C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/00 (2006.01)
Patent
CA 2551159
The invention relates to a process for making a detergent tablet, comprising the steps of: (a) providing a binder system comprising (i) a binder, and, (ii) optionally, a viscosity modifier, so that the binder system has a shear modulus value G of from 10 to 100 GPa, a phase angle value of at least 7~, and a melting point of at least 45 ~C at 100 kPa; (b) heating the binder system to above its melting point to form a molten binder system; (c) applying the molten binder system to a base powder comprising a premix of detergent components, to form a detergent composition; and (d) forming the detergent composition into tablets. The present invention is further directed to a tablet composition obtainable by such process and to the use of such a binder system or such a binder, in its molten form for improving the breakage resistance properties of a detergent tablet.
L'invention porte sur un procédé de fabrication de pastilles détergentes comportant les étapes suivantes: (a) préparer un système de liants comprenant (i) un liant, et (ii) facultativement un modificateur de viscosité, tels que ledit système présente un module de cisaillement G de 10 à 100 Gpa, un angle de phase d'au moins 7· et un point de fusion d'au moins 45 ·C sous 100 kPa, (b) chauffer ledit système au-dessus de son point de fusion, (c) appliquer le système fondu sur une poudre de base comprenant un prémélange d'éléments détergents pour former une composition détergente, et (d) former des pastilles avec la composition détergente. L'invention porte également sur la composition de pastilles obtenues au moyen dudit procédé et sur l'utilisation d'un tel système de liants ou de tels liants sous leur forme fondue pour améliorer la résistance à la rupture de pastilles détergentes.
Kirby Eades Gale Baker
The Procter & Gamble Company
LandOfFree
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