Process for the production of aliphatic isocyanates
    1.
    发明授权
    Process for the production of aliphatic isocyanates 有权
    生产脂族异氰酸酯的方法

    公开(公告)号:US09045395B2

    公开(公告)日:2015-06-02

    申请号:US13887621

    申请日:2013-05-06

    CPC classification number: C07C263/10 C07C265/14 C07C265/04 C07C265/10

    Abstract: The present invention is an aliphatic or cycloaliphatic isocyanate obtained form a process comprising the steps of reacting an aliphatic or cycloaliphatic primary amine, with phosgene in the presence of an inert solvent, wherein the initial reaction temperature is between 100 and 130° C. and the temperature is subsequently ramped to 150 to 180° C. during the course of the reaction, the solvent to amine weight ratio is 95:5 to 80:20, the total reaction pressure is maintained between 50 and 350 psig and the amine is rapidly dispersed in the phosgene through injection in a region of high efficiency mixing.

    Abstract translation: 本发明是由一种方法获得的脂族或脂环族异氰酸酯,该方法包括以下步骤:在惰性溶剂存在下使脂族或脂环族伯胺与光气反应,其中初始反应温度为100-130℃, 温度随后在反应过程中升至150至180℃,溶剂与胺的重量比为95:5至80:20,总反应压力保持在50至350psig之间,胺迅速分散 在光气中通过注射在高效混合区域。

    PROCESS FOR THE PRODUCTION OF ALIPHATIC ISOCYANATES
    2.
    发明申请
    PROCESS FOR THE PRODUCTION OF ALIPHATIC ISOCYANATES 有权
    生产异构异氰酸酯的方法

    公开(公告)号:US20130245314A1

    公开(公告)日:2013-09-19

    申请号:US13887621

    申请日:2013-05-06

    CPC classification number: C07C263/10 C07C265/14 C07C265/04 C07C265/10

    Abstract: The present invention is an aliphatic or cycloaliphatic isocyanate obtained form a process comprising the steps of reacting an aliphatic or cycloaliphatic primary amine, with phosgene in the presence of an inert solvent, wherein the initial reaction temperature is between 100 and 130° C. and the temperature is subsequently ramped to 150 to 180° C. during the course of the reaction, the solvent to amine weight ratio is 95:5 to 80:20, the total reaction pressure is maintained between 50 and 350 psig and the amine is rapidly dispersed in the phosgene through injection in a region of high efficiency mixing.

    Abstract translation: 本发明是由一种方法获得的脂族或脂环族异氰酸酯,该方法包括以下步骤:在惰性溶剂存在下使脂族或脂环族伯胺与光气反应,其中初始反应温度为100-130℃, 温度随后在反应过程中升至150至180℃,溶剂与胺的重量比为95:5至80:20,总反应压力保持在50至350psig之间,胺迅速分散 在光气中通过注射在高效混合区域。

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