Coating composition of an acrylic polymer containing...

Details Coating composition of an acrylic polymer containing... Coating composition of an acrylic polymer containing...

C - Chemistry, Metallurgy

08

L

117/198, 400/592

C08L 63/00 (2006.01) B05D 7/02 (2006.01) B05D 7/14 (2006.01) C08L 63/10 (2006.01) C09D 163/00 (2006.01) C09D 163/10 (2006.01)

Patent

CA 2029185

26 FA-0356 ABSTRACT A coating composition which cures at ambient temperatures and contains 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, wherein the binder contains about: A. 60-80% by weight, based on the weight of the binder, of an acrylic polymer A of polymerized monomers of methyl methacrylate and monomers of styrene, alkyl methacrylate and/or alkyl acrylate each having 2-12 carbon atoms in the alkyl group and said polymer having pending from the polymer backbone aminoester groups, hydroxy aminoester groups or hydroxyamine groups, B. 20-40% by weight, based on the weight of the binder, of an acrylic crosslinking polymer B of polymerized monomers of at least 3% by weight, based on the weight of the crosslinking polymer, of a glycidyl constituent of glycidyl methacrylate or acrylate, at least 5% by weight, based on the weight of the crosslinking polymer, of an alkyl methacrylate or acrylate having a pendent group of the formula -O-?-CH2-?-CH3 and the remainder of the monomers are alkyl methacrylate an acrylate each having 1-12 carbon atoms in the alkyl group; 26 27 the composition is useful as an exterior finish for automobiles and trucks and for repairing and finishes of automobiles and trucks. 27

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