Peracid composition for decontaminating materials...

Details Peracid composition for decontaminating materials... Peracid composition for decontaminating materials...

A - Human Necessities

62

D

A62D 3/30 (2007.01)

Patent

CA 2218079

The decontamination of various materials is disclosed. A composition provided for this purpose includes a peracid or salt thereof selected from an imidoperacid of general formula (I), wherein n is an integer from 3 to 8, and R1, which is the same or different in each -CHR1- group, is an alkyl or phenyl group, and a diperacid of general formula (II), wherein p is an integer from 2 to 10 and R2 has the same definition as R1; and a quaternary ammonium-type cationic surfactant. The peracid may be combined with the surfactant to form an ammonium percarboxylate. Said composition is useful for decontaminating materials contaminated with organosulphur or organophosphorus compounds.

L'invention concerne la décontamination de matériaux divers. La composition comprend un péracide, ou un de ses sels, choisi parmi un imidopéracide représenté par la formule générale (I) dans laquelle n est un entier compris entre 3 et 8, et R1, identique ou différent dans chaque groupe -CHR1-, est un groupe alkyle ou un groupe phényle; et un dipéracide représenté par la formule générale (II) dans laquelle p est un entier compris entre 2 et 10, et R2 a la même définition que R1; et un agent tensio-actif cationique du type ammonium quaternaire. Le péracide peut être combiné au tensio-actif pour former un percarboxylate d'ammonium. Application à la décontamination des matériaux souillés par des composés organosoufrés ou organophosphorés.

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