C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/4214, 400/54
C09D 133/06 (2006.01) C08L 61/32 (2006.01)
Patent
CA 1152673
ABSTRACT OF THE DISCLOSURE The high solids coating composition contains at least 50% by weight of a binder of film-forming constituents in which the constituents are of (A) an acrylic polymer that has a number average molecular weight of about 500-4,500, a hydroxyl content of at least 2% by weight, a glass transition temperature of about -20°C to +20°C and optionally contains a chain transfer agent, and is of an alkyl methacrylate, a hydroxyl alkyl acrylate or a hydroxyl alkyl methacrylate, and optionally, an alkyl acrylate or styrene; and (B) an alkylated melamine formaldehyde cross- linking agent; the composition is particularly useful as an exterior finish for automobiles, truck, airplanes and can be used as an appliance finish and for coil coatings.
354403
Khanna Ram-Tirth
Turner Robert L.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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