机构地区: 湖南理工学院化学化工学院
出 处: 《石化技术与应用》 2004年第1期33-34,45,共3页
摘 要: 用水合硫酸钛替代传统液体无机酸催化合成了2$C乙氧基乙醇醋酸酯。考察了影响该反应的多种因素,于冰醋酸0.2mol,乙二醇单乙醚0.26mol,反应时间80min,Ti(SO4)2·4H2O用量0.8g,油浴温度120℃,15mL环己烷作带水剂,酯化率可达98.6%,且产物色泽好,催化剂易回收,可多次重复使用。 The 2-ethoxyethanol acetate was synthesized with Ti(SO_4)_2·4H_2O as catalyst to replace the traditional liquid inorganic acid. The conditions affected on the reaction were studied. The esterification degree was 98.6% when acetic acid was 0.2mol, glycol monoethyl ether was 0.26mol, reaction time was 80min, Ti(SO_4)_2·4H_2O was 0.8g,oil bath temperature was 120 ℃ and cyclohexane was 15mL. The catalyst could be recovered easily and reused for many times.