C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/00 (2006.01) C11D 1/83 (2006.01) C11D 3/37 (2006.01) C11D 11/00 (2006.01)
Patent
CA 2208675
The invention relates to a process for the manufacture of detergent compositions or components from a surfactant paste which is substantially in the solid phase at temperatures of 25 ~C and below comprising the steps of: (i) mixing the surfactant paste at a temperature above its softening point, the surfactant paste comprising at least 50 % by weight of nonionic surfactant; (ii) forming the molten surfactant paste into drops on a cooling surface; (iii) forming solid pastilles by cooling the drops of molten surfactant paste; and (iv) removing solidified pastilles from the cooling surface. The invention also relates to pastillated granulated detergent compositions or components made by the process.
L'invention concerne un procédé de fabrication de compositions ou de composants détergents à partir d'une pâte tensioactive sensiblement en phase solide à des températures égales ou inférieueres à 25 ~C. Ce procédé consiste à: (i) mélanger la pâte tensioactive à une température supérieure à son point de ramollissement, laquelle pâte comprend au moins 50 % en poids de tensioactif non-ionique; (ii) former à partir de la pâte tensioactive en fusion, des gouttes sur une surface de refroidissement; (iii) former des pastilles solides par refroidissement des gouttes de pâte tensioactive en fusion; et (iv) retirer les pastilles solidifiées de la surface de refroidissement. On décrit également des compositions ou des composants détergents granulaires en pastilles fabriqués selon ledit procédé.
Donoghue Scott John
Smith David John
Kirby Eades Gale Baker
The Procter & Gamble Company
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