Production of anionic surfactant granules by in situ...

Details Production of anionic surfactant granules by in situ... Production of anionic surfactant granules by in situ...

C - Chemistry, Metallurgy

11

D

C11D 17/06 (2006.01) C11D 1/14 (2006.01) C11D 3/39 (2006.01) C11D 11/02 (2006.01) C11D 11/04 (2006.01)

Patent

CA 2196305

A process for producing granules of anionic surfactant, preferably PAS by in situ neutralisation of a precursor acid to form the surfactant, heating the surfactant to a temperature in excess of 130 ~C and subsequently cooling the surfactant to provide surfactant granules is disclosed. Detergent compositions containing such granules are also disclosed.

Procédé de production de granules de tensioactif anionique, de préférence du sulfate d'alkyle primaire (PAS), consistant à neutraliser in situ un acide précurseur afin de former le tensioactif, à chauffer celui-ci à une température supérieure à 130~ C, puis à le refroidir afin d'obtenir des granules tensioactifs. On décrit également des compositions détergentes contenant de tels granules.

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