C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 21/04 (2006.01) A62C 2/00 (2006.01) C23F 11/18 (2006.01)
Patent
CA 2668029
A fire-retardant composition comprising an ammonium polyphosphate, a suspending agent and an effective amount of a corrosion inhibiting agent. When in solution the corrosion inhibiting agent includes at least one ion selected from the group of ions consisting of aluminum ions, ferric ions, calcium ions and magnesium ions. Said ions complex an effective amount of fluoride ions present in the fire-retardant composition to reduce the corrosiveness of the fire-retardant composition.
La présente invention a trait à des compositions ignifuges comprenant un polyphosphate d'ammonium, un agent de suspension et une quantité efficace d'un agent inhibiteur de corrosion. En solution, l'agent inhibiteur de corrosion comprend au moins un ion choisi dans le groupe constitué des ions aluminium, des ions ferriques, des ions calcium et des ions magnésium. Lesdits ions forment un complexe avec une quantité efficace d'ions fluorure présents dans la composition ignifuge pour réduire la corrosivité de la composition ignifuge.
Garner Andrew
Stead Neville James
Borden Ladner Gervais Llp
Icl Performance Products Lp
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