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 2548121

The invention provides a method of washing a laundry fabric in a wash liquor in a washing machine, said wash liquor containing surfactant material, wherein during a single wash cycle no more than 10% by weight of the wash liquor is drained from the washing machine, wherein the concentration of the surfactant material in the wash liquor is substantially constant during the wash cycle, and wherein said method comprises the step of changing the ionic strength of the wash liquor by addition of one or more ionic ingredients thereto during the wash cycle.

L'invention concerne un procédé de lavage d'un tissu dans une lessive versée dans une machine à laver, ladite lessive contenant une matière tensioactive. Pendant un seul cycle de lavage seul 10 % en poids de la lessive est drainée depuis la machine à laver, la concentration de matière tensioactive dans la lessive est sensiblement constante pendant le cycle de lavage. Le procédé consiste à modifier la résistance ionique de la lessive par addition d'un ou plusieurs ingrédients ioniques pendant le cycle de lavage.

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