[1]尚倩倩,刘群,肖国民.固体超强酸SO2-4/ZrO2催化合成环己酮甘油缩酮[J].东南大学学报(自然科学版),2011,41(1):140-144.[doi:10.3969/j.issn.1001-0505.2011.01.027]
 Shang Qianqian,Liu Qun,Xiao Guomin.Synthesis of cyclohexanone glycerol ketal catalyzed by solid superacid catalyst SO2-4/ZrO2[J].Journal of Southeast University (Natural Science Edition),2011,41(1):140-144.[doi:10.3969/j.issn.1001-0505.2011.01.027]
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固体超强酸SO2-4/ZrO2催化合成环己酮甘油缩酮()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
41
期数:
2011年第1期
页码:
140-144
栏目:
化学化工
出版日期:
2011-01-20

文章信息/Info

Title:
Synthesis of cyclohexanone glycerol ketal catalyzed by solid superacid catalyst SO2-4/ZrO2
作者:
尚倩倩刘群肖国民
(东南大学化学化工学院,南京 211189)
Author(s):
Shang QianqianLiu QunXiao Guomin
(School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China)
关键词:
固体超强酸环己酮甘油缩酮
Keywords:
solid superacid cyclohexanone glycerol ketal
分类号:
O643.32
DOI:
10.3969/j.issn.1001-0505.2011.01.027
摘要:
采用浸渍法制备了固体超强酸SO2-4/ZrO2催化剂,并以X射线衍射仪、热重分析仪及扫描电子显微镜对其性能及形貌进行表征.将其应用于催化环己酮与甘油的缩合反应,合成环己酮甘油缩酮,并分别考察了带水剂环己烷质量、反应时间、环己酮与甘油的摩尔比、催化剂质量等多个因素对环己酮甘油缩酮收率的影响. 实验结果表明,经600℃煅烧后,该催化剂的酸性最强,且在催化合成环己酮甘油缩酮体系中获得了良好的催化效果.在反应温度为100℃,环己酮与甘油的摩尔比为1:2.5,催化剂和环己烷的质量分别为甘油质量的5%和20%,回流反应时间为2h的最佳条件下,环己酮甘油缩酮收率达到85.0%以上.
Abstract:
The solid superacid catalyst SO2-4/ZrO2 is prepared by impregnation and characterized by X-ray diffraction, thermogravimetric analysis and scanning electron microscope. The condensation reaction of cyclohexanone with glycerol catalyzed by SO2-4/ZrO2 is studied. The influence of the cyclohexane dosage, the reaction time, the molar ratio of cyclohexanone to glycerol and the catalyst amount on the cyclohexanone glycerol ketal yield is also investigated. The experimental results show that SO2-4/ZrO2 calcined at 600℃ has the highest acidity and good performance in the synthesis of cyclohexanone glycerol ketal. Under the optimum reaction condition of the reaction temperature of 100℃, n(cyclohexanone):n(glycerol)=1:2. 5, m(catalyst):m(glycerol)=0. 05, m(cyclohexanone):m(glycerol)=0. 2, and the reaction time of 2 h, the cyclohexanone glycerol ketal yield is more than 85. 0%.

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备注/Memo

备注/Memo:
作者简介:尚倩倩(1986—),女,博士生;肖国民(联系人),男,博士,教授,博士生导师,xiaogm@seu.edu.cn.
基金项目:国家高技术研究发展计划(863计划)资助项目 (2009AA03Z222,2009AA05Z437).
引文格式: 尚倩倩,刘群,肖国民.固体超强酸SO2-4/ZrO2催化合成环己酮甘油缩酮[J].东南大学学报:自然科学版,2011,41(1):140-144.[doi:10.3969/j.issn.1001-0505.2011.01.027]
更新日期/Last Update: 2011-01-20