Coating compositions comprising adducts with alkoxysilane
2004
The invention relates to coating compositions comprising (A) at least 50 wt .-%, based on the amount of nonvolatile substances in the coating composition, at least one compound (A1) having at least one reactive group of the formula I -NR-C (O) -N- (X-SiR''x (OR ') 3-x) n (X'-SiR''y (OR') 3-y) m With R = hydrogen, alkyl, cycloalkyl, aryl or aralkyl, the carbon chain may be interrupted by nonadjacent oxygen, sulfur or NRa groups, with Ra = alkyl, cycloalkyl, aryl or aralkyl, R '= hydrogen, alkyl, cyloalkyl, aryl or aralkyl, the carbon chain may be interrupted by nonadjacent oxygen, sulfur or NRa groups, X, X '= linear and / or branched alkylene or cycloalkylene radical having 2 to 20 carbon atoms, R '' = alkyl, cycloalkyl, aryl or aralkyl, the carbon chain may be interrupted by nonadjacent oxygen, sulfur or NRa groups, n = 0 to 2, m = 0 to 2, m + n = 2 and x, y = 0 to 2, (B) a catalyst for the crosslinking of the -Si (OR ') 3-x (y) units and (C) an aprotic solvent or a mixture of aprotic solvents Mitt buns.
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