Hypochlorite bleaching compositions

Details Hypochlorite bleaching compositions Hypochlorite bleaching compositions

D - Textiles, Paper

06

L

D06L 3/06 (2006.01) C01B 11/06 (2006.01) C11D 3/02 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/28 (2006.01) C11D 3/395 (2006.01)

Patent

CA 2173433

Stable liquid aqueous bleaching compositions are disclosed which comprise hypochlorite and a specific complexing agent or mixtures thereof selected from the group of polycarboxylic acid derivatives of pyridine or salts thereof. The compositions have a pH as is of from 11.5 to 14, and further comprise a Ca/Mg precipitation system. A method of treating fabrics with said compositions is also disclosed.

L'invention concerne des compositions de blanchiment aqueuses, liquides et stables, qui comprennent de l'hypochlorite ainsi qu'un agent complexant spécifique ou des mélanges de ceux-ci choisis dans le groupe des dérivés d'acide polycarboxlique de pyridine ou de sels de ceux-ci. Ces compositions présentent un pH compris entre 11,5 et 14 et comprennent en outre un système de précipitation Ca/Mg. L'invention concerne également un procédé de traitement de tissus à l'aide de ces compositions.

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