COPPER CORROSION INHIBITORS AND THEIR USE IN COOLING WATER SYSTEMS

A method of providing a durable, long lasting chemically resistant, pH tolerant, corrosion inhibiting film on the surfact of copper or copper containing metal in contact with an aggressive aqueous system is disclosed. The copper or copper containing metal generally composes a structure of dynamic co...

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Bibliographische Detailangaben
1. Verfasser:	HOLLANDER, ORIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES 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 DYES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS 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 NATURAL RESINS NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PAINTS POLISHES TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A method of providing a durable, long lasting chemically resistant, pH tolerant, corrosion inhibiting film on the surfact of copper or copper containing metal in contact with an aggressive aqueous system is disclosed. The copper or copper containing metal generally composes a structure of dynamic cooling water system, and protection is afforded thereto by intermittently feeding to the aqueous medium a sufficient amount of a C3 to C6 alkyl substituted benzotriazole.