Method for synthesizing 1, 3-cyclohexanedimethylamine through hydrogenation of m-xylylenediamine

The method for synthesizing the 1, 3-cyclohexanedimethylamine through hydrogenation of the m-xylylenediamine is simple and feasible, the conversion rate of the m-xylylenediamine is 80% or above, the selectivity of the 1, 3-cyclohexanedimethylamine is 99.6% or above, and the method has the advantages that the reaction is easy to operate, the product is easy to separate, the catalyst can be repeatedly used, equipment is simple, the total investment is small, the production cost is low, and the product purity is high. 本发明是本发明一种简单可行的间苯二甲胺加氢合成1，3-环己二甲胺的方法，间苯二甲胺转化率80%以上，1，3-环己二甲胺选择性99.6%以上，具有反应易操作，产品易分离，催化剂可重复使用，设备简单、总投资少，生产成本低，产品纯度高等优点。