摘要
研究了硫酸氢钠对乳酸与丁醇酯化反应的催化作用 ,发现其最佳反应条件为 :催化剂用量 0 .2 g/0 .1 mol乳酸 ,酸醇摩尔比 1∶ 3,反应时间 2 .0 h,油浴温度 1 33～ 1 4 2℃ ,乳酸的酯化率可达 98.0 %。
With sodium hydrogen sulfate as catalyst n-butyl lactate was synthesized from lactic acid and n-butyl alcohol. The optimized conditions are as following: The amount of catalyst is 0.2 g per 0.1 mol lactic acid; the mole ratio of acid to alcohol is 1∶3; the reaction time is 2.0 h and the temperature of oil bath is 133~142℃. The esterification rate for lactic acid is about 98.0% under these conditions.
出处
《化学试剂》
CAS
CSCD
北大核心
2002年第5期303-304,共2页
Chemical Reagents
