PROCESS FOR PREPARING ISOCYANATES BY PHOSGENATION OF AMINES IN THE LIQUID PHASE
    3.
    发明申请
    PROCESS FOR PREPARING ISOCYANATES BY PHOSGENATION OF AMINES IN THE LIQUID PHASE 有权
    通过在液相中相互作用的氨基酸来制备异氰酸酯的方法

    公开(公告)号:US20140114087A1

    公开(公告)日:2014-04-24

    申请号:US14058765

    申请日:2013-10-21

    Applicant: BASF SE

    CPC classification number: C07C263/10 C07C265/14

    Abstract: The present invention relates to a process for preparing isocyanates by reacting amines with phosgene in the liquid phase, where phosgene, hydrogen chloride and isocyanates are separated with stripping columns operated at different pressures.

    Abstract translation: 本发明涉及通过胺与光气反应制备异氰酸酯的方法,其中光气,氯化氢和异氰酸酯与在不同压力下操作的汽提塔分离。

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