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    • 8. 发明申请
    • FOAMED POLYURETHANES HAVING IMPROVED FLEXING ENDURANCE PROPERTIES
    • 具有改进的弯曲性能的泡沫聚氨酯
    • US20100227939A1
    • 2010-09-09
    • US12741618
    • 2008-11-13
    • Nils MohmeyerDaniel FreidankSibylle SchoepsAndreas EmgeAchim LoefflerMarco Ortalda
    • Nils MohmeyerDaniel FreidankSibylle SchoepsAndreas EmgeAchim LoefflerMarco Ortalda
    • C08G18/06
    • C08G18/632C08G18/10C08G18/4072C08G18/63C08G2101/0008C08G2101/0033C08G2101/0066C08G2101/0083C08G2410/00C08G18/40C08G18/6588
    • The present invention relates to foamed polyurethane obtainable by mixing a) polyisocyanates, b) relatively high molecular weight compounds having groups reactive toward isocyanate groups, c) solid particles, d) blowing agents, e) if appropriate, chain extender, crosslinking agent or mixtures thereof, f) if appropriate, catalyst and g) if appropriate, other additives to give a reaction mixture and allowing the reaction mixture to react to completion, the proportion of chain extender being less than 6% by weight, based on the total weight of the components a) to f), the content of solid particles being greater than 15% by weight, based on the total weight of the components a) to f), and the average functionality of the relatively high molecular weight compounds having groups reactive toward isocyanate groups being less than 2.5. The present invention furthermore relates to a molding comprising a foamed polyurethane according to the invention, a process for the preparation of the foamed polyurethane according to the invention and the use of a molding according to the invention as a shoe sole.
    • 本发明涉及通过混合a)多异氰酸酯得到的发泡聚氨酯,b)具有对异氰酸酯基团具有反应性的基团的相对高分子量化合物,c)固体颗粒,d)发泡剂,e)如果合适,扩链剂,交联剂或混合物 f)如果合适,催化剂和g)如果合适的话,其它添加剂得到反应混合物并允许反应混合物反应完成,扩链剂的比例小于6重量%,基于总重量的 组分a)至f),基于组分a)至f)的总重量,固体颗粒的含量大于15重量%,并且具有反应性的基团的相对高分子量化合物的平均官能度 异氰酸酯基团小于2.5。 本发明还涉及包含根据本发明的发泡聚氨酯的模制品,用于制备根据本发明的泡沫聚氨酯的方法以及根据本发明的模制品作为鞋底的用途。