High molecular weight polyacrylic acids as corrosion inhibitors in an alkaline hypochlorite aqueous composition and method thereof

An aqueous composition having a pH of at least 11 and comprising 2-15 wt% of a metal hypochlorite salt, and 0.2 to 4 wt% of a polyacrylic acid having a weight average molecular weight of at least 40,000.

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Bibliographische Detailangaben
1. Verfasser:	Shulman, Jan E
Format:	Patent
Sprache:	eng
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DETERGENT COMPOSITIONS DETERGENTS DIFFUSION TREATMENT OF METALLIC MATERIAL FATTY ACIDS THEREFROM INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL 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 RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	An aqueous composition having a pH of at least 11 and comprising 2-15 wt% of a metal hypochlorite salt, and 0.2 to 4 wt% of a polyacrylic acid having a weight average molecular weight of at least 40,000.