C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/831 (2006.01) C11D 1/72 (2006.01) C11D 3/10 (2006.01) C11D 3/20 (2006.01) C11D 3/37 (2006.01) C11D 11/00 (2006.01) C11D 17/06 (2006.01)
Patent
CA 2342938
A particulate free-flowing laundry detergent composition comprises at least two different granular components: a granular component containing anionic surfactant, and a granular nonionic surfactant component comprising from 20 to 30 wt.% of nonionic surfactant on a non-spray-dried particulate carrier material comprising sodium sesquicarbonate. The nonionic surfactant component is preferably prepared by in-situ neutralisation of sodium carbonate with a water-soluble organic acid in the presence of the nonionic surfactant, in a high- or moderate-shear mixer.
La présente invention concerne une composition détergente de blanchissage particulaire s'écoulant librement, contenant au moins deux composants granulaires différents: un composant granulaire contenant un tensio-actif anionique, et un composant de tensio-actif non ionique granulaire contenant entre 20 et 30 % en poids de tensio-actif non ionique dans un matériau particulaire non séché par atomisation à base de sesquicarbonate de sodium. De préférence, on prépare le tensio-actif non ionique en neutralisant in situ du carbonate de sodium avec un acide organique hydrosoluble en présence du tensio-actif non ionique, dans un mélangeur à cisaillement élevé ou modéré.
Emery William Derek
Instone Terry
Kohlus Reinhard
Langeveld Johannes Hendrikus
Liem Seeng Djiang
Gowling Lafleur Henderson Llp
Plc Unilever
The Sun Products Corporation
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