Detergent component or composition with protective coating

Details Detergent component or composition with protective coating Detergent component or composition with protective coating

C - Chemistry, Metallurgy

11

D

C11D 17/06 (2006.01) C11D 3/12 (2006.01) C11D 3/22 (2006.01) C11D 11/00 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2260933

The present invention relates the application of certain coatings to particulate detergent components or compositions to improve free-flow properties, improve dispensing and avoid dust formation. This is achieved by a two-step coating process, wherein the first coating step comprises the process of mixing the detergent composition or component with a finely divided particulate material which is preferably aluminosilicate, and the second coating step comprises the process of applying a coating agent. Suitable coating agents comprise from 5 % to 95 % by weight of cellulosic polymer; from 5 % to 95 %, by weight of sugar; and optionally, from 0 % to 30 % by weight of plasticizer.

Cette invention se rapporte à l'application de certains enrobages à des compositions ou des composants détergents sous forme particulaire, dans le but d'améliorer les propriétés d'écoulement libre du produit, d'en améliorer la distribution et d'éviter la formation de poussière. On réalise ces objectifs grâce à un procédé d'enrobage en deux phases, la première phase d'enrobage consistant à mélanger la composition ou le composant détergent avec un matériau particulaire finement divisé, qui est de préférence de l'aluminosilicate, et la seconde phase d'enrobage consistant à appliquer un agent d'enrobage. Les agents d'enrobage appropriés renferment de 5 à 95 % en poids d'un polymère cellulosique, de 5 à 95 % en poids de sucre, et, éventuellement, de 0 à 30 % en poids d'un plastifiant.

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