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Experimental Studies of Catalytic Hydrogenation of Isophthalonitrile for Meta-Xylenediamine Preparation

机译:荟萃二甲二胺制剂中邻苯二甲腈催化氢化的实验研究

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With Raney nickel catalyst, the process of catalytic hydrogenation of isophthalonitrile for meta-xylenediamine preparation using aniline as the solvent is studied in this paper. The effect of the amount of catalyst, the reaction pressure and temperature is discussed. The results show that: on the conditions of the initial raw materials concentration for 2.0mol/L, the ratio of the catalyst quality and the IPN quality for 1/10, the reaction temperature for 100°C, the reaction pressure for 35bar, the reaction inhibitor NaOH for 0.6g and some additives, the reaction is conducted for 80min and the quality yield of meta-xylenediamine is up to 98.58%.
机译:用阮内镍催化剂,本文研究了使用苯胺作为苯胺进行苯胺 - 二甲双二胺制备的邻苯二甲腈的催化氢化方法。讨论了催化剂量,反应压力和温度的影响。结果表明:在初始原料浓度的条件下为2.0mol / L,催化剂质量的比例和1/10的IPN质量,反应温度100°C,反应压力为35bar,反应抑制剂NaOH 0.6g和一些添加剂,对反应进行80分钟,元 - 二甲二胺的质量收率高达98.58%。

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