Cleaner-composition for metallic surfaces

Details Cleaner-composition for metallic surfaces Cleaner-composition for metallic surfaces

C - Chemistry, Metallurgy

11

D

C11D 1/72 (2006.01) C11D 1/835 (2006.01) C23G 1/14 (2006.01)

Patent

CA 2702414

The invention relates to an aqueous alkaline cleaning composition for cleaning metal surfaces, containing at least one non-ionic surfactant having demulsifying action and based on ethoxylated alkyl alcohols having one or two alkyl groups, each comprising an average of 7.5 to 16.5 carbon atoms, and an average of 5.5 to 18.5 EO groups per alkyl group, and comprising an end group closure or two end group closures, of which at least one end group closure is an isopropyl, isobutyl, tertiary butyl and/or benzyl group, wherein the surfactant is not propoxylated.

La présente invention concerne une composition nettoyante alcaline aqueuse destinée à nettoyer les surfaces métalliques, qui contient au moins un tensioactif non ionique désémulsifiant à base d'alcools alkyliques éthoxylés ayant un ou deux groupes alkyles avec en moyenne respectivement 7,5 à 16,5 atomes de carbone et avec en moyenne 5,5 à 18,5 groupes EO par groupe alkyle ainsi qu'un groupe terminal coiffant ou deux groupes terminaux coiffants parmi lesquels au moins un groupe terminal coiffant est un groupe isopropyle, isobutyle, butyle tertiaire et/ou benzyle, le tensioactif n'étant pas propoxylé.

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