Anionic surfactant particles for use in laundry detergent...

Details Anionic surfactant particles for use in laundry detergent... Anionic surfactant particles for use in laundry detergent...

C - Chemistry, Metallurgy

11

D

C11D 17/06 (2006.01) C11D 1/14 (2006.01) C11D 1/22 (2006.01) C11D 1/37 (2006.01) C11D 11/04 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2507577

An anionic surfactant particle for use in laundry detergent compositions has an anionic surfactant content of at least 95 wt% of anionic surfactant and comprises linear alkylbenzene sulphonate (LAS) and primary alcohol sulphate (PAS) in a weight ratio of from 5:1 to 1:3. The particle, which is preferably in the form of a flake, is of low hygroscopicity and dissolves rapidly in water.

L'invention concerne une particule tensioactive anionique s'utilisant dans des compositions de détergent à lessive, qui présente une teneur en tensioactif anionique égale à au moins 95 % en poids du tensioactif anionique, et comprend un sulfonate d'alkylbenzène linéaire (LAS) et un sulfate d'alcool primaire (PAS) selon un rapport en poids compris entre 5:1 et 1:3. Cette particule, qui est de préférence sous forme de flocon, présente une faible capacité hygrométrique et se dissout rapidement dans l'eau.

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