摘要
以氨基磺酸为催化剂,由柠檬酸和正戊醇合成了新型增塑剂柠檬酸三戊酯,产品采用活性炭脱色,通过单因素和正交试验考察各因素对反应的影响。结果表明,当柠檬酸与正戊醇物质的量比为1:5.0、氨基磺酸用量为柠檬酸质量的1.0%、回流温度(135～145)℃和反应时间4 h条件下,柠檬酸三戊酯收率达90%以上。产品经红外光谱定性分析。纯度经气相色谱分析大于99.0%。
Tri（n-amyl） citrate was synthesized from citric acid and n-amyl alcohol using aminosulfonic acid as the catalyst. Effects of different factors on the reaction were investigated by single-factor and orthogonal experiment. The optimum condition was obtained as follows： citric acid to n-amyl alcohol molar ratio 1 ： 5.0, dosage of the catalyst = 1% of the mass of citric acid ; reaction time 4 h, reaction temperature （135 -145） ℃. Tri（n-amyl） citrate yield of over 90% was attained. The product was identified by IR. Product purity of over 99.0% was determined by GC.
出处
《工业催化》
CAS
2010年第2期67-70,共4页
Industrial Catalysis
基金
茂名学院自然科学基金(203257)
关键词
精细化学工程
氨基磺酸
柠檬酸三戊酯
催化合成
fine chemical engineering
aminosulfonic acid
tri （n-amyl） citrate
catalytic synthesis
