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Esterification of Fluoroethanol with Methacrylic Acid through Acid-resistant Poly(vinyl alcohol) Pervaporation Membranes  

Kim Jeong-Hoon (Interface Materials & Eng. Lab. Division of Advanced Chemical Technology, Korea Research Institute of Chemical Technology)
Chang Bong-Jun (Interface Materials & Eng. Lab. Division of Advanced Chemical Technology, Korea Research Institute of Chemical Technology)
Lee Yong-Taek (Department of Chemical Engineering, Chung-Nam National University)
Lee Soo-Bok (Interface Materials & Eng. Lab. Division of Advanced Chemical Technology, Korea Research Institute of Chemical Technology)
Publication Information
Membrane Journal / v.16, no.3, 2006 , pp. 230-234 More about this Journal
Abstract
This study discusses an esterification of trifluoroethanol (TFEA) with methacrylic acid (MA) using acid-resistant PVA pervaporation membrane. The acid-resistant PVA membranes, which were prepared via a thermal cross-linking reaction of PVA and EGDE were adopted in the esterification reaction. The effect of reaction conditions such as temperature, acid catalyst content, and initial molar ratio of TFEA/MA was investigated on the conversion of trifluoroethyl-methacrylate (TFEMA). It was found that TFEMA conversion increased with increasing the reaction temperature, the catalyst content, and the initial molar ratio. The economical conversion of TFEMA more than about 90% was obtained at the following reaction conditions: reaction temperature of $90^{\circ}C$, 2.5 wt% of catalyst and initial molar ratio of 1.7.
Keywords
esterification; membrane reactor; trifluoroethylmethacrylic acid; pervaporation;
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