C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 133/04 (2006.01) C09D 133/06 (2006.01) C09D 161/28 (2006.01) C08L 61/20 (2006.01)
Patent
CA 2041148
Mo3554 LeA 27,59I AQUEOUS, CLEAR, COATING COMPOSITION CONTAINING EMULSION COPOlYMERS AND COATED SUBSTRATES PREPARED THEREFROM ABSTRACT OF THE DISCLOSURE The present invention relates to aqueous, clear, coating compositions containing A) 60 to 90% by weight, based on the total weight of components A) and B), of an emulsion copolymer which is the reaction product of a) 0 to 50% by weight of styrene, .alpha.-methyl-styrene or a mixture of these monomers, b) 0 to 50% by weight of methyl methacrylate, c) 10 to 45% by weight of at least one alkyl acrylate having 1 to 8 carbon atoms in the alkyl group, d) 5 to 30% by weight of hydroxyethyl-, 2- or 3-hydroxypropyl- or 2-, 3- or 4-hydroxybutyl-(meth)- acrylate or any mixture of these monomers, e) 1 to 15% by weight of acrylic acid, methacrylic acid or any mixture of these acids and f) 0 to 15% by weight of other comonomers, wherein i) 0 to 50% of the carboxyl groups are neutralized with an aliphatic amine or with ammonia, ii) the percentages a) - f) adding up to 100, based on the total weight of a) - f) and iii) the combined weight of monomers a) and b) being 10 - 70% by weight, based on the total weight of monomers a) - f), B) 0to100% by weight, based on the total weight of components A) and B), of a melamine resin and C) water. The present invention also relates to coated substrates, particularly coated motor vehicle substrates, prepared from these aqueous, clear, coating compositions. Mo3554
Dhein Rolf
Rettig Rainer
Reuter Knud
Wieczorrek Wolfhart
Aktiengesellschaft Bayer
Dhein Rolf
Rettig Rainer
Reuter Knud
Swabey Ogilvy Renault
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