ph range

A metal processing liquid with a pH value ranging from 6-9, containing a combination of one or several carboxylic acids and one or several nitrogen compounds selected from organic amines or heterocycles containing nitrogen, whereby the nitrogen compounds have a pKS value for at least one proteolysis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SIGRID FRIESE, WILTRUD KLOSE, JURGEN GEKE, ANDREAS RATHJENS
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 MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FUELS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	A metal processing liquid with a pH value ranging from 6-9, containing a combination of one or several carboxylic acids and one or several nitrogen compounds selected from organic amines or heterocycles containing nitrogen, whereby the nitrogen compounds have a pKS value for at least one proteolysis step ranging from 6-9, with a weight ratio of 10:1 to 10:20.