Synthesis of stearic acid triethanolamine ester over Al-SBA-15

被引：15
作者：
Jiang, Yajie [1 ]
Geng, Tao [1 ]
Li, Qiuxiao [1 ]
机构：
[1] China Res Inst Daily Chem Ind, Taiyuan 030001, Shanxi, Peoples R China
来源：
JOURNAL OF POROUS MATERIALS | 2012年 / 19卷 / 03期
关键词：
Al-SBA-15; Esteramine; Esterquat; Triethanolamine; AL-MCM-41; MOLECULAR-SIEVES; DIMETHYL CARBONATE; SBA-15; TRANSESTERIFICATION; ESTERIFICATION;
D O I：
10.1007/s10934-011-9483-8
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Al-SBA-15 mesoporous molecular sieves with Si/Al ratio ranging from 50 to 15 were prepared and used for the catalysis of esterification of stearic acid with triethanolamine. The effects of Si/Al ratio and catalyst dosage on the esterification were investigated. Under the conditions of mass fraction of catalyst 0.25% and Si/Al ratio 25, the acid value of the product and content of mono-esteramine plus di-esteramine in it were 1.78 mg KOH/g and 84.79%, respectively. From the result of reuse as catalyst, we knew that Al-SBA-15 showed very good stability during the esterification reaction. X-ray diffraction (XRD), nitrogen adsorption-desorption isotherms (BET), transmission electron microscopy (TEM), pyridine in situ FTIR characterization of the catalyst samples had been recorded. The results showed that Al-SBA-15 exhibited uniform channels, large surface area, and suitable acid strength.
引用
收藏
页码：369 / 374
页数：6
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