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    • 5. 发明申请
    • Method for the Production of Rigid Polyurethane Foams
    • 刚性聚氨酯泡沫的生产方法
    • US20070259981A1
    • 2007-11-08
    • US11577459
    • 2005-10-12
    • Berend ElingAnja BiedermannAndreas EmgePeter MalotkiSeifert Holger
    • Berend ElingAnja BiedermannAndreas EmgePeter MalotkiSeifert Holger
    • C08G18/48C08J9/14
    • C08J9/141C08G18/4804C08G18/7664C08G2101/0025C08G2101/005C08J2205/10C08J2375/04
    • The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least hydrogen atoms which are reactive toward isocyanate groups, in the presence of c) blowing agents, wherein the compounds having at least hydrogen atoms which are reactive toward isocyanate groups comprise bi1) at least one polyether alcohol which has been initiated by means of sucrose and/or sorbitol and has a functionality of greater than 4 and a hydroxyl number in the range from 400 to 550 mg KOH/h, bi2) at least one polyether alcohol which has been initiated by means of TDA and has a hydroxyl number in the range from 120 to 240 mg KOH/g and an aromatics content in the range from 6.5 to 15% by weight, or a polyether alcohol which has been initiated by means of TMP and has a hydroxyl number in the range from 120 to 240 mg KOH/g, and, if appropriate, bi3) at least one polyether alcohol which has been inititated by means of a bifunctional or trifunctional alcohol and has a hydroxyl number in the range from 300 to 600 mg KOH/g.
    • 本发明涉及通过使a)多异氰酸酯与b)至少具有对异氰酸酯基团具有反应性的氢原子的化合物在c)发泡剂的存在下反应来生产硬质聚氨酯泡沫的方法,其中至少具有氢原子的化合物为 对于异氰酸酯基反应的组分包括bi1)至少一种已经通过蔗糖和/或山梨糖醇起始并且具有大于4的官能度和400-550mg KOH / h的羟值的聚醚醇,bi2 )至少一种聚醚醇,其通过TDA引发并具有120至240mg KOH / g的羟值,并且芳烃含量在6.5至15重量%的范围内,或聚醚醇,其中 已经通过TMP引发,羟基数在120至240mg KOH / g的范围内,如果合适的话,bi3)至少一种已经通过双功能或三点激发的聚醚醇 并且具有在300-600mg KOH / g范围内的羟值。
    • 6. 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。