| abstract |
Polymeric mixture consisting of the following components: a) a polyacrylate copolymer consisting of the following monomers a1) acrylic acid and / or methacrylic acid ester of the following formula CH2 = C (R 1) (COOR 2), in which R 1 = H or CH 3 and R 2 is an alkyl chain of 1-20 C atoms, 65-99% by weight on a), a2) olefinically unsaturated monomers with functional groups 0-15% by weight on a), a3 ) acrylates and / or methacrylates, whose alcoholic component contains tert-butoxycarbonyl groups (BOC), 1 - 20% by weight on a), 80 - 99.8% by weight with respect to the polymer mixture, b) a photoinitiator that regulates the polymerization 0.1-15% by weight, c) bifunctional isocyanate and / or bifunctional epoxide 0.1-5% by weight. |