PROCESS FOR PRODUCING POLYCARBODIIMIDE
    2.
    发明申请
    PROCESS FOR PRODUCING POLYCARBODIIMIDE 审中-公开
    生产聚碳酸酯的方法

    公开(公告)号:WO2014044743A1

    公开(公告)日:2014-03-27

    申请号:PCT/EP2013/069452

    申请日:2013-09-19

    Abstract: A process for producing a polycarbodiimide, comprising polymerizing a diisocyanate in the presence of a carbodiimidization catalyst in a reaction vessel in liquid phase at a temperature in the range of from 20 to 250 °C, at a pressure in the range of from 20 to 800 mbar and in the presence of at least one inert gas, wherein the at least one inert gas is introduced into the liquid phase in the reaction vessel with a flow rate in the range of from 0.1 x/h to 100 x/h, x being the volume of the reaction vessel.

    Abstract translation: 一种聚碳化二亚胺的制造方法,其特征在于,在碳二亚胺化催化剂存在下,在20〜250℃的温度范围内,在液相的反应容器中聚合二异氰酸酯,压力为20〜800 mbar,并且在至少一种惰性气体的存在下,其中所述至少一种惰性气体以0.1×/ h至100×/ h的流速引入反应容器中的液相中,x为 反应容器的体积。

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