环氧树脂的NMR表征

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:100023851(2000)0120015204CH2OCHCH2OaCCH3CH3OCH2CHOHCH2OeC8C9H3CH37654OC3H2CH2OC1H2(1):1998205219;:1998211212:(1962),,,,.NMR(,250031):1H13CE251AG280TDE285,COSY1H213C:;;;NMR:TB324:ANMRCHARACTERIZATIONOFEPOXYRESINJIKe2jianLIUYuan2junZHANGYin2shengDENGWei2hua(The53rdInstitute,OrdnanceIndustryofChina,Jinan250031)Abstract:ThestructuresofepoxyresinsofE251(bisphenol2Adiglycidylether),AG280(tetraglycidyldiaminodiphenylmethane),TDE285(cycloaliphaticaromaticglycidleester)werecharacterizedby1Hand13CNMR,andassignmentsofthepeaksweremadebymeansof1H21Hhomo2nuclearshiftcorrelation(COSY)1H213Cchemicalshiftcorrelation(HETCOR).Keywords:epoxyresins;chemicaldrift;NMR,,,,[15][6,7][810],1H13C,E251TDE285AG280,1H21H(COSY)1H213C(HETCOR)11.1E251,;AG280,;TDE285,1.2:VarianUNITYINOVA2300:1H300MHz,2s,3Ls,7s;13C75.43MHz,1.8s,8.7Ls,7s20;CDCl3;DTMS022.1E-51E,:ACTAMATERIAECOMPOSITAESINICA17122000Vol.17No.1February20001E2511HFig.11HspectrumofE251epoxyresin2E251COSYFig.2COSYspectrumofE251epoxyresin12E2511HCOSY12,D6.8D7.1,,,E,p,p2P,,5,,5,Satler[NMR1H2641],D6.8H25;D1.6,;Satler[NMR1H16],D2.7D2.9,D3.9D4.2,;D3.3111HTable1The1HpeakassignmentsforepoxyresinsGroupsChemicalshiftDöppmE251AG280TDE28512.7,2.92.6,2.82.6,2.823.33.23.333.9,4.23.4,3.73.9,4.5456.86.73.067.17.02.373.283.891.63E25113CFig.313CspectrumofE251epoxyresin4E251HETCORFig.4HETCORspectrumofE251epoxyresinE,9,13C(3)9,D705,,;D1104,,,,HETCOR(4),,,261213CTable2The13CpeakassignmentsforepoxyresinsGroupsChemicalshiftDöppmE251AG280TDE285E251AG280TDE285145.245.845.0250.651.151.8369.153.566.04156.7147.0173.05114.4113.038.06128.2130.125.17144.0131.149.6842.040.2931.45AG2801HFig.51HspectrumofAG280epoxyresin6AG280COSYFig.6COSYspectrumofAG280epoxyresin2.2AG-80AG280(),:NCH2CHCH2OCH2CHCH2OC8H27654NCH32CH2OCH12CH2CHOCH2(2)56AG2801HCOSYCOSY,E251,:D2.6D2.8,D3.4D3.7,D3.2,D3.8(),D6.7H251H1AG2808,,,(C24)HETCOR(8),13C(7),27AG28013CFig.713CspectrumofAG280epoxyresin8AG280HETCORFig.8HETCORspectrumOFAG280epoxyresin2.3TDE-85E,TDE285,:O765CO4OCH23CH2CH21OCOOCH2CHCH2O(3)910TDE2851H71,:NMR9TDE2851HFig.91HspectrumofTDE285epoxyresin10TDE285COSYFig.10COSYspectrumofTDE285epoxyresinCOSY10,D4.5D3.9,D3.0D2.3,D2.8D2.6TDE285,E251AG280,,D2.6D2.8H21;D3.9D4.5H23;,D2.3(H26),,D3.0(H25);D3.2D3.3,,(H27)(H22),D2.4(H27)1TDE28513C(11),D172.6,D25.1,HETCOR(12),(2),E251TDE285AG2801H13C,C3H2CH2OC1H211TDE28513CFig.1113CspectrumofTDE285epoxyresin12TDE285HETCORFig.12HETCORspectrumofTDE285epoxyresin,121H13C,31H13C,,,1H13C,,1H13C[1],,,.[J].,1987(4):23.[2],,,.[J].,1995,4(1):18.[3],,,.2[J].,1996,13(1):21.[4]ColeKC.RoomtemperatureagingofNarmco5208carbon2epoxyprepreg:partIphysicochemicalcharacterization[J].PolymerComposites,1989,10(3):150.[5].IR[J].ö,1990(5):25.[6],,,.[J].,1997,11(4):419.[7],,,.5E[J].,1997,14(4):14.[8]KingJJ.HPLCEvaluationofMY720[C].27thSAMPE,1982.163.[9]NoelD.High2performancesize2exclusionchromatographyoffiber2reinforcedorganic2matrixcomposites[J].JofChromatography,1987,408:129.[10]NoelD.High2speedreverse2phaseliquidchromatographywith3Lmpackingforanalysisoffiber2reinforcedepoxycompositesformulations[J].JofAppliedPolymerScience,1986,32:3097.81

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