日用化学工业2016，Vol.46Issue(4)：204-207,211,5.DOI:10.13218/j.cnki.csdc.2016.04.005
甜菜碱表面活性剂的合成及其胶束催化乙酸酯水解的研究
Synthesis of betaine surfactant and its micellar catalysis action on alkaline hydrolysis of acetic esters
周杨 1潘忠稳 1陈赓 1孙硕1
作者信息
- 1. 安徽大学化学化工学院，安徽 合肥 230601
- 折叠
摘要
Abstract
Two kinds of betaine surfactant (C -12 and C -16 )were synthesized in laboratory. Alkaline hydrolysis of ethyl acetate and amyl acetate,under 25 ℃ in micellar solution of C-12 and C-16 separately was studied in accordance with electric conductivity method. In case without use of surfactant,the hydrolysis rate constant (k)of ethyl acetate and amyl acetate is 0.111 and 0.082 L/(mol·s)respectively. In case surfactant is used and the concentration of surfactant is 8 × 10 -4 mol/L,the k of ethyl acetate and amyl acetate to C-12 is 0.183 and 0.112 L/(mol ·s)respectively,and the corresponding to C -16 is 0.226 and 0.135 L/(mol·s)respectively. The results indicated that C-12 and C-16 can catalyze the hydrolysis of acetates. Under same conditions,the rate of hydrolysis for ethyl acetate is faster than amyl acetate.关键词
甜菜碱表面活性剂/乙酸酯/水解/胶束催化Key words
betaine surfactant/acetate/hydrolysis/micellar catalysis分类
化学化工引用本文复制引用
周杨,潘忠稳,陈赓,孙硕..甜菜碱表面活性剂的合成及其胶束催化乙酸酯水解的研究[J].日用化学工业,2016,46(4):204-207,211,5.
