详细信息
文献类型:期刊文献
中文题名:两步法合成硬脂酸二乙醇酰胺
英文题名:Two-step Synthesis Method of Stearic Acid Diethanolamide
作者:卿宁[1];田禾[1];张晓镭[2];孙根行[2];俞从正[2]
机构:[1]华东理工大学精细化工研究所,上海200237;[2]西北轻工业学院皮革工程系,陕西咸阳712081
年份:2000
卷号:26
期号:6
起止页码:650
中文期刊名:华东理工大学学报(自然科学版)
外文期刊名:Journal of East China University of Science and Technology
收录:CSTPCD;;国家哲学社会科学学术期刊数据库;Scopus;北大核心:【北大核心1996】;CSCD:【CSCD2011_2012】;
语种:中文
中文关键词:硬脂酸二乙醇酰胺;两步法;合成;表面活性剂
外文关键词:stearic acid; diethanolamide; two step synthesis; surfactant; leather
摘要:硬脂酸与二乙醇胺两步法合成硬脂酸二乙醇酰胺 ,通过条件优化实验找到了较佳合成工艺。其优化合成条件为 ,第一步反应温度 1 70~ 1 75°C,投料比 1 .7,反应时间 4~ 5h;第二步反应温度 95°C,催化剂用量 w=0 .0 1 5,反应时间 2 .5~ 3h。两步法得到产品纯度达 90 % ,与甲酯法相近 ,比一步法提高了 30 %。
Stearic acid diethanolamide is an oil soluble nonionic surfactant and has the function of thickening. It has better emulsion property for wax. As a coating additive, it can promote waxy and oily effect for the leather finishing. The two step synthesis of stearic acid diethanolamide gives the product as pure as the product of ester exchanging method. The proper condition is as follows: the reaction was carried out at 170~175 °C with inventory ratio of 1.7 for 4~5h in first step and at 95 °C with catalyst for 2.5~3h in second step.
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