Detergent formulations for machine dishwashing comprising...

C - Chemistry – Metallurgy – 11 – D

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Details

C11D 3/33 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2620240

The invention relates to a phosphate-free cleaning formulation for machine dishwashing, comprising as components: a) 1 to 20% by weight of copolymers of a1) 50 to 93 mol% acrylic acid and/or of a water-soluble salt of acrylic acid, a2) 5 to 30 mol% of methacrylic acid and/or of a water-soluble salt of methacrylic acid and a3) 2 to 20 mol% of at least one nonionic monomer of the formula (I), b) 1 to 50% by weight of complexing agents chosen from the group consisting of glycine-N,N-diacetic acid derivatives and glutamic acid-N,N- diacetic acid and salts thereof, c) 1 to 15% by weight of low-foaming nonionic surfactants, d) 0 to 30% by weight of bleaches and optionally bleach activators, e) 0 to 60% by weight of further builders, f) 0 to 8% by weight of enzymes, g) 0 to 50% by weight of one or more further additives, such as anionic or zwitterionic surfactants, bleach catalysts, alkali carriers, corrosion inhibitors, antifoams, dyes, fragrances, fillers, organic solvents and water, where the sum of components a) to g) is 100% by weight.

La présente invention concerne une préparation détergente sans phosphate pour le lavage en lave-vaisselle, dont les composants sont : a) de 1 à 20 % en poids de copolymères choisis parmi a1) de 50 à 93 % molaire d'acide acrylique et/ou d'un sel d'acide acrylique hydrosoluble, a2) de 5 à 30 % molaire d'acide méthacrylique et/ou d'un sel d'acide méthacrylique hydrosoluble et a3) de 2 à 20 % molaire d'au moins un monomère non ionique de formule (I) b) de 1 à 50 % en poids d'agents complexants choisis parmi des dérivés d'acide glycine-N,N-diacétique, de l'acide N,N-diacétique d'acide glutamique et des sels de ceux-ci, c) de 1 à 15 % en poids d'agents tensioactifs non ioniques faiblement moussants, d) de 0 à 30 % en poids d'agents de blanchiment et éventuellement d'activateurs de blanchiment, e) de 0 à 60 % en poids d'autres adjuvants, f) de 0 à 8 % en poids d'enzymes, g) de 0 à 50 % en poids d'un ou de plusieurs autres additifs tels que des agents tensioactifs anioniques ou zwitterioniques, des catalyseurs de blanchiment, des supports alcalins, des inhibiteurs de corrosion, des agents antimousse, des colorants, des parfums, des charges, des solvants organiques et de l'eau, la somme des composants a) à g) s'élevant à 100 % en poids.

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