C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/14 (2006.01) C11D 1/83 (2006.01) C11D 11/00 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01) C11D 1/72 (2006.01)
Patent
CA 2248160
Secondary (2, 3) alkyl sulfate surfactants are admixed with a deagglomerating agent such as zeolite or silica. The resulting powder is agglomerated with a nonionic surfactant, and formed into particles. The particles are then coated with a free-flow aid. SAS particles treated in this manner have improved solubility characteristics for use in laundry detergents.
Cette invention concerne des tensioactifs à base sulfate (2,3) alkyle secondaire (SAS), auxquels on ajoute un agent désagglomérant, tel que de la zéolite ou de la silice. La poudre ainsi obtenue est ensuite agglomérée à l'aide d'un tensioactif non ionique puis mise sous forme de particules, après quoi les particules sont enduites d'un agent facilitant leur écoulement fluide. Les particules de SAS ainsi traitées possèdent de meilleures caractéristiques de solubilité en vue de leur utilisation dans des détergents blanchissants.
Ebihara Fukuji
Kazuta Takashi
Kirby Eades Gale Baker
The Procter & Gamble Company
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