Fire retardant compositions containing ammonium...

A - Human Necessities – 62 – D

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A62D 1/00 (2006.01) C05B 13/00 (2006.01) C05D 9/02 (2006.01) C05G 3/00 (2006.01) C09K 21/14 (2006.01) C23F 11/10 (2006.01) C23F 11/14 (2006.01) C23F 11/18 (2006.01)

Patent

CA 2429806

Corrosion-inhibited fire retardant compositions and methods of making and using the same are provided. The corrosion-inhibited fire retardant compositions are comprised of at least one fire retardant component, a suspending agent, and a corrosion inhibiting system. The corrosion inhibiting system is comprised of at least one corrosion inhibiting compound selected from a group of compounds including azoles, insoluble ferric pyrophosphate, 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 oxide, ferric lactate, ferric resinate and any combination thereof. The corrosion inhibiting system is typically present in the fire retardant composition of the invention in a minor amount effective to substantially reduce corrosiveness of the concentrated fire retardant composition and of its diluted solution. Methods of using the corrosion inhibiting system and corrosion-inhibited agricultural plant nutrients are also provided.

Compositions ignifuges empêchant la corrosion et leurs procédés de préparation et d'utilisation. Ces compositions contiennent au moins un constituant ignifuge, un agent de suspension et un système d'inhibition de la corrosion. Ce dernier contient au moins un composé inhibiteur de corrosion sélectionné dans un groupe de composés comprenant des azoles, pyrophosphate ferrique insoluble, pyrophosphate ferrique soluble, oxalate ferreux, citrate ferrique, sulfate ferreux, citrate d'ammonium ferrique, orthophosphate ferrique insoluble, orthophosphate ferrique soluble, oxalate d'ammonium ferrique, sulfate d'ammonium ferrique, bromure ferrique, oxalate de sodium ferrique, stéarate ferrique, sulfate ferrique, acétate ferreux, sulfate d'ammonium ferreux, bromure ferreux, gluconate ferreux, iodure ferreux, acétate ferrique, fluoroborate ferrique, hydroxyde ferrique, oléate ferrique, fumarate ferreux, oxalate ferreux, oxyde ferreux, lactate ferrique, résinate ferrique ou leurs combinaisons. Ce système inhibiteur de corrosion est présent dans la composition ignifuge en quantité mineure efficace pour diminuer sensiblement le caractère corrosif de la composition ignifuge concentrée et de sa solution diluée. Procédé d'utilisation de ce système inhibiteur de corrosion et d'agents nutritifs de végétaux agricoles exempts de pouvoir corrosif.

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