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1、聚芳醚砜的功能化與性能研究1得光敏磺化聚芳醚砜接枝共聚物CMPSF-HC-g-PSSA。主要通過HNMR對聚合物的結構進行表征，并分析反應溫度、反應時間以、單體加入量以及助催化劑對聚合物離子交換容量的影響。結果表明，該ATRP反應的最適溫度是130℃，反應時間越長，聚合物的離子交換容量越高。這樣就為光敏磺化聚芳醚砜在燃料電池上的應用做了更加充分的理論支持。關鍵詞：氯甲基化聚芳醚砜，ATRP，光交聯，磺化聚合物，離子交換膜II中南民族大學碩士學位論文ABSTRACTPolusulfone(PSF)asonekindofhighperformancem
2、aterialexhibitshighmechanicalproperties,goodelectronicinsulatingandthermalresistance,aswellasgooddimensionalstabilityandexcellentwaterstability.PSFcanbeusedinphoto-sensitivematerialandprotonconductivitymaterialandanyotherplaces.Thispaperusescommercialproductasthepolymermaincha
3、in,firsttosynthesizetheCMPSFbychloromethylation,thenCMPSFreactwiththreekindsofphoto-sensitivegroupstogetthephoto-sensitivepolysulfone,atlastthesulfonicgroupsaregraftedintothepolymerintwodifferentmethods.Theyarefourpartsinthispaper.1.WeusedBlancchloromethylationtomaketherigidit
4、ypolysulfonehaveactivegroups.ThechloromethylationusethechlorinemethyletherasthechlorinemethylationreagentandadoptingZnCl2ascatalyststogetthechloromethylatedpolysulfone(CMPSF).Wecanchangethereactionconditiontogainthebestreactionconditions.WesynthesizeserieskindsofCMPSFwithdiffe
5、rentchloromethylationratiosforthenext1reactionwiththefunctionalmonomers.ThepolymerswerecharacterizedbyFT-IR,HNMRanddifferentialscanningcalorimetry(DSC).2.Threedifferentkindsofphotosensitivemonomers4-hydroxychalcone,cinnamicacidand4-hydroxyethylchalconereactedwiththeCMPSFwhicht
6、hechloromethylationratiosis50%.WecangetthreekindsofphotosensitivepolymersCMPSF-HC,CMPSF-CMAandCMPSF-HECwiththephotosensitivegroupsintheside-chain.Theresultingpolymersexhibitedgooddissolvabilityandhighphotosensitivity.CMPSF-HCshowsthemaximumextentofphotoreactionforthepolymerfil
7、m,andthephotoreactionwasabout55.2%.3.Aseriesoffunctionpolymerwiththephotosensitivegroupsandthesulfonicgroupsintheside-chainweresynthesizedbynucleophilicsubstitutions.DifferentchalconeratioCMPSF-HCwerefirstsynthesizedbycontrollingthereactiontime,thenweusedNaOHasthecatalystandTB
8、ABasthephasetransfercatalyst,thesulfonicgroupsreactwiththechl
