Efficient cyclohexyl acrylate production by direct addition of acrylic acid and cyclohexene over SBA-15-SO3H |
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| Authors: | Feng Zhou Jihai Tang Zhaoyang Fei Xiaoli Zhou Xian Chen Mifen Cui Xu Qiao |
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| Affiliation: | 1. Jiangsu Key Laboratory of Industrial Water-Conservation and Emission Reduction, College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing, 210009, People’s Republic of China
2. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing, 210009, People’s Republic of China
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| Abstract: | A set of propysulfonic acid modified mesostructured silica materials (SBA-15-SO3H) were prepared by a convenient one-pot co-condensation method. Samples were characterized by XRD, FT-IR, Py-FTIR, N2 adsorption–desorption, elemental analysis and acid–base titration. The catalysts exhibited excellent activities and selectivities for addition esterification of acrylic acid and cyclohexene. The highest catalytic activity (82.8 %) and selectivity (92.6 %) were obtained over SBA-15-SO3H (15 %). The efficient catalytic performance of SBA-15-SO3H (15 %) was attributed to the high surface area, proper mesopore texture and presence of sulfonic acid groups in its structure. SBA-15-SO3H catalyst was easily separated and recycled with high stability. |
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