阅读说明：本技术 具有改善性质的复合元件 (Composite element with improved properties ) 是由 C·格瑞尔瑟-施米茨 A·卡姆 于 2019-01-25 设计创作，主要内容包括：本发明涉及一种复合元件,该复合元件具有以下层结构：2mm至20mm的金属,10mm至100mm的致密聚氨酯制剂及另外的2mm至20mm的金属。所述聚氨酯制剂通过使(a)具有至少两个异氰酸酯基的化合物与(b)聚醚多元醇反应而获得,且该聚醚多元醇(b)为至少包含聚醚多元醇(b1)和聚醚多元醇(b2)的成分的混合物。本发明还涉及所述复合元件的用途及相关的方法。(The invention relates to a composite element having the following layer structure: 2mm to 20mm metal, 10mm to 100mm dense polyurethane formulation and a further 2mm to 20mm metal. The polyurethane formulation is obtained by reacting (a) a compound having at least two isocyanate groups with (b) a polyether polyol, and the polyether polyol (b) is a mixture of ingredients comprising at least polyether polyol (b1) and polyether polyol (b 2). The invention also relates to the use of said composite element and to the associated method.)