Patent ID: 8933163
Filing Date: 2015-01-13
Classification: C08G,C08L,C09D,C09J

Abstract:
1. A solvent-free moisture-curing polyurethane hot-melt adhesive composition, in which the adhesive comprises the following components: a) 20 to 85 wt % of a polyurethane prepolymer having free isocyanate groups produced from at least one polyol from the group of polyether polyols, polyester polyols, polyalkylene polyols, and mixtures thereof and at least one polyisocyanate, the prepolymer having a monomeric diisocyanate content below 1 wt %, b) 4 to 40 wt % of at least one acrylate copolymer having a number-average molecular weight (M c) 3 to 35 wt % of at least one thermoplastic polyester having a number-average molecular weight (M d) 0 to 25 wt % of at least one additive from the group of catalysts, resins, plasticizers, fillers, pigments, stabilizers or adhesion promoters, the sum of a) to, d) being equal to 100 wt %.