乙二醇葡萄糖苷的合成研究

Study of synthesis of glycol polyglucoside by maize starch

研究了淀粉与乙二醇在酸性催化剂下合成乙二醇葡萄糖苷的工艺 ,考察了反应温度、糖醇摩尔比、催化剂用量、反应时间和反应压力等因素对反应和产品结果的影响 ,确立了较佳的工艺条件和参数 :反应温度为 110℃ ,压力为 6 65kPa ,催化剂与经折合的淀粉中葡萄糖单元摩尔比为 0 0 3∶1,醇糖元摩尔比为 6∶1,反应时间为 90min ,中和剂为NaOH。

In the presence of acid catalyst,synthesis process of glycol polyglucoside has been studied with starch and glycol as raw material.In the reaction process,the influences of various factors,such as reaction temperature,the male ratio of glycol to glucose units in maize starch,amounts of catalyst,reaction pressure and so on,have also been investigated.Better process conditions and parameters have been founded.The results are that reaction temperature is about 110 ℃,reaction pressure is 6 65 kPa ,the male ratio of catalyst,glycol to glucose unit of starch is about 0 03∶6∶1(mol∶mol∶mol),reaction time is about 90 min and neutralization agent is NaOH.