A surfactant-containing compact detergent

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 7/06 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 3/30 (2006.01) C11D 7/26 (2006.01) C11D 7/32 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2266068

To obtain a compact cleaner for industrial dishwashers highly alkaline, alkali hydroxide based detergents are prepared. Said detergents have the combined advantages of powders and liquids on the one hand, and of pellets and molten solidified blocks on the other hand and also present controlled variable stability during production and storage. This is achieved when, in order to obtain increased viscosity, aqueous lye is mixed with a compound having formula (I): HOCH2CH(R1)OR2 and/or (II): HOCH2CH(R8)3-xNHx, and solid alkal i hydroxide, preferably potassium or sodium hydroxide, more preferably sodium hydroxide and/or surfactants and/or paraffin oil and/or polyhydroxy compounds, preferably glycerol, and/or builder components and/or foam inhibitors are subsequently added.

Pour obtenir un produit de nettoyage compact pour machines à laver la vaisselle industrielle, il faut préparer des agents de nettoyage hautement alcalins à base d'hydroxyde alcalin qui combinent, d'une part, les avantages offerts par les poudres et les liquides et, d'autre part, les avantages offerts par les comprimés et les blocs de matière fondue solidifiée, et qui présentent une résistance qui varie de manière contrôlée lors de la fabrication et du stockage. Pour atteindre cet objectif, on mélange, afin d'obtenir une viscosité élevée, une lessive alcaline aqueuse avec un composé de la formule (I): HOCH¿2?CH(R?1¿)OR?2¿, et/ou un composé de la formule (II): HOCH¿2?CH(R?8¿)¿3-x?NH¿x?, et l'on ajoute ensuite de l'hydroxyde alcalin solide, de préférence de l'hydroxyde de potassium ou de sodium, idéalement de l'hydroxyde de sodium et/ou des tensioactifs et/ou de l'huile de paraffine, et/ou des composés polyhydroxy, de préférence de la glycérine, et/ou des adjuvants et/ou des inhibiteurs de mousse.

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