C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 15/037 (2006.01) C11D 3/39 (2006.01)
Patent
CA 2709147
The present invention is directed to a stabilized hydrogen peroxide solution containing stabilizers that maintain relatively high hydrogen peroxide stability in both concentrated form and when formulated into a cleaning solution that has a pH above 6 and contains components that normally would have a destabilizing effect on the hydrogen peroxide. The stabilizers include a first cyclic amino methane diphosphonic acid compound stabilizer in combination with a second phosphonic acid based stabilizer (different from the cyclic amino methane diphosphonic acid compound), wherein the weight ratio of the first stabilizer to the second stabilizer is at least about 2:1.
La présente invention porte sur une solution stabilisée de peroxyde d'hydrogène contenant des stabilisants qui maintiennent une stabilité du peroxyde d'hydrogène relativement élevée dans une forme concentrée et lorsqu'elle est formulée pour donner une solution de nettoyage qui a un pH au-dessus de 6 et contient des composants qui auraient normalement un effet déstabilisant sur le peroxyde d'hydrogène. Les stabilisants comprennent un premier stabilisant de type composé acide aminométhanediphosphonique cyclique en combinaison avec un second stabilisant à base d'acide phosphonique (différent du composé acide aminométhanediphosphonique cyclique), le rapport pondéral du premier stabilisant au second stabilisant étant au moins d'environ 2:1.
Bonislawski David J.
Lovetro David C.
Akzo Nobel N.v.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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