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科技导报
|研究论文
2014
, 32
(14) :
19
-23
SBA-15固载离子液体在碳酸丙烯酯水解反应中的应用
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郭建平, 唐斌艳, 陈欣, 曾海浪, 毛丽秋
作者信息
作者简介:
郭建平，教授，研究方向为绿色化学和功能高分子材料，电子信箱：gjpp2712@163.com
Application of SBA-15 Immobilized Ionic Liquid in Hydrolysis of Propylene Carbonate
GUO Jianping, TANG Binyan, CHEN Xin, ZENG Hailang, MAO Liqiu
Affiliations
College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
出版时间: 2014-05-18
doi: 10.3981/j.issn.1000-7857.2014.14.002
文章导航
为寻找一种用于制备1，2-丙二醇（PG）的更有效简单的离子液体，通过在咪唑阳离子上引进碱性基团，合成了具有一个碱性位点的咪唑类离子液体，并将其固载到介孔分子筛SBA-15 上，制得功能化三乙胺固载离子液体材料。采用红外、热重、X射线衍射、透射电镜、N2 吸附-脱附等测试技术对催化剂进行了表征。通过表征分析可知，与纯硅SBA-15 相比，固载催化剂的比表面积、孔容和孔径有一定程度的减小。考察了其在碳酸丙烯酯水解反应中的催化活性，在有足够水的条件下，反应温度140℃、催化剂的用量为3%（质量分数）、反应时间为2 h 时，取得最好的催化效果，选择性和产率均大于99%，同时该催化剂具有重复使用性。
With introduction of basic groups in the imidazole cation, the imidazole functional ionic liquid with an alkaline site was synthesised, which was immobilized on mesoporous molecular sieve SBA-15, and functionalized triethylamine immobilized ionic liquid material was obtained. The catalyst was characterized by FT-IR, TG-DTG, X-ray diffraction, transmission electron microscopy, N2 adsorption-desorption methods. Analysis by characterization showed that the immobilized catalyst surface area, pore volume and pore diameter decreased compared with those of pure silica SBA-15. The catalytic activity of the catalyst was investigated in the hydrolysis reaction of propylene carbonate, under conditions of enough water, reaction temperature of 140℃, the amount of catalyst 3%, and reaction time 2 h, where the best catalytic effect was obtained. The selectivity and yield were more than 99%, and the catalyst was reusable.
ionic liquid
/
immobilized catalyst
/
propylene glycol
郭建平, 唐斌艳, 陈欣, 曾海浪, 毛丽秋.
SBA-15固载离子液体在碳酸丙烯酯水解反应中的应用.
科技导报,
2014
, 32
(14)
: 19
-23
.
DOI: 10.3981/j.issn.1000-7857.2014.14.002
GUO Jianping, TANG Binyan, CHEN Xin, ZENG Hailang, MAO Liqiu.
Application of SBA-15 Immobilized Ionic Liquid in Hydrolysis of Propylene Carbonate[J].
Science & Technology Review ,
2014
, 32
(14)
: 19
-23
.
DOI: 10.3981/j.issn.1000-7857.2014.14.002
2014年第32卷第14期
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文章信息
doi: 10.3981/j.issn.1000-7857.2014.14.002
接收时间：2013-08-19
首发时间：2014-05-29
出版时间：2014-05-18
收稿日期：2013-08-19
修回日期：2013-12-08
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2014.14.002
引用本文
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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