H. Fang-yu
2004
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Journal
Journal of Qingdao University of Science and Technology
Abstract
Continuous esterification process for producing tri(2-ethyl)hexyl trimellitate (TOTM) by using 2-ethylhexanol (EH) and trimellitic anhydride (TMA) as raw materials and tetra(iso-propyl) titanate as catalyst was studied. Based on reaction kinetics, the process flow diagram of continuous esterification and reaction conditions were determined. The conversion of trimellitic anhydride was over 99. 98%. The stripping column was designed to remove water in recycle procedure and the optimum operation condition was obtained.