Patent ID: 6296718
Filing Date: 2001-10-02
Classification: C09D

Abstract:
A method of stripping cured paint from aluminum, galvanized steel, steel and non-ferrous substrates comprising:a) adding a stripping composition to a strip tank, said stripping composition consisting of an alkanolamine reagent, a fatty acid and a surfactant wherein said alkanolamine is selected from the group consisting of monoethanolamine, triethanolamine, and diethanolamine, wherein said fatty acid is selected from the group consisting of oleic acid, stearic acid, Fractionated fatty acids, caprylic, caproic, capric, caprylic/capric, lauric, myristic, palmitic, behenic, erucic, Distilled fatty acids, coconut, palm kernel, linseed, tall oil, Hydrogenated fatty acids, rubber grade, marine, Tallow, soya, and carboxylic acids and wherein said surfactant is selected from the group consisting of alkylphenols, nonylphenols, ethyleneoxy ethanols, poly alkoxylates, diethanolamides, triethanolamides, monoethanolamides, phosphate esters, ethoxylated alcohols, and amine oxides;b) immersing said substrate in said strip tank containing said stripping composition; andc) heating said stripping composition to 300 degrees F. for approximately 1-hour, wherein cured paint is removed from said substrate.