C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/04 (2006.01) C11D 3/00 (2006.01) C11D 3/37 (2006.01) C11D 3/40 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2483649
A method for manufacturing a laundry additive article wherein a polymerizable or crosslinkable dye or particulate soil absorber is applied to one face of a substrate web and a cross-linker is separately applied to the coating of the dye or particulate soil absorber to cross-link the dye or particulate soil absorber on the substrate such that the dye or particulate soil absorber does not dissolve in the wash water. In accordance with one embodiment, the dye or particulate soil absorber and the cross-linker are applied as aqueous based solutions. Other laundry additives may be applied to the substrate using other coating techniques and particularly as a waxy or hot melt composition.
L'invention concerne un procédé de fabrication d'un article additif de blanchisserie. Selon ledit procédé, un colorant réticulable ou polymérisable ou un absorbant particulier pour salissures est appliqué sur une surface d'un réseau d'un substrat et un agent de réticulation est appliqué séparément sur le revêtement du colorant ou de l'absorbant, de manière à réticuler ledit colorant ou l'absorbant sur le substrat, afin que le colorant ou l'absorbant ne se dissolve pas dans l'eau de lavage. Selon un mode de réalisation, ce colorant ou cet absorbant et l'agent de réticulation sont appliqués comme des solutions aqueuses. D'autres additifs de blanchisserie peuvent être appliqués sur le substrat, au moyen d'autres techniques de revêtement et notamment au moyen d'une composition paraffineuse ou thermofusible.
Aouad Yousef Georges
Panandiker Rajan Keshav
Wagers Shannon Dale
Kirby Eades Gale Baker
The Procter & Gamble Company
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