Anti-icing composition for aircraft

Details Anti-icing composition for aircraft Anti-icing composition for aircraft

C - Chemistry, Metallurgy

09

K

C09K 3/18 (2006.01)

Patent

CA 2269398

The invention relates to the use of optical brighteners in aircraft deicing compositions for improving detection of the application of deicing compositions in poor visibility conditions and at night on the surface of aircraft. The invention also relates to an anti-icing composition for aircraft, comprising water, one or more glycols, one or more corrosion inhibitors, one or more surfactants, one or more pH regulators and one or more dyes, wherein the composition additionally comprises an optical brightener which absorbs ultraviolet light and displays a fluorescence in the visible spectral region. The invention further relates to a method for deicing aircraft by applying an anti-icing composition, wherein the anti-icing composition comprises an optical brightener, and wherein complete wetting of the aircraft is established by irradiating with ultraviolet light and observing the fluorescence.

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