化学研究与应用第35卷第35卷第4期2023年4月化学研究与应用ChemicalResearchandApplicationVol.35,No.4Apr.,2023文章编号:1007-1656(2023)04-0826-08羟基聚醚官能化杂多酸聚离子液体催化的连续酯化氧化合成环氧油酸甲酯张祥明1,张晓玲1,邹丽欣1,李心忠1,2,3,4∗(1.闽江学院材料与化学工程学院,福建福州350108;2.绿色材料与化工福建省高校工程研究中心,福建福州350108;3.福建省中国漆新型材料工程研究中心,福建福州3501084.福建省海洋传感功能材料重点实验室,福建福州350108)摘要:以乙二醇、环氧氯丙烷、三甲胺、三乙胺、三乙醇胺、H4SiW12O40、H3PW12O40为起始原料,经开环聚合、季铵化、分子自组装,构建了系列羟基官能化聚醚杂多酸聚离子液体HPIL-1~HPIL-6。聚离子液体兼具两亲活性、酸催化活性和氧化催化活性,以其为非均相催化剂,实现了油酸连续酯化、环氧化合成环氧油酸甲酯。当原料比n(甲醇)∶n(H2O2)∶n(油酸)∶n(聚离子液体)=500∶120∶40∶1,室温下酯化反应2.5h,65℃下环氧化反应4h,环氧油酸甲酯产率92%。聚离子液体经离心分离、溶剂洗涤、真空干燥即可再生循环使用,循环使用5次,催化活性基本保持不变。关键词:聚离子液体;杂多酸;酯化;环氧化;环氧油酸甲酯中图分类号:O621.4文献标志码:ASynthesisofepoxymethyloleatecatalyzedbyhydroxylfunctionalizedheteropolyacidbasedpolyionicliquidviacontinuousesterificationandepoxidationZHANGXiang-ming1,ZHANGXiao-ling1,ZOULi-xin1,LIXin-zhong1,2,3,4∗(1.SchoolofMaterialsandChemicalEngineering,MinjiangUniversity,Fuzhou350108,China;2.GreenMaterialsandChemicalEngineeringResearchCentreofFujianProvinceUniversity,Fuzhou350108,China;3.FujianEngineeringResearchCenterofChineseLacquerMaterial,Fuzhou350108,China;4.FujianKeyLaboratoryofFunctionalMarineSensingMaterialsResearch,Fuzhou350108,China)Abstract:Aseriesofhydroxylfunctionalizedheteropolyacidbasedpolyionicliquidsweresynthesizedusingethyleneglycol,epi-chlorohydrin,trimethylamine,triethylaminetriethanolamine,H4SiW12O40andH3PW12O40asstartingmaterialsviaring-openingpoly-merization,quaternizationandself-assemblyinwater.Thesecompoundsexhibitedsurfaceactivity,oxidativecatalyticactivity,whichactedasefficientrecyclablecatalystrealizedthecontinuousesterificationandepoxidationofoleica...
