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2013•Biomass Chemical EngineeringRequires access

Synthesis of Tributyl Citrate Catalyzed by Ionic Acid Catalyst

Tao Liu

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Abstract

Synthesis of Tributyl Citrate under the catalysis of +-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、 1 H 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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What this paper is about

Synthesis of Tributyl Citrate under the catalysis of +-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、 1 H 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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Available abstract

Synthesis of Tributyl Citrate under the catalysis of +-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、 1 H 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.

Key concepts: Catalysis, Chemistry, Citric acid, Cyclohexane, Yield (engineering), Amberlite, Alcohol, Organic chemistry

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