Deactivation of external acid sites of H-mordenite by silica-modification in the isopropylation of biphenyl |
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| Authors: | Masahiro Hayashi Shogo Tawada Yoshihiro Kubota Yoshihiro Sugi Jong Ho Kim |
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| Affiliation: | (1) Department of Materials Science and Technology, Faculty of Engineering, Gifu University, Gifu, 501-1193, Japan |
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| Abstract: | Although extensive isomerization of 4,4'-diisopropylbiphenyl (4,4'-DIPB) occurred at 300oC over H-mordenite, high selectivity for 4,4'-DIPB among DIPB isomers was observed over silica-modified H-mordenite. This is due to the prevention of the isomerization of 4,4'-DIPB by the deactivation of external acid sites. This revised version was published online in June 2006 with corrections to the Cover Date. |
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| Keywords: | deactivation H-mordenite silica-modification external acid sites |
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