Flame retardant composition

Details Flame retardant composition Flame retardant composition

C - Chemistry, Metallurgy

09

K

C09K 21/04 (2006.01) A62D 1/00 (2006.01) C01B 25/40 (2006.01)

Patent

CA 2691080

The invention relates to a flame retardant composition, particularly designed for fire fighting with aerial means. The retardant composition comprises a liquid ammonium polyphosphate of chain length with a value of n between 2 and 3, n being the number of condensation groups, and an ammonium polyphosphate in powder form in suspension, with a chain length with a value of n between 100 and 1500. In addition to the above, the flame retardant composition comprises corrosion inhibitors, in particular zinc orthophosphate dihydrate, and at least one surfactant agent as wetting agent or dispensing agent, an organic or inorganic thickening agent and at least one colouring agent.

L'invention concerne une composition ignifuge, en particulier conçue pour lutter contre les incendies avec des moyens aériens. La composition ignifuge comprend un polyphosphate d'ammonium liquide d'une longueur de chaîne ayant une valeur n entre 2 et 3, n étant le nombre de groupes de condensation, et un polyphosphate d'ammonium sous la forme d'une poudre en suspension, ayant une longueur de chaîne avec une valeur n entre 100 et 1500. En plus de ce qui est décrit ci-dessus, la composition ignifuge comprend des inhibiteurs de corrosion, en particulier un orthophosphate de zinc dihydraté, et au moins un agent tensioactif en tant qu'agent mouillant ou agent de dispersion, un agent épaississant organique ou inorganique et au moins un colorant.

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