It was studied on the course of auto-conversion of the alkanolamide which prepared by differents raw and coconut oil,bean oil,rape oil,oleic acid reacting with diethanolamine by IR spectrometry.

• 用红外光谱分析法对不同原料如乌柏脂、椰子油、豆油、菜油和油酸等同二乙醇胺反应制备的烷醇酰胺产品，在放置过程中的自动转化进行了研究。