短碳链烷基多糖苷的合成技术研究

A Study on the Synthesis of Short Chain Alkyl Polyglycosides

以葡萄糖和正丁醇为原料 ,考察了此非均相反应体系中反应温度、催化剂对合成短碳链烷基多糖苷的反应过程的影响。结果表明 ,在最佳工艺条件时 ,糖的转化率可达 99.5%。反应动力学研究的结果显示 ,该反应为假一级反应 ,其表观反应速率常数 k=0 .0 4 0 36,活化能 Ea=371 0 6J/mol。

A process for synthesis of short line alkyl polyglycosides from butyl alcohol and anhydrous glycose at different temperature and catalyst were studied.It was shown,at the batter reaction condition.the percent conversion of glycose is 99.5%.It has been found that this reaction is pseudo one stage reaction by study of reaction kinetic,and the apparent reaction rate constant k=0.04036,and the energy of activation Ea=37106J/mol.