C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/148, 400/451
C09D 3/81 (1980.01)
Patent
CA 1052926
ABSTRACT OF THE DISCLOSURE The primer-surfacer composition contains a binder of an acrylic polymer of methyl meth- acrylate, an alkyl acrylate or an alkyl methacrylate and an ethylenically unsaturated carboxylic acid that is reacted with an alkylene imine such as ethylene imine, or propylene imine, a polyester resin, and an organic dispersant; and the primer-surfacer contains suitable pigments such as talc, barytes, titanium dioxide and zinc oxide pigments; the composition is primarily used over un- primed, primed or previously finished metal substrates to provide a surface to which an acrylic lacquer, an acrylic enamel, an alkyd enamel or a polyurethane enamel coating can be applied and provides a finish for auto- mobiles and trucks which has excellent intercoat adhesion, excellent chip resistance, corrosion resistance and resistance to deterioration from exposure to water and high humidity.
198151
E.i. Du Pont de Nemours And Company
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