| 摘要 |
The present invention relates to a process for the production of a polyurethane molding having a density of 150 to 350 g/L, in which a) polyisocyanate prepolymers, obtainable from a polyisocyanate component (a-1), polyol (a-2), comprising polypropylene oxide, and chain extender (a-3), b) polyetherpolyols having a functionality greater than 2.0, c) polymer polyetherpolyols, d) chain extender, e) catalysts, f) blowing agent, comprising water, and, if appropriate, g) other assistants and/or additives are mixed with a reaction mixture and cured in a mold to give the polyurethane molding. The present invention furthermore relates to polyurethane moldings obtainable by a process according to the invention and to shoe soles comprising polyurethane moldings according to the invention. |
