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SFC2010No.3/215123155℃。。。10min。TQ342.41A1001-7054201003-0031-04PVA、、、、、[1]。SF18。10SF[2,3]。。、、、。、、。PVASFPVASF。。SFPVA。11.1≥93%、、≥98%。。1、。11.2PVA/SF1.2.1SF0.5%Na2CO32009-11-092009-12-24。FiberResearchFiberResearchFiberResearch31SFC2010No.31h3CaCl2/H2O/C2H5OH1∶8∶260℃、ABSSF。SF13%SF。1.2.2PVA7%PVA。SF60℃4hAgNO320℃20hPVA/SF。1.2.318cm20kV。24h。1.3155℃PVA/SFAg+Ag。1.4S-570SEMH-600TEMU-3010X'Pert-ProMPDX-。2。PVA/SF[4]。2.1PVA/SFPVA/SFPVAPVA。HongPVAPVAAg+[5]。PVAAg+。5min。Ag+Ag。25min2%PVA/SF80∶20SEM。。。35min1%PVA/SF90∶10TEM。1.5~2.5nm3.5~4.5nm。Ag+。。5min155℃。22%PVA/SF(80:20)SEM2.2PVA/SF41%PVA/SF80∶20-。400nm。FiberResearch32SFC2010No.32%PVA/SF80∶20X-5。SF18.9°20.7°PVA20°[6]。517.7°19.1°SFPVAPVASFPVA—OHSF—CO—NH—。35.9°、45.4°55.4°。200、111220X-。PVA/SF。41%PVA/SF80∶20-52%PVA/SF80∶20X-2.3PVA/SF2.3.161%2%TEM。61%2.0~3.0nm2%4.0~5.0nm。。6PVA/SF(80:20)TEM2.3.27TEM。3min5min31%PVA/SF(90:10)TEMFiberResearchFiberResearchFiberResearch33SFC2010No.310min。Ag+、7c。。a.3minb.5minc.10min72%PVA/SF(80∶20)TEM3PVA/SF。Ag+。10min。。[1].[J].2005,223602-605.[2].[J].200928196-102.[3].[J].200421111294-1295.[4]DaiL,LiJ,YamadaE.EffectofglycerinonstructuretransitionofPVA/SFblends[J].JApplPolymSci,2002,86:2342-2347.[5]HongKH,ParkJL,SulIH,etal.Preparationofantimicrobialpoly(vinylalcohol)nanofiberscontainingsilvernanoparticles[J].JPolymSciPolyPhys,2006,44:2468-2474.[6]LiM,LuS,WuZ,etal.Structureandpropertiesofsilkfibroin-poly(vinylalcohol)gel[J].IntJBiolMacromol,2002,30:89-94.AStudyonAgParticleDistributionofPoly(vinylalcohol)/silkFibroinBlendNanofibersContainingAgNanoparticlesLIWen-li,GUMing-bo,ZHANGWei-wei,WANGJian-jun,QINChuan-xiang,DAILi-xing(CollegeofChemistry,ChemicalEngineeringandMaterialsScience,SoochowUniversity,Suzhou,215123,Jiangsu,China)Abstract:Silkfibroin(SF)andpolyvinylalcohol(PVA)solutionwerepreparedrespectivelybyformicacidandwaterassolvent,andthenblendthesolution,addingparticularratioofsilversalt.ThePVA/SFnanofiberscontainingsilvernanoparticleswerepreparedbyelectrospinning.Thesizeofthenanoparticlescouldbecontrolledbythecontentofsilversaltandthetimeoftheheat-treated.Selectedsampleswereinvestigatedbyscanningelectronmicroscopy(SEM)andtransmissionelectronmicroscopy(TEM)toevaluatethenanofibersandnanoparticlesmorphology.Resultsshowedthatthesizeofthenanoparticlesincreasedwiththeincreasingofsilversaltproportionandthetimeoftheheat-treated.Butwhenthetimeofheat-treatedincreasedto10min,thesizeofsilvernanoparticlesincreaseddistinctlyandthenanoparticlesaggregatedtogether.Keywords:poly(vinylalcohol),silkfibroin,electrospinning,AgnanoparticleFiberResearch34