多酰胺的合成及防锈性能  

Preparation of a Polycarboxylic Acid Amide and its Rust Resistance

作　　者：周石柔[1] 徐中海[1] 邓兰青[1] 陈雷[1] 

机构地区：[1]岳阳职业技术学院医学基础部,中国岳阳414000

出　　处：《湖南师范大学自然科学学报》2013年第6期48-51,共4页Journal of Natural Science of Hunan Normal University

基　　金：湖南省自然科学基金资助项目(08JJ3019);湖南省教育厅基金资助项目(11C1287)

摘　　要：米糠油酸中的油酸、亚油酸在较高温度下与马来酸酐发生反应生成加合物,再与醇胺反应生成醇酰胺,考查了反应条件对产物防锈性能的影响.较好的合成条件为:n米糠油酸∶n马来酸酐∶n二乙醇胺=3.5∶1.0∶5.7,其中第一步反应温度190℃,时间2 h;第二步反应温度165℃,时间3 h,在该条件下所得产物0.5%的水溶液防锈等级为0级.中间体及产物的红外光谱与预期结构相符.At higher temperature reaction adduct of maleic anhydride with oleic acid and linoleic acid in rice bran oil was obtained , and alcohol amid was resulted from the reaction of the adduct with alcohol amine .The effect of reaction conditions on the rust resistance of corresponding product was investigated .The optimal synthetic condi-tions were as follows：n（rice bran oleic acid）∶n（maleic anhydride）∶n（diethanolamine） =3.5∶1.0∶5.7, the first step reaction is at temperature 190 ℃for 2 h;and the second step reaction is at temperature 165 ℃for 3 h.The 0.5%aqueous solution of products obtained under this condition has a rust level of 0.Infrared spectra of products and intermediates are consistent with the expected structures .

关 键 词：米糠油酸 马来酸酐 醇酰胺 防锈性能 

分 类 号：TG174.42[金属学及工艺—金属表面处理]