C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/37 (2006.01) C11D 3/00 (2006.01) C11D 3/12 (2006.01) C11D 3/37 (2006.01) C11D 11/00 (2006.01) C11D 17/06 (2006.01)
Patent
CA 2617118
The present invention relates to a process for preparing a textile treatment auxiliary composition in particulate form, wherein the composition comprises anionic surfactant, clay and silicone, and wherein the process comprises the steps of: (i) contacting the silicone with water and a first anionic surfactant, to form an aqueous silicone mixture in emulsified form; and (ii) thereafter contacting the aqueous silicone mixture with the clay, a second anionic surfactant and optionally additional water to form a mixture of clay and silicone; (iii) further mixing the mixture of clay and silicone; and (iv) optionally drying and optionally cooling the mixture formed in step (iii).
La présente invention concerne un procédé de préparation d'une composition d'adjuvant de traitement pour les textiles sous forme particulaire, ladite composition comprenant un tensioactif anionique, de l'argile et de la silicone. Le procédé de préparation comprend les étapes suivantes et se déroule comme suit: (i) on met en contact la silicone avec de l'eau et un premier tensioactif anionique, pour former un mélange de silicone aqueuse sous forme d'émulsion; puis (ii) on met ensuite en contact le mélange de silicone aqueuse avec l'argile, un deuxième tensioactif anionique et éventuellement de l'eau supplémentaire pour former un mélange d'argile et de silicone; (iii) enfin, on homogénéise le mélange d'argile et de silicone; et (iv) facultativement on déshydrate et facultativement on refroidit le mélange formé dans l'étape (iii).
Dodd Malcolm Mcclaren
Sayers Edward
Kirby Eades Gale Baker
The Procter & Gamble Company
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