Detergent compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/395 (2006.01) C11D 1/83 (2006.01) C11D 3/08 (2006.01) C11D 3/12 (2006.01) C11D 3/39 (2006.01) C11D 11/00 (2006.01) C11D 17/06 (2006.01) C11D 1/14 (2006.01) C11D 1/72 (2006.01)

Patent

CA 2087308

A bleaching particulate detergent composition of high bulk density (at least 700 g/l) comprises one or more detergent-active compounds, one or more detergency builders including a specific alkali metal aluminosilicate - maximum aluminium zeolite P (zeolite MAP - and a bleach system comprising a peroxy bleach compound and a bleach precursor. Use of zeolite MAP in place of conventional zeolite 4A in this high bulk density composition improves significantly the storage stability of the bleach precursor.

Une composition détergente de blanchiment sous forme particulaire, de poids volumique apparent élevé (au moins 700 g/L), comprend un ou plusieurs composés détergents, un ou plusieurs adjuvants, y compris un aluminosilicate de métal alcalin spécifique - une zéolite P avec le maximum d'aluminium (zéolite MAP) - et un système de blanchiment renfermant un composé de blanchiment à base de peroxyde et un précurseur de blanchiment. L'utilisation d'une zéolite MAP à la place d'une zéolite classique 4A dans cette composition à poids volumique apparent élevé améliore de façon significative la durée de conservation du précurseur de blanchiment.

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