Detergent compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 17/00 (2006.01) C11D 1/14 (2006.01) C11D 3/06 (2006.01) C11D 3/12 (2006.01)

Patent

CA 2406776

A detergent tablet or region thereof of compacted particulate compacted from a particulate composition comprising;a) 25% to 100%wt of the composition of base particles, comprising by weight of themselves:from 15% to 40%wt organic surfactant comprising either (i) no more than 5%wt primary alkyl sulphate or (ii) comprising alkylbenzene sulphonate, from 20% to 60%wt aluminosilicate detergency builder, andfrom 0 to 60%wt other ingredients, andb) 0 to 75%wt of the composition of other materials mixed with these particles, andwherein the composition comprises from 5% to 60%wt of the composition of sodium tripolyphosphate having at least 50% by weight thereof in the phase I form. The tablets have a good combination of strength and disintegration properties.

L'invention concerne une pastille détergente ou une partie de cette dernière faite de particules compactées à partir d'une composition particulaire renfermant a) 25 % à 100 % en pds de la composition de particules de base comprenant elles-mêmes 15 % à 40 % en pds d'un tensio-actif organique qui contient (i) pas plus de 5 % en pds d'un sulphate d'alkyle primaire ou (ii) du sulphonate d'alkylbenzène, 20 % à 60 % en pds d'un adjuvant détergent d'aluminosilicate et 0 % à 60 % d'autres ingrédients, et b) 0 à 75 % en pds de la composition d'autres matières mélangées à ces particules. La composition comprend en outre 5 à 60 % de tripolyphosphate de sodium dont au moins 50 % en pds en phase I. Les pastilles présentent une bonne combinaison de propriétés de résistance et de désintégration.

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