反应详情

A reaction mixture of 1 mole of palmitate acid and 3 moles of n-butanol is transferred into a reaction flask. The reaction flask is equipped with a modified Dean and Stark distillation set-up, magnetic stirrer, condenser, dropping funnel and heating plate. 1 mole of toluene is added to the reaction mixture. 40 weight percent of acidic ion exchange resin (based on weight of acidic ion exchange resin/weight of palm fatty acid used) is added to the reaction mixture when it has reached the temperature 120° C. Concentration of active sites for the acidic ion exchange resins used is not less than 1.7 equivalents per litre or not less than 4.7 equivalents per kilogram. Heating continued for not more than 5 hours. Water formed as by-product of the esterification reaction is removed continuously by means of distillation with the aid of toluene while toluene is recycled continuously back to the reaction mixture.

1. customis transferred into a reaction flask
2. customThe reaction flask is equipped with a modified Dean and Stark distillation set-up, magnetic stirrer, condenser
3. temperatureheating plate
4. customthe temperature 120° C
5. temperatureHeating
6. waitcontinued for not more than 5 hours
7. customis removed continuously by means of distillation with the aid of toluene while toluene