COATING COMPOSITITIONS WITH HIGH SCRATCH RESISTANCE AND WEATHERING STABILITY

摘要

The invention relates to coating agents which contain at least one hydrox yl group containing compound (A) and at least one isocyanate group containin g compound (B). The invention is characterized in that one or more component s of the coating agent comprise between 2.5 and 97.5 mole-%, based on the to tality of structural units (I) and (II), of at least one structural unit of formula (I) -N(X-SiR"x(OR')3-x)n(X'-SiR"y(OR')3-y)m and between 2.5 and 97.5 mole-%, based on the totality of structural units (I) and (II), of at least one structural unit of formula (II) -Z-(X-SiR"x(OR')3-x) as additional func tional components.