| Synthesis of propylene glycol ethers from propylene oxide catalyzed by environmentally friendly ionic liquids | |
| Zhao, Cong1,2; Chen, Shengxin2,3; Zhang, Ruirui2; Li, Zihang2; Liu, Ruixia2; Ren, Baozeng1; Zhang, Suojiang1,2 | |
| 2017-05-01 | |
| 发表期刊 | CHINESE JOURNAL OF CATALYSIS
 |
| ISSN | 0253-9837 |
| 卷号 | 38期号:5页码:879-889 |
| 摘要 | A series of acetate ionic liquids were synthesized using a typical two-step method. The ionic liquids were used as environmentally benign catalysts in the production of propylene glycol ethers from propylene oxide and alcohols under mild conditions. The basic strengths of the ionic liquids were evaluated by determination of their Hammett functions, obtained using ultraviolet-visible spectroscopy, and the relationship between their catalytic activities and basicities was established. The catalytic efficiencies of the ionic liquids were higher than that of the traditional basic catalyst NaOH. This can be attributed to the involvement of a novel reaction mechanism when these ionic liquids are used. A possible electrophilic-nucleophilic dual activation mechanism was proposed and confirmed using electrospray ionization quadrupole time-of-flight mass spectrometry. In addition, the effects of significant reaction parameters such as concentration of catalyst, molar ratio of alcohol to propylene oxide, reaction temperature, and steric hindrance of the alcohol were investigated in detail. (c) 2017, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved. |
| 关键词 | Ionic Liquid Propylene Glycol Ether Etherification Propylene Oxide Basic Strength Reaction Mechanism Environmental Friendly |
| 文章类型 | Article |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| DOI | 10.1016/S1872-2067(17)62831-6 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | METHYL-ETHER ; SOLID BASE ; CO2 ; CYCLOADDITION ; MECHANISM ; METHANOL ; PERFORMANCE ; ALCOHOLS |
| WOS研究方向 | Chemistry ; Engineering |
| WOS类目 | Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical |
| 项目资助者 | CAS ; National Natural Science Foundation of China Petroleum & Chemical Corporation Joint Fund(U1662129) ; National Natural Science Foundation of China(91434203) ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences(QYZDY-SSW-JSC011) |
| WOS记录号 | WOS:000402346400013 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ipe.ac.cn/handle/122111/22535 |
| 专题 | 多相复杂系统国家重点实验室 |
| 作者单位 | 1.Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450001, Henan, Peoples R China 2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China 3.Henan Univ, Coll Chem & Chem Engn, Kaifeng 475004, Henan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhao, Cong,Chen, Shengxin,Zhang, Ruirui,et al. Synthesis of propylene glycol ethers from propylene oxide catalyzed by environmentally friendly ionic liquids[J]. CHINESE JOURNAL OF CATALYSIS,2017,38(5):879-889. |
| APA | Zhao, Cong.,Chen, Shengxin.,Zhang, Ruirui.,Li, Zihang.,Liu, Ruixia.,...&Zhang, Suojiang.(2017).Synthesis of propylene glycol ethers from propylene oxide catalyzed by environmentally friendly ionic liquids.CHINESE JOURNAL OF CATALYSIS,38(5),879-889. |
| MLA | Zhao, Cong,et al."Synthesis of propylene glycol ethers from propylene oxide catalyzed by environmentally friendly ionic liquids".CHINESE JOURNAL OF CATALYSIS 38.5(2017):879-889. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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