Detergent compositions containing nonionic surfactant granule

C - Chemistry – Metallurgy – 11 – D

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C11D 3/12 (2006.01) C11D 11/00 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01)

Patent

CA 2291638

A particulate detergent composition is composed of at least two different granular components, one of which is a nonionic-surfactant-containing granular component characterised in that it comprises more than 55 % by weight of nonionic surfactant, at least 5 % by weight of silica having an oil absorption capacity of at least 1.0 ml/g and, optionally, less than 10 % by weight of aluminosilicate. Preferably, the composition also contains a spray-dried or agglomerated detergent base powder containing surfactant and builder, or a granule containing a high concentration of anionic surfactant, a builder granule, or any combination of these.

Une composition détergente granulaire particulaire se compose d'au moins deux composants granulaires différents, dont un est un composant granulaire contenant un tensioactif non ionique, qui se caractérise en ce qu'il comprend plus de 55 % en poids de tensioactif non ionique, d'au moins 5 % en poids de silice ayant une capacité d'absorption d'huile d'au moins 1,0 ml/g, et éventuellement, de moins de 10 % en poids d'aluminosilicate. La composition comprend également, de préférence, une poudre de base détergente séchée par atomisation ou agglomérée contenant un tensioactif et un adjuvant, ou une granule à teneur élevée en tensioactif anionique, une granule d'adjuvant ou une combinaison de ceux-ci quelle qu'elle soit.

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