含烯丙基的三元酚型苯并恶嗪的合成及性能_朱春(5)
时间:2026-01-19
时间:2026-01-19
2498高等学校化学学报Vol.35
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SynthesisandPropertiesofAllyl-containingTrisphenol-basedBenzoxazine
ZHUChunli1,BAIHaijian2,GENGPengfei1,WEIYanze1,LUZaijun1*
(1.KeyLaboratoryforSpecialFunctionalAggregatedMaterials,MinistryofEducation,
ShandongUniversity,Jinan250100,China;
2.ResearchInstituteofPetrochinaLanzhouPetrochemicalCompany,Lanzhou730060,China)
Abstract1,3,5-Tri(3-allyl-3,4-dihydro-2H-1,3-benzoxa-zinyl)benzene(tp-ala)wassynthesizedusingallylamine,para-formaldehydeandnewsynthesized1,3,5-tri(p-hydroxyl-phenyl)benzene.Thechemicalstructureoftp-alawascharacterizedbynuclearmagneticresonancespectroscopy(1HNMR,13CNMR),Fouriertrans-forminfraredspectroscopy(FTIR)andultravioletandvisibleabsorptionspectroscopy(UV-Vis).Thecuringbehavioroftp-alawasstudiedbydifferentialscanningcalorimetry(DSC)analysis.Thethermalandopticaltp-ala)wereobserved.Theresultsshowedthatbyintroducingtheallyl-group,propertiesofcuredtp-ala(P-theTgofP-tp-alawas322℃.5%masslosstemperaturewasat356℃andthecharyieldat800℃was61.4%,whichwerehigherthanthoseofthereportedtrisphenol-basedpolybenzoxazines.P-tp-alaalsoshowedphotoluminescentproperty.ThefluorescenceemissionwavelengthofP-tp-alaunderanexcitationat233nmwasat350nm.Inaddition,duetothehigharomaticcontentofP-tp-ala,P-tp-alahadahighrefractiveindexof1.6325.Thehighrefractive-indexcharacteristicmakesP-tp-alathermosetapotentialcandidateinantire-flectivecoating.Keywords
Allyl-containingtrisphend-basedpolybenzoxazine;Thermalproperty;Photoluminescentproperty
(Ed.:W,Z)
SupportedbytheNationalNaturalScienceFoundationofChina(No.21074067).
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