河北化工
河北化工
하북화공
HEBEI CHEMICAL ENGINEERING AND INDUSTRY
2012年
3期
31-32,57
,共3页
己二酸二乙酯%合成%对甲苯磺酸%催化
己二痠二乙酯%閤成%對甲苯磺痠%催化
기이산이을지%합성%대갑분광산%최화
diethyl adipate%synthesis%p-toluene sulfonic acid%catalysis
以对甲苯磺酸为催化剂,由乙醇和己二酸通过酯化反应合成了己二酸二乙酯。研究了反应时间、不同带水剂和不同乙醇对己二酸二乙酯产率的影响。并用折光率、红外光谱对己二酸二乙酯进行表征。其最佳反应条件为：酸醇摩尔比为1∶6,对甲苯磺酸用量为0.40 g,苯用量为20 mL。收率为70.8%。
以對甲苯磺痠為催化劑,由乙醇和己二痠通過酯化反應閤成瞭己二痠二乙酯。研究瞭反應時間、不同帶水劑和不同乙醇對己二痠二乙酯產率的影響。併用摺光率、紅外光譜對己二痠二乙酯進行錶徵。其最佳反應條件為：痠醇摩爾比為1∶6,對甲苯磺痠用量為0.40 g,苯用量為20 mL。收率為70.8%。
이대갑분광산위최화제,유을순화기이산통과지화반응합성료기이산이을지。연구료반응시간、불동대수제화불동을순대기이산이을지산솔적영향。병용절광솔、홍외광보대기이산이을지진행표정。기최가반응조건위：산순마이비위1∶6,대갑분광산용량위0.40 g,분용량위20 mL。수솔위70.8%。
Diethyl adipate was synthesized through esterification reaction from ethanol and the adipic acid with p-toluene sulfonic acid as catalyst.The effects of reaction time,different water-carrying agent and different ethanol on the yield of diethyl adipate were discussed.And ester was characterized by using refractive index and infrared spectrum.The best reaction conditions were as follow： ratio of acid to alcohol was 1∶6,amount of p-toluenesulfonic acid was 0.40 g and benzene was 20 mL.The yield could reach 70.8%.
