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,22,1,20053JournalofZhejiangSci2TechUniversityVol.22,No.1,Mar.2005:100924741(2005)0120021204:2004-08-02:(1980-),,,,2,,(,310018):-(PTFE),PTFEF;0.4mol/L,:;2;:TB43:A0(PTFE),,,,,,,,,,,;PTFE,1.8510-2N/cm[1]PTFEPTFE,:2[2]2,,-[3]-,25m,,-,PTFE-11.1PTFE,(CP),(AR),(AR),;JSM25610LV(JEOL),INCA(OxfordInstruments),DCA2322(THEMOCAHN),,,1.22[4],-,:600mL1000mL,76.8g,,13.8g,,,,515,2h,1.3PTFE2PTFE,NaPTFECF,PTFEF,:PTFE,25,-2s,,,1.4PTFE1.4.1PTFEOXFORDINCAPTFE,CFJEOLJSM25610LV,1.4.2PTFEDCA2322,PTFE,24,1.4.3PTFEGB/T71241986,(),YG065H,100mm,100mm/min21PTFE2/(molL-1)C/%F/%23.5770.140.223.6268.390.432.0353.780.636.5150.240.840.947.01.046.6641.242.1PTFE1,2,C,F2PTFECCCF,CF,F,F,C14PTFE,14,2,PTFE,,,F,,F,CC,,2.2PTFEPTFE222200522120.2mol/L30.4mol/L40.6mol/L2PTFE:()/(molL-1)12345143.1139.9141.1139.8143.6141.50.2136.8130129.4119.6126.5128.50.476.877.288.686.58081.80.689889184.67886.10.882.58888.487.487.686.81.0134.7128.8138.8137.8137.5135.52,PTFE,0.4mol/L,,PTFE-PTFEF,PTFEPTFE-,,PTFE,,0.4mol/L,PTFE2.3PTFE33PTFE:MPa/(molL-1)1234530.20.300.280.240.350.270.290.40.510.500.520.510.520.510.60.220.230.200.220.180.210.80.120.130.150.160.150.141.00.120.120.120.100.110.11:3,321:23,PTFE,,,0.4mol/L,;,,,,,0.4mol/L,PTFE3a)2,PTFE,,b)20.4mol/L:[1].[K].:,2001.[2],.[J].,1999,(4):193-196.[3].[J].,1996,(4):206-208.[4],.2[J].,1995,(3):139-141.RelationoftheSodium2NaphthaleneSolutionConcentrationandtheEffectofModifiedPTFEMembraneZHENGJun,LIMao2song,ZHOUWen2long(CollegeofMaterialsandTextiles,ZhejiangSci2TecUniversity,Hangzhou310018,China)Abstract:Adoptthesolutionofsodium2naphthalenetomodifythePTFEmicroporemembraneandformalayerofloosecrustonthesurfaceofthePTFEmicroporemembrane.TheEDSanalysisindicatesthecontentoftheFelementinthemembranesurfacefallsnotably.Thetestofcontactangleandshearingstrengthshows0.4mol/Listheoptimalcondi2tion,underwhichthehydrophilicityandadhesivenessofthemembranehavegotanobviousimprovement.Keywords:Polytetrafluoroethylene(PTFE);Solutionofsodium2naphthalene;Surfacemodification(:)(20)ThermalAnalysisontheLowMeltingPointPolyesterLUOHai2lin,CHENGZhen2juan,QINWei2ming(CollegeofMaterialsandTextiles,ZhejiangSci2TecUniversity,Hangzhou310018,China)Abstract:AseriesofmodifiedPETsamplesandthesePETsamplesafterprecrystallizingareanalyzedbymeansofDSC.Theeffectsofdifferentmodifiedcompositionsonthepropertyoftheco2PET,suchasglasstransitiontemperature,crystallizationandsoon,arediscussed.Sotheresultsofthesemodifiedcompositionsonthelowmeltingpointpolyestercanbegot.Someoptimumprocessingparametersaboutmanufacturingthelowmeltingpointpolyestercanalsobeob2tained.Keywords:Lowmeltingpointpolyester;DSC;ModifiedPET(:)42200522