二硝基甲苯液相加氢催化剂研究进展  

Research Progress in the Catalysts for Liquid Phase Hydrogenation of Dinitrotoluene

作　　者：李贵贤[1] 张雪梅[1] 高云艳[1] 王天烽[1] 王广[1] 宋维维[1] 

机构地区：[1]兰州理工大学石油化工学院,730050

出　　处：《聚氨酯工业》2011年第4期9-12,共4页Polyurethane Industry

摘　　要：甲苯二胺(TDA)作为甲苯二异氰酸酯(TDI)的合成中间体,广泛应用于聚氨酯工业中。本综述介绍了二硝基甲苯(DNT)液相加氢制TDA催化剂在国内外的研究进展,对各类催化剂催化DNT加氢性能进行了分析,指出了各类催化剂的优缺点,提出了DNT液相加氢催化剂由晶态向非晶态方向的发展趋势。Toluenediisocynate（TDI） which was produced by tolylenediamine（TDA） had a variety application as an intermediate in the polyurethane manufacture.The research progress of catalysis hydrogenation of dinitrotoluene（DNT） producing TDA was introduced.All kinds of catalyst on dinitrotoluene catalysis hydrogenation performance were analyzed,the advantages and disadvantages of various catalyst were emphasized.The development trend of hydrogenation catalyst on the crystal catalyst to amorphous catalyst was put forward.

关 键 词：二硝基甲苯 甲苯二胺 催化剂 液相加氢 

分 类 号：TQ246.31[化学工程—有机化工]