Industrialized IPDI (isophorone diisocyanate) synthesis process

The invention relates to the technical field of IPDI synthesis, in particular to an industrial IPDI synthesis process, which comprises a synthesis process of isophorone dicarbamate n-butyl ester and a thermal cracking process of isophorone dicarbamate n-butyl ester. The synthesis process is simple in flow, low in pollution, high in raw material utilization rate, high in economic benefit and suitable for large-scale industrial production. 本发明涉及IPDI合成技术领域，具体是一种可工业化的IPDI合成工艺，包括异佛尔酮二氨基甲酸正丁酯的合成工艺和异佛尔酮二氨基甲酸正丁酯的热裂解工艺。本发明的合成工艺流程简单，污染小，原料利用率高，经济效益高，适合大规模工业化生产。