C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/4508
C09D 133/00 (2006.01) C09D 133/06 (2006.01) C09D 163/00 (2006.01) C09D 167/00 (2006.01) C08L 63/00 (2006.01)
Patent
CA 1333432
The present invention relates to a coating agent containing A) a component containing carboxyl and tertiary amino groups and a polyepoxy resin B). A) consists of 10 to 90% by weight of a carboxyl- and amino-containing polyacrylate (A1) having an acid number from 20 to 140 and an amine number from 5 to 60 and 90 to 10% by weight of a carboxyl- and amino-containing polyester (A2) having an acid number from 10 to 160 and an amine number from 3 to 90. (A2) is obtainable by reaction of a) poly- carboxylic acids or anhydrides thereof, if desired together with monocarboxylic acids, b) polyols, if desired together with monools, and c) further modifying components and, if desired, d) a component which reacts with the reaction product from a), b) and possibly c), with the proviso that the final product contains tertiary amino groups originating from component a) and/or b) and/or d), the sum of components (A1) to (A2) being 100% by weight. The coating agents of the invention are curable at room temperature or at slightly elevated temperatures and form coatings having improved resistance to long-term stress caused by chemicals and solvents.
592464
Jung Werner Alfons
Vorbeck Udo
Basf Lacke + Farben Aktiengesellschaft
Fetherstonhaugh & Co.
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