Acidic cleaning compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/02 (2006.01) C11D 1/66 (2006.01) C11D 3/20 (2006.01) C11D 11/00 (2006.01)

Patent

CA 2625073

A composition comprising a mixing product of: (i) a first acid having a pKa of less than 3 , in an amount by weight of 1 - 10%, (ii) a second acid having a pKa of greater than 3, in an amount by weight of 1-10%, (iii) a nonionic surfactant in an amount by weight of 1-7%; and (vi) water; wherein the composition has a pH of less than 2.5. The composition can be used for the removal of grease, lime scale, soap scum, and rust on hard surfaces.

La présente invention concerne une préparation comprenant le produit du mélange de : (i) un premier acide de pKa inférieur à 3, à une teneur en poids comprise entre 1 et 10 %, (ii) un second acide de pKa supérieur à 3, à une teneur en poids comprise entre 1 et 10 %, (iii) un tensioactif non ionique à une teneur en poids comprise entre 1 et 7 % ; et (vi) de l'eau ; la préparation présentant un pH inférieur à 2,5. La préparation peut être employée pour éliminer les graisses, le tartre, les traces de savon et la rouille présents sur des surfaces dures.

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