DETERGENT FOR CONTACTLESS CAR WASHING Russian patent published in 2014 - IPC C11D1/83 C11D3/04 C11D3/37 C11D3/20 

FIELD: chemistry.

SUBSTANCE: described is a detergent which contains: an alkali metal hydroxide, sodium metasilicate, dye and water, and additionally oxyethylene diphosphonic acid, a tetrasodium salt of oxyethylene diphosphonic acid, a salt of ethylenediaminotetraacetic acid, citric acid, sodium silicate, a sodium salt of a copolymer of acrylic acid and maleic acid, alkylated polyglycoside with length of the alkyl chain of C₆-C₁₂, a mixture of anionic surfactants, with the following ratio of components, wt %: alkali metal hydroxide 4-12%, oxyethylene diphosphonic acid 0-8%, tetrasodium salt of oxyethylene diphosphonic acid 0-8%, salt of ethylenediaminotetraacetic acid 1-3%, citric acid 2-10%, sodium silicate 0,5-3%, sodium salt of a copolymer of acrylic acid and maleic acid 0-1%, alkylated polyglycoside with length of the alkyl chain of C₆-C₁₂, with respect to pure substance 1-6%, mixture of anionic surfactants, which includes a compound of the type RO-(CHR'CHR'-O)_nSO₃Na, where R is a linear or branched saturated or unsaturated alkyl substitute with backbone chain length of C₁₀-C₁₈, R'=H, CH₃, n ranges from 0 to 4 and a compound of the type R"C₆H₄SO₃X, where R" is a linear or branched saturated or unsaturated alkyl substitute with backbone chain length of C₆-C₁₂, X-Na, K, H with respect to pure substance 2-10%, dye 0.05-0.5%, water - the balance.

EFFECT: improved quality of contactless washing due to higher foaming capacity.

6 cl, 3 ex