A multicomponent system curable thermally and with actinic radiation (dual cure), comprising
(A) at least one component comprising at least one constituent containing
at least one isocyanate-reactive functional group and at least one functional group
having at least one bond which can be activated with actinic radiation, and at
least one vinylaromatic-allyl alcohol copolymer, and
(B) at least one component comprising at least one polyisocyanate,
and its use as a coating material, adhesive and sealing compound.