棕榈酸羟基硬脂酸甘油二酯的合成研究  

Study on Synthesis of Palmitate Hydroxystearate Diglyceride

作　　者：钱国平 李春琼 吴江浩 张鑫[2] 沈晓军[2] QIAN Guoping;LI Chunqiong;WU Jianghao;ZHANG Xin;SHEN Xiaojun(Zhejiang Garden Biochemical High-Tech Co.,Ltd.,Dongyang 322121,China;Zhejiang Province Key Lab of Leather Engineering,Wenzhou University,Wenzhou 325027,China)

机构地区：[1]浙江花园生物高科股份有限公司,浙江东阳322121 [2]温州大学浙江省皮革工程重点实验室,浙江温州325027

出　　处：《西部皮革》2022年第9期27-31,共5页West Leather

基　　金：浙江省重点研发科技计划项目(2017C03055)。

摘　　要：以棕榈酸、12-羟基硬脂酸和甘油为起始原料,通过两步酯化法制备棕榈酸羟基硬脂酸甘油二酯;通过单因素试验确定最佳合成条件:两步酯化反应温度均为135℃、催化剂对甲基苯磺酸用量均为反应物总质量的0.3%、棕榈酸与甘油物质的量比为1.1∶1,12-羟基硬脂酸与棕榈酸摩尔比为1.1∶1,反应时间分别为4.5 h和5.0 h,在优化条件下目标产率可达90%以上。Using palmitic acid,12-hydroxystearic acid and glycerin as starting materials,palmitate hydroxystearate diglyceride has been prepared by a two-step esterification method.The optimum reaction conditions have been determined through single factor test:the esterification reaction temperature is 135℃,the amount of catalyst is 0.3%,the molar ratio of palmitic acid to glycerol is 1.1∶1,the molar ratio of 12-hydroxystearic acid to palmitic acid is 1.1∶1,and the reaction time is 4.5 h and 5.0 h for the first and the second esterification,respectively.Under the above conditions,the yield of the product can reach over than 90%.

关 键 词：棕榈酸羟基硬脂酸甘油二酯 12-羟基硬脂酸 棕榈酸 两步酯化 

分 类 号：TS529.4[轻工技术与工程—皮革化学与工程]