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›› 2013, Vol. 47 ›› Issue (4): 26-28.

• 研究报告 • Previous Articles     Next Articles

Synthesis of Tributyl Citrate Catalyzed by Ionic Acid Catalyst

YIN Yan-bai1, HAN Jia2, ZHANG Ya-li1, LIU Tao3
  

  1. 1. Jining Institute of Supervision & Inspection on Product Quality, Jining 272100, China; 2. Yankuang Guohong Chemical & Industrial Co., Ltd., Zoucheng 273500, China; 3. Lunan Institute of Coal Chemical Industry, Jining 272100, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2013-07-30 Published:2013-07-30

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Abstract: Synthesis of Tributyl Citrate under the catalysis of [Hmim]+[HSO4]- was investigated. The optimum reaction conditions were as follows:15% catalyst based on the reactants, n(butyl alcohol):n(citric acid)=6:1, cyclohexane as water-carrying agent, reaction temperature 110℃, and reaction time 7 h. Under these conditions, the yield of product was above 97%. The catalyst can be reused 10 times. The structure of product was characterized by FT-IR、 1H NMR. The quality of Tributyl Citrate synthesized in this paper is superior to general commercial products with low chrominance value, similar acid value and moisture.

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