PREPARING RIGID POLYURETHANE FOAMS
    2.
    发明申请
    PREPARING RIGID POLYURETHANE FOAMS 审中-公开
    制备刚性聚氨酯泡沫塑料

    公开(公告)号:US20110218262A1

    公开(公告)日:2011-09-08

    申请号:US13037983

    申请日:2011-03-01

    IPC分类号: C08G18/32 C08J9/14

    CPC分类号: C08G18/32 C08G18/06

    摘要: The invention relates to a process for preparing rigid polyurethane foams, which comprises reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive with isocyanate groups in the presence of c) blowing agents, 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 200-800 mgKOH/g, obtained by addition of an alkylene oxide b1b) onto a compound having at least two hydrogen atoms b1a), hereinafter also known as starter substances, reactive with alkylene oxides by using an amine b1c) as catalyst.

    摘要翻译: 本发明涉及一种制备硬质聚氨酯泡沫体的方法,其包括使a)多异氰酸酯与b)在c)发泡剂存在下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氢原子的化合物 与异氰酸酯基团反应b)包含至少一种官能度为2-8,羟基数为200-800mgKOH / g的聚醚醇b1),其通过将烯化氧b1b)加入到具有至少两个氢的化合物 原子b1a),以下也称为起始物质,通过使用胺b1c)作为催化剂与烯化氧反应。

    PREPARING POLYURETHANES
    3.
    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

    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。