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AssigneeUnion Carbide Chemicals & Plastics Technology Corporation
InventorsCharles Hobert Carder, Daniel Christopher Garska, Richard Duane Jenkins, Mark Joseph McGuiness
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A glycol- and/or glycerin-based "universal" aircraft fluid (i.e., usable as any of Type I, II, III, or IV fluids), and having good resistance to degradation of viscosity and other critical properties caused by exposure to heat and/or shear, is disclosed. The fluid may optionally be prepared as a concentrate, and thereafter significantly diluted in the field for diverse uses. The improved performance is achieved by neutralizing a latex of a hydrophobe-containing, polymeric thickener with a base, preferably an alkali metal hydroxide, and preferably in combination with a weak base, such as a salt of a weak acid, and a surfactant which associates with the thickener.
A deicing/anti-icing composition for treatment of aircraft which comprises an aqueous glycol and/or glycerin solution thickened with a polymeric thickener, and/or its salt after neutralization, in an amount sufficient to thicken the fluid to permit its adherence to aircraft surfaces when applied to a stationary aircraft but also permit its windshear-induced removal during takeoff, said polymeric thickener comprising, units of by weight of said thickener,
A deicing/anti-icing composition for treatment of aircraft which comprises an aqueous glycol and/or glycerin solution thickened with a polymeric thickener, and/or its salt after neutralization, in an amount sufficient to thicken the fluid to permit its adherence to aircraft surfaces when applied to a stationary aircraft but also permit its windshear-induced removal during takeoff, said polymeric thickener comprising units of by weight of said thickener,
Dependencies are inferred from the claim text.