Bleaching composition comprising substantially linear...

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/395 (2006.01) C11D 1/72 (2006.01) C11D 1/722 (2006.01) C11D 3/39 (2006.01) D06L 3/02 (2006.01)

Patent

CA 2358867

The present invention relates to a liquid bleaching composition comprising a bleach and a substantially linear nonionic sufactant, whereby said substantially linear nonionic surfactant has the general formula: R-(A)x-(B)y- (c)z-O-R1, wherein: R is an even numbered C6 to C22 alkyl chain or a mixture thereof, containing at least 90 % linear alkyl chains; A is an ethoxy unit; B is a butoxy unit; C is a propoxy unit; x, y and z are independent integers of from 0 to 20; the sum of x+y+z is at least 1; and R1 is H, a C6 to C22 alkly chain or a C6 to C28 alkyl benzene chain. Furthermore, the present invention relates to the use of said substantially linear nonionic surfactant in a fabric bleaching composition comprising a bleach to treat a fabric whereby stain removal and/or bleaching benefits are provided.

L'invention concerne une composition liquide de blanchiment contenant un agent blanchissant et un tensioactif non-ionique pratiquement linéaire représenté par la formule: R-(A)¿x?-(B)¿y?-(C)¿z?-O-R¿1? dans laquelle: R représente une chaîne alkyle C¿6? à C¿22? à nombres pairs ou un de ses mélanges, contenant au moins 90 % de chaînes alkyle linéaires; A représente une unité éthoxy; B représente une unité butoxy; C représente une unité propoxy; x, y et z sont des entiers indépendants de 0 à 20; la somme de x+y+z est égale à au moins 1 et R¿1? représente H, une chaîne alkyle C¿6? à C¿22? ou un chaîne alkyle benzène C¿6? à C¿28?. Elle concerne, de plus, l'utilisation dudit tensioactif non-ionique pratiquement linéaire dans une composition de blanchiment de textiles contenant un agent blanchissant servant à traiter un textile afin de l'éclaircir ou d'en supprimer les taches.

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