申请人:Mitsui Chemicals, Inc.
公开号:US10399930B2
公开(公告)日:2019-09-03
A manufacturing method of an isocyanate compound including obtaining a reaction solution containing an aldehyde compound by reacting a compound represented by Formula (a1) or (a2) with hydrogen and carbon monoxide in the presence of a metal compound of groups 8 to 10 and a phosphorus compound, neutralizing the reaction solution, purifying an aldehyde compound by distilling the neutralized reaction solution, reacting the aldehyde compound with ammonia and with hydrogen in the presence of a catalyst to obtain an amine compound; and reacting the amine compound with a carbonylating agent to obtain an isocyanate compound, wherein the phosphorus compound is represented by the Formula (R1O)3P, and the base compound is at least one selected from carbonate and hydrogen carbonate of metals of group I and carbonate and hydrogen carbonate of metals of group II,
wherein the neutralizing the reaction solution is performed within a temperature range of 40° C. to 50° C.
一种异氰酸酯化合物的制造方法,包括通过使式(a1)或(a2)代表的化合物在第 8 至 10 族金属化合物和磷化合物存在下与氢气和一氧化碳反应获得含有醛化合物的反应溶液,中和反应溶液,通过蒸馏中和反应溶液纯化醛化合物,使醛化合物在催化剂存在下与氨和氢气反应获得胺化合物;其中磷化合物用式 (R1O)3P 表示,碱化合物至少选自 I 族金属的碳酸盐和碳酸氢盐以及 II 族金属的碳酸盐和碳酸氢盐中的一种、
其中中和反应溶液的温度范围为 40°C 至 50°C。