Detergent compositions

Details Detergent compositions Detergent compositions

C - Chemistry, Metallurgy

11

D

C11D 17/00 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01)

Patent

CA 2053434

A tablet of compressed particulate detergent composition suitable for washing fabrics in a washing machine comprises a detergent-active compound, a detergency builder, a bleach system comprising sodium percarbonate, and optionally other detergent ingredients. The percarbonate is separated from any ingredient of the composition detrimental to its stability by segregation in a discrete region of the tablet, for example, a separate layer, optionally together with a compatible inorganic salt, for example, sodium carbonate, as diluent. Advantageously the diluent is spray-dried and also contains a polymeric binder.

Composition pour pastille de particules détergentes comprimées, convenant au lavage des tissus dans une machine à laver; cette composition renferme un composé détergent, un adjuvant pour détergent, un système de blanchiment à base de percarbonate de sodium et, facultativement, d'autres ingrédients détergents. Le percarbonate est séparé de tout ingrédient de la composition pouvant nuire à sa stabilité, par ségrégation dans une région discrète de la pastille, par exemple sous forme de couche distincte, accompagné alors facultativement d'un sel minéral compatible, comme le carbonate de sodium, jouant le rôle de diluant. On privilégie l'emploi d'un diluant de type pulvérisation à sec, renfermant un liant polymérique.

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