Zhao Jian-bin
2015
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Journal
Fine Chemical Intermediates
Abstract
4,4′-Methylenedianiline was synthesized from the reaction of aniline with formaldehyde using hydrochloric acid as catalyst, and was characterized using infrared spectroscopy and melting-point instrument.The optimal reactants ratio, transformation temperature and reaction time were investigated using orthogonal test.the experimental results showed that the percent conversion of this reaction can be up to 90.4% at an aniline/formaldehyde molar ratio of 4:1, transposition temperature of 85℃ and reaction time of 30 min.