原位反应法制备丙烯酸钐丁腈橡胶复合材料及其荧光性能研究

ö,,,,,,(,100029)ö[Sm(AA)3öNBR].SEMTEM,,.,260nm,379nm(4D1ö2,6P7ö26H5ö2)418nm(4L15ö2,4G1ö26H5ö2)(374390nm),..,,30%.;;;O63A025120790(2004)0320570205:2003201210.:863(:2003AA324030),(:50173004).:(1969),,,,,.E2mail:[e-mail][1],.[2]()[3][4],..,,,,.,,.,,,.(NBR,N)(HAA)[5],,öNBR..11.1(Sm2O3),99.95%;2,5222,52()(DMBPH),90%,;41(NBR41),;(HAA).HitachiF24500,5nm;S250(SEM);H280021(TEM).1.2Sm(AA)3Sm2O31HAA,80,1h,,.,4050,.(,%):C29.40(29.75),H2.43(2.48),O26.24Vol.25No.320043CHEMICALJOURNALOFCHINESEUNIVERSITIES570574©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(26.45).Sm(AA)3.1.3Sm(AA)3öNBRm(NBR)m(DMBPH)=1003,m(Sm2O3)öm(HAA)Sm(AA)3.1.3.1NBR,Sm(AA)3NBR,.160.1.3.280Sm2O3HAANBR,,.160.22.1Sm(AA)3öNBR,SEMTEM.1SEM,4050Lm.2Sm(AA)3öNBRSEM,10Lm,,.Fig.1SEMimageofpureSm(AA)3particlesFig.2SEMimageofSm(AA)3inuncuredNBRblend3Sm(AA)3öNBRSEM,,.Fig.3SEMimagesofSm(AA)3incuredNBRcompositeFig.4TEMimagesofSm(AA)3incuredNBRcomposite,,,1Lm(4).,NBR.Sm2O3öHAAöNBRSEM(56),,,,175No.3:ö©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.öHAA,Sm(AA)3,,.,,,.2.2,,.;,.89NBRSm2O3,Sm(AA)3.Sm2O3Sm(AA)3,,Sm2O3Sm3+,Sm3+.Sm(AA)3AA,[6].X,Sm2O3Sm(AA)3,Sm3+,,.Fig.8EmissionspectraofpureNBR(a)(Kex=260nm)andpureNBRvulcanizate(b)Fig.9EmissionspectraofpureSm2O3(a)andSm(AA)3(b)(Kex=210nm)NBRPP3,,NBR(8).NBRSm2O3,Sm(AA)3,370420nm.10Sm2O3Sm2O3öNBRKex260370nm),,Sm2O3NBR,,275Vol.25©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(A)Kex=260nm;(B)Kex=370nm.,Sm2O345%,..Sm2O3öHAAöNBRSm(AA)3öNBR,370nm,450nm,,.260nm,2,379nm(4D1ö2,6P7ö26H5ö2)420nm(4L15ö2,4G1ö26H5ö2),(374,390nm)[7];Sm3+560nm(4G5ö26H5ö2),610nm(4G5ö26H7ö2),650nm(4G5ö26H9ö2),,Sm3+,[8].,Sm2O3öNBR,,Sm2O330%.,:(1)Sm(AA)3,,,,;(2)Sm(AA)3,,NBRCNSm,,,..Sm2O3öHAAöNBRSm(AA)3öNBR.Sm(AA)3öNBR,Sm2O3öHAAöNBRSm(AA)3,(7),,,.Sm(AA)3öNBR,,,,Sm(AA)3öNBR.,,ö.[1]YAOGuang2Qing(),ZHANGLiang(),SUMian2Zeng().Chem.J.ChineseUniversities()[J],1997,18(1):15[2]WANGLian2Hui(),ZHANGWen2Gong().JournaloftheChineseRareEarthSociety()[J],1999,20(3):5862[3]WANGLian2Hui(),ZHANGWen2Gong().Chem.J.ChineseUniversities()[J],1996,17(5):808811[4]LIULi,JINRi2Guang,ZHANGLi2Qunetal..JournalofRareEarth[J],2002,20(4):241248[5]KANGJie2Yuan(),ZHANGWen2Gong().Chem.J.ChineseUniversities()[J],2003,24(3):541546[6]TobitaS.,MasayukiArakawa,IkuzoTanaka.J.Phys.Chem.[J],1985,89(26):56495654375No.3:ö©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7]FUJun(),PANGMao2Lin(),WANGShu2Bin()etal..JournaloftheChineseRareEarthSociety()[J],2002,20(6):544547[8]YANGYue2Tao(),ZHANGShu2Yi().Chem.J.ChineseUniversities()[J],2003,24(4):666670StudiesonthePreparationofSm(AA)3öNBRCompositesbyinsituReactionMethodandTheirFluorescentPropertiesLIULi,ZHANGXiu2Juan,JINRi2Guang,YANGCheng,HELei,ZHANGWan,ZHANGLi2Qun3(KeyLaboratoryofBeijingCityonPreparationandProcessingofNovelPolymerMaterials,BeijingUniversityofChemicalTechnology,Beijing100029,China)AbstractTwomethodswereusedtopreparetheSm(AA)3öNBRcomposites.ThephotographsofSEMandTEMindicatedthatin2situreactionnotonlyreducedthesizesoftheparticlesbutalsomadethemwelldispersed.Thefluorescentresultsshowedthatthereweretwoemissionpeaksat379nm(4D1ö2,6P7ö26H5ö2)and418nm(4L15ö2,4G1ö26H5ö2)whenthecompositeswereexcitedbya260nmexcitation.Theemissionpeaksaresimilartothoseofthefreesamariumionat374nmand390nm,whichbelongtotheemissionofthecentralion.Thefluorescentintensityofthecompositespreparedbyinsitureactionmethodismuchstrongerthanthosemadebyothermethods.Moreover,thefluorescentintensityofthesecompos2iteswillbeenhancedwiththeincreaseofthecontentoftherareearthelementuntiltherareearthelementcontentreaches30%(massfraction).KeywordsSm(AA)3;NBR;Insitureaction;Fluorescentproperty(Ed.:W,Z)ChemicalResearchinChineseUniversitiesChemicalResearchinChineseUniversities(,),198470,52.3%,(,),90%(C.A.)EI,Compendex(P..),1992(ISI)SCIExpandedSCISearchResearchAlertChemistryCitationIndex,1999CurrentContentsöPhysical,Chemical&EarthScience,(JCR),2001012231992,1997,1999()ChemicalResearchinChineseUniversities2004,16(A4),112,,,80g,,9,54,,ISSN1005-9040CN22-1183öO6,12-170,(:1533Q):117;:130023E2mail:[e-mail];:043128499867;:043128925344475Vol.25©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3),539_542546AStudyof(BN)nFullereneandBNMono-layerNanotubesbyGraphicTheoryKEHong2Wei,ZHANGQian2Er3Chem.J.ChineseUniv.,2004,25(3),543_546559ANewMethodforSynthesisofDAR2HClandItsPolymerizationwithTerephthalicAcidZHANGChun2Yan,SHIZi2Xing3,ZHUZi2Kang,XUJi2PingChem.J.ChineseUniv.,2004,25(3),556_559564In