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Study on Preparation of High-Carbon Fatty Alcohol Ester of Chloroacetic with Solid Superacid
Author(s): ZHOU Cairong, SHI Xiaohua, GE Chengbo, WANG Haifeng(schoolofchemicalengineeringandenergy, ZHENGZHOU University, ZHENGZHOU 450001, china)
Pages: 1-
4
Year: 2010
Issue:
3
Journal: Journal of Zhengzhou University of Technology
Keyword: 高碳脂肪醇; 氯乙酸高碳脂肪醇酯; 固体超强酸; 酯化反应;
Abstract: 从节能、绿色、环保的角度出发,采用固体超强酸(SO42-/TiO2)作为催化剂制备氯乙酸高碳脂肪醇酯,采用正交试验法,以酯化率作为考察指标,考察了5个因素对反应的影响,其影响大小的顺序为:反应时间>带水剂用量>物料比>催化剂用量>反应温度,得出了较优的反应条件为:反应温度110℃,反应时间5.5 h,物料比1∶1.157(n醇∶n酸),催化剂用量4%,带水剂用量30 mL,酯化率达到87.4%.对固体超强酸催化剂的活性和再生性进行了考察,结果表明:用此固体超强酸催化合成氯乙酸高碳脂肪醇酯的活性和再生性良好.
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