C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
117/201, 400/646
C08K 5/09 (2006.01) C08K 5/06 (2006.01) C08K 5/10 (2006.01) C09D 133/06 (2006.01) C09D 167/00 (2006.01) C08L 33/06 (2006.01)
Patent
CA 1277450
ABSTRACT A coating composition which cures at ambient temperatures of 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, the binder contains: A. an acrylic amino ester polymer of polymerized monomers of methyl methacrylate and monomers from the group of alkyl methacrylate and alkyl acrylate each having 2-12 carbon atoms in the alkyl group and the polymer has pendent amino ester or hydroxy amino ester groups wherein the amine group is a primary; and B. an acrylic polymer that has pendent polymerizable ethylenically unsaturated groups: the polymers having a weight average molecular weight of 6,000-80,000 determined by gel permeation chromatography: the composition is a two-component composition in which the acrylic amino ester polymer is blended with the acrylic polymer having pendent polymerizable groups before application; on application the amino groups of the acrylic amino ester polymer react with the polymerizable groups of the acrylic polymer and form a crosslinked finish: the composition is useful as an exterior finish for automobiles and trucks and for repairing finishes of automobiles and trucks.
478510
Denhartog Herman C.
Walus Aloysius N.
Denhartog Herman C.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
Walus Aloysius N.
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