An article Novel mesoporous TiO2(B) whisker-supported sulfated solid superacid with unique acid characteristics and catalytic performances WOS:000460831500003 published article about BIODIESEL PRODUCTION; ZIRCONIA CATALYSTS; SURFACE-STRUCTURE; CRYSTAL PHASE; CO ADSORPTION; TIO2-B 100; TITANIA; ESTERIFICATION; NANOCOMPOSITES; CONDENSATION in [Li, Licheng; Yue, Haiqin; Wang, Lei; She, Jie; Gu, Xiaoli; Li, Xiaobao] Nanjing Forestry Univ, Coll Chem Engn, Nanjing 210037, Jiangsu, Peoples R China; [Ji, Tuo] Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USA; [Li, Wei] Aston Univ, Aston Inst Mat Res, European Bioenergy Res Inst, Birmingham B4 7ET, W Midlands, England; [Zhao, Xuejuan] Nanjing Inst Technol, Sch Mat Engn, Nanjing 211167, Jiangsu, Peoples R China; [Li, Licheng; Li, Wei] Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Jiangsu, Peoples R China; [Wang, Lei] CNOOC Changzhou Paint & Coatings Ind Res Inst Co, Changzhou 213016, Jiangsu, Peoples R China in 2019, Cited 66. Safety of Benzyl ether. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4
Mesoporous TiO2(B) whisker was firstly applied as a support for synthesizing the novel sulfated solid superacid (SO42-/TiO2(B)). According to NH3-TPD, TG and Py-IR characterization results, it was found that the similar amount of sulfate group on TiO2(B) and anatase showed significantly different acid characteristics and catalytic performances. The total acid amount of SO42-/TiO2(B) was about 1.8 times as anatase-supported sulfated solid superacid (SO42-/Anatase). Simultaneously, the SO42-/TiO2(B) possessed higher percentage of Bronsted acid and more weak-medium acid strength than SO42-/Anatase. These acidic properties endowed SO42-/TiO2(B) with the increased esterification reaction rate and decreased alkylation byproduct selectivity compared with that of SO42-/Anatase. Structure-performance analysis exhibited that there were more bridged bidentate sulfate groups coordinated to the TiO2(B) in SO42-/TiO2(B), which could induce more Ti cations than that of the chelating one. This was the key factor to be responsible for the unique acid characteristics of SO42-/TiO2(B). The present work provides a novel solid superacid and might open a strategy to mediate the acid characteristic for sulfated solid superacid.
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