知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

39 条记录 (耗时 0.011 秒)

    PREPARING POLYURETHANES
    29.
    发明申请
    PREPARING POLYURETHANES 审中-公开
    制备聚氨酯

    公开(公告)号：US20110218259A1

    公开(公告)日：2011-09-08

    申请号：US13037558

    申请日：2011-03-01

    申请人： Berend ELING ,  Markus SCHÜTTE ,  Sirus ZARBAKHSH

    发明人： Berend ELING ,  Markus SCHÜTTE ,  Sirus ZARBAKHSH

    IPC分类号： C08J9/35 ,  C08K9/10 ,  C08K3/32 ,  C08K3/34 ,  B82Y30/00

    CPC分类号： C08G18/4875 ,  C08G18/4816 ,  C08G2101/0025

    摘要： The invention relates to a process for preparing polyurethanes, which comprises reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive with isocyanate groups, wherein said compounds having at least two hydrogen atoms reactive with isocyanate groups b) comprise at least one polyether alcohol b1) having a functionality of 2-8 and a hydroxyl number of 200-600 mgKOH/g, obtained by addition of an alkylene oxide b1b) onto a compound having at least two hydrogen atoms reactive with alkylene oxides by using an amine b1c) as catalyst.

    摘要翻译： 本发明涉及一种制备聚氨酯的方法，其包括使a）多异氰酸酯与b）具有至少两个与异氰酸酯基团反应的氢原子的化合物反应，其中所述具有至少两个与异氰酸酯基团反应的氢原子的化合物b）包含至少一个 通过使用胺b1c将具有至少两个与烯化氧反应的氢原子的化合物加成烯化氧b1b）获得官能度为2-8，羟基数为200-600mgKOH / g的聚醚醇b1） ）作为催化剂。

    Polyurethanes with improved tear propagation resistance
    30.
    发明授权
    Polyurethanes with improved tear propagation resistance 失效
    具有改善的抗撕裂传播性的聚氨酯

    公开(公告)号：US06610811B1

    公开(公告)日：2003-08-26

    申请号：US09379938

    申请日：1999-08-24

    申请人： Alfred Westfechtel ,  Roland Gruetzmacher ,  Rainer Hoefer

    发明人： Alfred Westfechtel ,  Roland Gruetzmacher ,  Rainer Hoefer

    IPC分类号： C08J300

    CPC分类号： C09K3/1021 ,  C08G18/10 ,  C08G18/3212 ,  C08G18/4233 ,  C08G18/4875 ,  C09K2200/0252 ,  C08G18/36 ,  C08G18/42 ,  C08G18/48

    摘要： Polyurethanes having improved tear resistance which are the reaction product of the following components: A) a polyol component containing dimer diol and/or trimer triol and/or an OH-terminated polyester produced from polycarboxylic acids, preferably dimer fatty acid and/or trimer fatty acid, and diols and B) an isocyanate component containing prepolymers obtained by reacting polyfunctional isocyanates with dimer diol and/or trimer triol and/or an OH-terminated polyester produced from polycarboxylic acids, preferably dimer fatty acid and/or trimer fatty acid, and diols; and processes for their manufacture.

    摘要翻译： 具有改善的抗撕裂性的聚氨酯是以下组分的反应产物：A）含有二聚体二醇和/或三聚体三醇和/或由多元羧酸制成的OH封端的聚酯，优选二聚脂肪酸和/或三聚体脂肪 酸和二醇和B）含有预聚物的异氰酸酯组分，其通过多官能异氰酸酯与二聚二醇和/或三聚体三醇和/或由多元羧酸，优选二聚脂肪酸和/或三聚体脂肪酸制备的OH-端聚酯反应获得，和二醇 ; 及其制造工艺。