SO_4^(2-)/TiO_2催化环氧生物柴油制备环境友好润滑油的研究  

Synthesis of environment friendly lubricants by epoxy biodiesel using SO_4^(2-)/TiO_2 as catalyst

作　　者：潘晶晶[1] 任庆功[1] 徐庆瑞[1] 陈诚[1] 郑爱华[1] 李为民[1] 

机构地区：[1]常州大学石油化工学院,江苏常州213164

出　　处：《现代化工》2014年第2期78-81,83,共5页Modern Chemical Industry

基　　金：江苏省科技支撑计划(BE2012822)

摘　　要：以沉淀-浸渍法制备的固体酸SO42-/TiO2为催化剂,环氧生物柴油(环氧菜籽油甲酯)和异辛醇为原料,进行异构醚化催化开环反应,合成环境友好润滑油并对其结构进行表征;考察配料比、反应时间、反应温度及催化剂质量分数(催化剂质量/环氧生物柴油的质量)对环氧生物柴油开环反应的影响,得到较佳的反应条件,并对最终产品进行相关性能指标分析检测。结果表明:当反应时间为15 h,反应温度为90℃,醇油摩尔比为4∶1,催化剂质量分数为3%时,所合成的改性生物柴油的热稳定性好,可以作为润滑油使用。The SO42-/TiO2 solid acid are prepared by precipitation and impregnation,and their structures are characterized by using FT-IR and XRD.With epoxy biodiesel （epoxy rapeseed oil methyl ester） and isooctanol as raw materials and SO42-/TiO2 as catalyst,the environment friendly lubricants are synthesized by heterogeneous etherification ring-opening reaction.The influences of ratio of alcohol to oil,reaction time and temperature,and dosage of catalyst on the ring-opening reaction of epoxy biodiesel are studied.The optimal reaction conditions are shown as follows：15 hours of reaction time,90℃ of reaction temperature,4∶1 molar ratio of alcohol to oil and 3％ （mass of catalyst/mass of epoxy biodiesel） of catalyst.Under the optimized condition,the obtained modified biodiesel has good thermal stability can be used as lubricants.

关 键 词：固体酸 环氧生物柴油 开环反应 性能 

分 类 号：TQ645[化学工程—精细化工]