PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAMS
    1.
    发明申请
    PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAMS 有权
    生产柔性聚氨酯泡沫的方法

    公开(公告)号:US20090306239A1

    公开(公告)日:2009-12-10

    申请号:US12513506

    申请日:2007-11-09

    IPC分类号: C08G18/00 C07C69/96

    摘要: The invention relates to a process for producing flexible polyurethane foams by reactinga) polyisocyanates withb) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence ofc) blowing agents,wherein the component b) comprises at least one polyether carbonate polyol bi) which can be prepared by addition of carbon dioxide and alkylene oxides onto H-functional starter substances using DMC catalysts and has a functionality of at least 2, a hydroxyl number in the range from 10 to 500 mg KOH/g and a content of incorporated carbon dioxide in the form of carbonate units of at least 2% by weight.

    摘要翻译: 本发明涉及通过使a)多异氰酸酯与b)在c)发泡剂存在下具有至少两个对异氰酸酯基团具有反应性的氢原子的化合物反应来生产柔性聚氨酯泡沫体的方法,其中组分b)包含至少一种 聚醚碳酸酯多元醇bi),其可以通过使用DMC催化剂将二氧化碳和环氧烷加成到H官能起始物质上并具有至少2的官能度,羟值在10至500mg KOH / g范围内的官能度和 碳酸酯单元形式的并入二氧化碳的含量为至少2重量%。