4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体

陈美梅; 陈淑钿; 简雅婷; 谢君; 余强

doi:10.19912/j.0254-0096.tynxb.2024-1970

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (3) : 481-487. DOI: 10.19912/j.0254-0096.tynxb.2024-1970

4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体

陈美梅¹, 陈淑钿¹, 简雅婷², 谢君¹, 余强¹

作者信息 +

SYNTHESIS OF HIGH DENSITY JET FUEL PRECURSORS VIA ALKYLATION REACTION OF 4-ETHYLPHENOL AND BENZYL ALCOHOL

Chen Meimei¹, Chen Shutian¹, Jian Yating², Xie Jun¹, Yu Qiang¹

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摘要

以木质素主要解聚产物4-乙基苯酚和苯甲醇为反应底物,乙酸-氯化胆碱低共熔溶剂与Amberlyst-15离子交换树脂耦合构建烷基化催化体系制备高密度航油前驱体,考察反应温度、反应时间、低共熔溶剂物质的量之比、催化剂添加量及底物物质的量之比对其烷基化效果的影响。结果表明：在苯甲醇与4-乙基苯酚物质的量之比为1∶1、氯化胆碱/乙酸物质的量之比1∶6及5%（以质量分数计） Amberlyst-15添加量下,在170 ℃反应4 h,可实现较高的苯甲醇转化率（94.89%）和4-乙基苯酚转化率（80.78%）。同时,产物4-α-肉桂苯酚（C_15-1）和邻异丙苯基苯酚（C_15-2）的总选择性及收率分别达到74.58%和60.24%。

Abstract

4-ethylphenol and benzyl alcohol, the main depolymerization products of lignin, were used as reaction substrates to prepare high-density jet fuel precursor in an alkylation catalytic system coupled by acetic acid-choline chloride （Aa-ChCl） deep eutectic solvent and Amberlyst-15 ion exchange resin. The effects of reaction temperature, reaction time, molar ratio of the deep eutectic solvent components, catalyst amount and substrate molar ratio on alkylation were investigated. The results showed that a high conversion rates of benzyl alcohol （94.89%） and 4-ethylphenol （80.78%） were achieved at 170 ℃ over 4 hours with a molar ratio of benzyl alcohol to 4-ethylphenol of 1∶1 in an optimized system （Aa-ChCl at a molar ratio of 1：6 and an addition of 5% Amberlyst-15）. Meanwhile, the total selectivity and yield of 4-α-cinnamophenol （C_15-1） and o-isopropylphenol （C_15-2） could reach 74.58% and 60.24%, respectively.

导出引用

陈美梅, 陈淑钿, 简雅婷, 谢君, 余强. 4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体[J]. 太阳能学报. 2026, 47(3): 481-487 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1970

Chen Meimei, Chen Shutian, Jian Yating, Xie Jun, Yu Qiang. SYNTHESIS OF HIGH DENSITY JET FUEL PRECURSORS VIA ALKYLATION REACTION OF 4-ETHYLPHENOL AND BENZYL ALCOHOL[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 481-487 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1970

中图分类号： TK6

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