Peroxygen bleach composition

Details Peroxygen bleach composition Peroxygen bleach composition

C - Chemistry, Metallurgy

07

D

C07D 493/10 (2006.01) C11D 3/39 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2190507

Bleaching compositions comprising an inorganic peroxygen compound and a bicyclic or tricyclic diketone as an activator for the peroxygen compound. The composition preferably comprises about 1 to about 75 % of the peroxygen bleaching compound and about 1 to about 75 % of the bicyclic or tricyclic diketone bleaching compound activator. The conventional additives such as surfactants, antifoaming agents, fabric softeners, stabilizers, inorganic builder salts, buffers, enzymes and the like may be present as indicated. The compositions can be formulated as dry concentrated, aqueous solutions, aqueous solutions containing non-aqueous solvents, etc. The compositions are environmentally safe, effective as bleaching agents from below room temperature to higher temperatures, biodegradable and otherwise highly desirable.

Compositions de blanchiment comprenant un composé inorganique de peroxygène et une dicétone bicyclique ou tricyclique comme activateur de ce composé. La composition contient de préférence environ 1 à environ 75 % du composé de blanchiment au peroxygène et environ 1 à environ 75 % de son activateur à la dicétone bicyclique ou tricyclique. Les additifs classiques tels que tensioactifs, agents antimousse, assouplissants, stabilisants, sels inorganiques adjuvants, tampons, enzymes ou équivalent peuvent être présents selon les indications. Ces compositions peuvent être formulées sous forme de solutions concentrées sèches, de solutions aqueuses, de solutions aqueuses contenant des solvants non aqueux, etc. Elles sont sans danger pour l'environnement, efficaces comme agents de blanchiment depuis des températures inférieures à la température ambiante jusqu'à des températures plus élevées, biodégradables et idéales par ailleurs.

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