| 摘要 |
<p>In the present invention there is disclosed a moisture-curing polyurethane hot-melt adhesive intended for use in shoe industry and including (A) at least one polyurethane prepolymer containing a) 15 to 35 percent by weight of at least one polyisocyanate, b) 10 to 70, particularly 15 to 35 percent by weight of at least one polyalkylene glycol based on total hot-melt adhesive, c) 5 to 65 percent by weight, preferably 30 to 50 percent by weight of at least one polyester glycol, having glass transition temperature in the range of -40 to +50 degC, and B) optionally other additives such as d) 0 to 15 percent by weight, preferably 3 to 10 percent by weight of a resin, and e) 0 to 0.5, preferably 0.01 to 0.1 percent by weight of a stabilizer. In the present invention there is also described a process for preparing the above-specified hot-melt adhesive as well as use thereof.</p> |
