Patent ID: 9718974
Date: 2017-08-01
CPC Classifications: C08G,C09D

Claim:
1. A polyurethane composition, comprising: a polyurethane A, 0.5% to 4% by weight of water, based on an amount of the polyurethane A, and optionally, a polyfunctional polymerization compound B, wherein the polyurethane A comprises, in reacted form: (a) an organic polyisocyanate comprising an allophanate group and having an NCO functionality of at least 2, synthesized from an aliphatic C (b) a compound having at least one isocyanate-reactive group and at least one radically polymerizable unsaturated group, (c) a photoinitiator having at least one isocyanate-reactive group, (d) optionally, a further diisocyanate, polyisocyanate, or both, which is different from (a), (e) optionally, a compound having at least two isocyanate-reactive groups, and (f) optionally, a compound having precisely one isocyanate-reactive group, wherein the polyurethane composition has a viscosity of not more than 400 Pas, measured according to DIN EN ISO 3219 (shear rate D. 100 s