Detergent compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 17/06 (2006.01) C11D 1/14 (2006.01) C11D 1/22 (2006.01) C11D 1/37 (2006.01) C11D 1/83 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/12 (2006.01) C11D 9/38 (2006.01) C11D 10/04 (2006.01)

Patent

CA 2043542

For optimum detergency, particulate detergent compositions built with aluminosilicate (25-45 wt%), and containing an anionic surfactant component (5-35 wt%) consisting of primary alcohol sulphate (PAS) (10-100 wt%) optionally with linear alkylbenzene sulphonate (LAS) (0-90 wt%), contain 0-20 wt% sodium carbonate depending on the relative proportions of PAS and LAS present: 0-10 wt% carbonate for 10-60 wt% PAS/40-90 wt% LAS, 0-20 wt% carbonate for 60-80 wt% PAS/20-40 wt% LAS, and 10-20 wt% carbonate for 80-100 wt% PAS/0-20 wt% LAS.

Pour un pouvoir détergent optimal, des compositions détergentes particulaires obtenues à l'aide d'aluminosilicate (25-45 % en poids) et contenant un surfactif anionique (5-35 % en poids) à base d'un sulfate d'alcool primaire (SAP) (10-100 % en poids) et, facultativement, d'un sulfonate d'alkylbenzène linéaire (SAL) (0-90 % en poids), renferme 0-20 % en poids de carbonate de sodium, selon les proportions relatives de SAP et de SAL présentes : 0-10 % en poids de carbonate pour 10-60 % en poids de SAP/40-90 % en poids de SAL, 0-20 % en poids de carbonate pour 60-80 % en poids de SAP/20-40 % en poids de SAL, et 10-20 % en poids de carbonate pour 80-100 % en poids de SAP/0-20 % en poids de SAL.

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