| 摘要 |
<p>The present invention relates to the use of a polyurethane system, comprising (a) polyisocyanates, (b) at least one compound reactive with isocyanate, (c) at least one reactive chain extender having at least two groups reactive toward isocyanates, where at least one group reactive toward isocyanates is a free, primary NH2 group, (d) at least one catalyst, and (e) if appropriate, further additives, for production of polyurethane sandwich components. The present invention further relates to a process for production of polyurethane sandwich components, and to polyurethane sandwich components obtainable by this process.</p> |
