Method of laundry washing

Details Method of laundry washing Method of laundry washing

D - Textiles, Paper

06

F

D06F 35/00 (2006.01)

Patent

CA 2548119

The invention provides a method of washing a laundry fabric in a wash liquor in a washing machine, wherein during a single wash cycle no more than 10% by weight of the wash liquor is drained from the washing machine, wherein said method comprises the step of varying the ionic strength of the wash liquor over at least 10% of the duration of the wash cycle by addition of one or more ionic ingredients to the wash liquor, and wherein the lowest ionic strength of the wash liquor is from 0.001 to 0.06 M and the highest ionic strength of the wash liquor is from 0.01 to 0.5 M.

L'invention concerne un procédé pour laver un tissu de linge dans un bain de lavage se trouvant dans un lave-linge. Selon ce procédé, une quantité inférieure à 10 % en poids du bain de lavage est évacuée du lave-linge au cours d'un seul cycle de lavage. Ce procédé comprend une étape consistant à faire varier la résistance ionique du bain de lavage sur au moins 10 % de la durée du cycle de lavage, par addition d'un ou de plusieurs composants ioniques au bain de lavage. La force ionique minimale du bain de lavage est comprise entre 0,001 et 0,06 M et la force ionique maximale du bain de lavage est comprise entre 0,01 et 0,5 M.

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