Ammonium polyphosphate solutions containing multi-functional...

A - Human Necessities – 62 – D

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A62D 1/00 (2006.01) C05B 13/06 (2006.01) C05G 3/00 (2006.01) C09K 21/04 (2006.01) C23F 11/00 (2006.01)

Patent

CA 2470153

A corrosion-inhibited fire retardant composition comprises at least one ammonium polyphosphate, at least one suspending agent, at least one phosphonate selected from a group consisting of aminotri(methylenephosphonic acid), 1-hydroxyethylidene-1,1-diphosphonic acid, hexamethylenediaminetetra(methylenephosphonic acid), diethylenetriaminepenta(methylenephosphonic acid), salts thereof, and mixtures thereof, and a corrosion inhibiting system. The corrosion inhibiting system comprises at least one corrosion inhibiting compound selected from a group consisting of azoles, water-insoluble ferric pyrophosphate, water-soluble ferric pyrophosphate, ferrous oxalate, ferric citrate, ferrous sulfate, ferric ammonium citrate, insoluble ferric orthophosphate, soluble ferric orthophosphate, ferric ammonium oxalate, ferric ammonium sulfate, ferric bromide, ferric sodium oxalate, ferric stearate, ferric sulfate, ferrous acetate, ferrous ammonium sulfate, ferrous bromide, ferrous gluconate, ferrous iodide, ferric acetate, ferric fluoroborate, ferric hydroxide, ferric oleate, ferrous fumarate, ferrous oxalate, ferrous oxide, ferric lactate, ferric resinate, and any combination thereof. Such compositions may also be used at agricultural plant nutrients.

L'invention concerne une composition ignifuge anti-corrosion comprenant au moins un polyphosphate d'ammonium, au moins un agent de fixation, au moins un phosphonate sélectionné dans un groupe comprenant acide amino-tri (méthylène phosphonique), 1-hydroxyéthylidène-1, acide 1-diphosphonique, acide héxaméthylène diamine tétra (méthylène phosphonique), acide diéthylènetriamine penta (méthylène phosphonique), des sels de ceux-ci et des mélanges de ceux-ci, et un système d'inhibition de corrosion. Ce système d'inhibition de corrosion comprend au moins un composé d'inhibition de corrosion sélectionné dans un groupe comprenant des azoles, du pyrophosphate ferrique insoluble dans l'eau, du pyrophosphate ferrique soluble dans l'eau, de l'oxalate ferreux, du citrate ferrique, du sulfate ferreux, du citrate d'ammonium ferrique, de l'orthophosphate ferrique insoluble, de l'orthophosphate ferrique soluble, de l'oxalate d'ammonium ferrique, du sulfate d'ammonium ferrique, du bromure ferrique, de l'oxalate de sodium ferrique, du stéarate ferrique, du sulfate ferrique, de l'acétate ferreux, du sulfate d'ammonium ferreux, du bromure ferreux, du gluconate ferreux, de l'iodure ferreux, de l'acétate ferrique, du fluoroborate ferrique, de l'hydroxide ferrique, de l'oléate ferrique, du fumarate ferreux, de l'oxalate ferreux, de l'oxyde ferreux, du lactate ferrique, du résinate ferrique et des combinaisons quelconques de ceux-ci. De telles compositions peuvent également être utilisées pour des éléments nutritifs végétaux agricoles.

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