Aircraft anti-icing fluid containing carrageenan

Details Aircraft anti-icing fluid containing carrageenan Aircraft anti-icing fluid containing carrageenan

1986-08-04

1987-10-06

Wax, Robert A.

Compositions

Frost-preventing, ice-thawing, thermostatic, thermophoric,...

106 13, C09K 318

Patent

active

046981721

ABSTRACT:
An anti-icing fluid suitable for ground treatment of aircraft, being a glycol-based solution containing a gel-forming carrageenan, in an amount of less than 5 wt %. The carrageenan is present in the glycol-based solution in an amount sufficient to thicken the fluid to promote its adherence to aircraft surfaces when applied to a stationary aircraft. Use of this thickened deicing fluid does not adversely affect airfoil lift characteristics during takeoff, because the fluid exhibits shear thinning and readily flows off the aircraft surfaces when exposed to wind shear during the aircraft's takeoff run.

REFERENCES:
patent: 2373727 (1945-04-01), West et al.
patent: 4291025 (1981-09-01), Pellico
patent: 4358389 (1982-11-01), Konig-Lumer et al.
patent: 4439337 (1984-03-01), Nimerick et al.
patent: 4501775 (1985-02-01), Parks et al.

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