| abstract |
Coating composition, in particular for producing a transparent cover layer of a multilayer coating, method for producing coatings and an object coated with a multilayer coating.n n n The invention relates to a coating composition, in particular for the production of a transparent cover layer of a multilayer coating, the coating composition contains 2 acrylic polymers A + B as a binder and aliphatic and / or cycloaliphatic polyisocyanates. The acrylic polymer A has a molecular weight of 800 to 4,000, a hydroxyl number of 80 to 180 and a glass transition temperature of below -10 ° C. The acrylic polymer B has a molecular weight of 3,000 to 10,000, a hydroxyl number of 40 to 120 and a glass transition temperature of -10 ° C to + 10 ° C. While the proportion of acrylic acid esters predominates in acrylic polymer A, polymer B contains predominantly methacrylic acid esters as monomer components. |