C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/04 (2006.01) C08G 18/83 (2006.01) C09D 133/00 (2006.01) C09D 133/04 (2006.01) C09D 167/00 (2006.01) C09D 201/06 (2006.01)
Patent
CA 2078650
A catalyst-free single-component coaling agent and use thereof for producing acid-resistant lacquer coatings A B S T R A C T A catalyst-free single-component coating agent containing (A) one or more compounds acting as cross-linking agents and with on average at least two CH-acidic hydrogen atoms, (B) one or more (meth)acrylate copolymers, polyester resins and/or polyurethane resins capable of Michael addition, with .alpha., .beta.-unsaturated groups bonded via carbonyl, carboxyl and/or carboxylic amide groups, a C=C equivalent weight of 85 - 1800 and a weight average molecular weight of 170 - 50000. The equivalent ratio of A to B is 2 : 1 to 1 : 2. The coating agent contains solvents and conventional lacquer additives, and optionally contains water, pigments and/or fillers. It results in particularly acid-resistant coatings and is particularly suitable for producing covering lacquer and clear lacquer coatings in the motor-vehicle sector.
Diener Wolfgang
Herrmann Friedrich
Konzmann Heinz
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
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