2009•Journal of Tongren UniversityRequires access

Experimental Study on the Catalysis Effect of Cyclohexyl Acetate Catalyzed by Composite Solid Superacid SO_4~(2-)/Sb_2O_3/SiO_2 Catalyst

Chen Yuan-xiao

Abstract

Cyclohexyl acetate was synthesized from acetic acid and cyclohexanol catalyzed by the new S O42 -/Sb2O3/SiO2 catalys made by the researcher himself.The experiment results showed that the optimum reaction conditions were as follows: when the molar ratio of cyclohexanol to acetic acid was 1:1.2,the dosage of S O42-/Sb2O3/SiO2 was 0.8g and temperature of reactionis was 145～160℃,reflux time was 4 hour.The esterification yield reached to 94.7%.The product was characterized by refractive index and IR.

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Key concepts: Superacid, Cyclohexanol, Catalysis, Acetic acid, Yield (engineering), Molar ratio, Chemistry, Nuclear chemistry