Low-temperature bleaching compositions

Details Low-temperature bleaching compositions Low-temperature bleaching compositions

D - Textiles, Paper

06

L

8/86, 195/33.2,

D06L 3/02 (2006.01) C11D 3/386 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01)

Patent

CA 2038209

A bleaching composition is described that includes a peroxygen compound such as sodium perborate, an oxygen transfer agent, suchas sulfonimine, and a bleach precursor such as TAED. These sulfonimines at relatively low concentration enhance the activity of the precursor. A method for bleaching substrates is also provided, especially a method for cleaning fabrics.

Description d'une composition de blanchiment renfermant un composé peroxygéné, comme le perborate de sodium, un agent de transfert d'oxygène, comme la sulfonimine, et un précurseur de blanchiment comme le TAED. Des concentrations relativement faibles de ces sulfonimines améliorent l'activité du précurseur. On présente également une méthode pour le blanchiment des substrats, notamment pour le nettoyage des tissus.

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