| abstract |
The invention relates to UV-stabiliser concentrates which comprise, based on the total weight, A) from 40 to 80 % by weight of at least one thermoplastic polyurethane, B) from 10 to 30 % by weight of 1,3,5-triglycidylisocyanurate and C) from 10 to 30 % by weight of 2-(2-hydroxy-3,5-di-tert-amylphenyl)-2H-benzotriazole and/or 1,6-hexanediyl bis(3-((3-benzotriazol-N-yl)-4-hydroxy-5-tert-butyl)-phenylpropanoate, to a process for the preparation thereof, and to the use thereof for the stabilisation of TPU against UV and thermal degradation. |