One-pot synthesis of propylene glycol and dipropylene glycol over strong basic catalyst

被引：17
作者：
Liu, Zhuo [1 ,2 ]
Zhao, Wenbo [1 ]
Xiao, Fukui [1 ]
Wei, Wei [1 ]
Sun, Yuhan [1 ]
机构：
[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2010年 / 11卷 / 08期
关键词：
Propylene glycol; Dipropylene glycol; Strong basic catalyst Na2O-ZrO2; SOLID BASE; DIMETHYL CARBONATE; ZIRCONIA; METHANOL;
D O I：
10.1016/j.catcom.2010.01.004
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The synthesis of propylene glycol (PG) and dipropylene glycol (DPG) was carried out by the hydrolysis of propylene oxide over solid base catalysts. Among them, sol-gel derived Na2O-ZrO2 showed the excellent performance. It was found that Na2O-ZrO2 had a mesoporous framework in which Na2O nanoparticles were homogeneously dispersed. Such a structure led to the strong basicity and then the excellent performance in the hydrolysis of propylene oxide. As a result, one-pot synthesis of propylene glycol (PG) and dipropylene glycol (DPG) could take place at a low H2O/PO ratio of 3 without any condensation reactions. Crown Copyright (C) 2010 Published by Elsevier BM. All rights reserved.
引用
收藏
页码：675 / 678
页数：4
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