不同升温速率下绿原酸热分析动力学和热解产物研究

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中图分类号： TS4l+1 文献标识码：A

文章编号：1007-5119（2025）04-0060-09

Abstract：Tohaveanin-depth understandingofthe pyrolysis processandthepyrolysis productreleaselawofchlorogenicacid in tobao，teefectsofeatingratesontepyolsisbhaviorthalaalysisineticsndpyrolysisproductsofclorogeicacid were investigatedbyTG-FR-GC/MS，coupling withthetheralaalysiskineticsmethodsofFlyn-Wal-Ozawa （FWO），Kisine Akahira-Sunose（KAS），and Coats-Redfern. Theactivation energy Ea and exponential factor A in three pyrolysisstages of chlorogenic acidat diferentheatingrates werecalcuatedbythe methodofFWOKASandCoats-Redfer.It wasinferedfromthecalculation resultsthat thepyrolysis mechanismsofchlorogenicacidin treepyrolysisstageswre three-dimensionaldiffusioncontrolMample singlelinerule，thethree-dimensionaldifusionsphericalsymmetricJanderequation，andthetree-dimensionaldifusionG-B equation，respectively.FTRspectroscopyshowedthatpyrolysisproductsofchlorogenicacidinanitrogenatmosphereainly included CO2 ，a small amount of CO，and typically absorbed -OH functional groups from H2O ，phenol，and carboxylic acids.GC/MS resultsdicatedthat theheatingratehasalitleefectonthechemicalcategoriesofpyrolysisproducts，buthasacertainpacton the content of pyrolysis products.The main categories of chlorogenic acid pyrolysis product of at 360∘C included phenols benzene derivatives，furans，etonesaldehdes，terocycles，tc.Tisesearchcanproideelevantpyolsisprametersforteercal simulationofcigarete products，whichcouldguidethedesignof“heatednotburn”tobaccoproductsandtraditionalcigarette products.

Keywords： chlorogenicacid;heatingrate; thermal analysis kinetic; pyrolysis products;TG-FTR-GC/MScoupling technology; cigarette

绿原酸（Chlorogenicacid，CGA）是由植物产生的一种酚类次生代谢产物，在烟草、咖啡和茶等植物中含量较丰富[1-3]，也称为 5-O-咖啡酰基奎宁酸（IUPAC编号5-CQA）[2.4]。（剩余17121字）