射流低温等离子体改性增强聚甲基丙烯酸甲酯薄膜表面亲水性研究

312010,43(6)蔡玲玲,王鑫国,方志(,210009):(PMMA),PM-MA,PMMA,,PMMA,,,,,,9,,:;;;PMMA;:TM206;TM213:A:1009-9239(2010)06-0031-05ImprovingtheHydrophilicityofPolymethylmetacrylateFilmSurfaceUsingColdPlasmaJetsinAirCAILing-ling,WANGXin-guo,FANGZhi(CollegeofAutomationandElectricalEngineering,,NanjingUniversityofTechnology,Nanjing210009,China)Abstract:Thesurfacesofpolymethylmetacrylate(PMMA)filmsweremodifiedbycoldplasmajetsinair,andthechangeinsurfacecontactangleandsurfaceenergyofthePMMAbeforeandafterthemodificationwerecompared.TheeffectsofmodificationtimeandmodificationdistanceonthehydrophilicityofPMMAsurfacewerestudied,andtheagingeffectoftreatedmaterialsthatareexposedinopenairwasmeasured,withthemodificationmechanismbeingdiscussed.Resultsshowthatthecontactangledecreasesandthesurfaceenergyincreaseswiththeincreaseofmodificationtime,andbothofthemreachsaturationvaluesasthemodificationtimeincreasestoacertainvalue.Itisfoundthatabettermodifyingeffectcanbeachievedbyreducingmodificationdistancewhenthemodificationtimeiskepttobeconstant.AgingeffectoccursonthePMMAsurfaceaftermodification,butthevalueofwatercontactangleisstillmuchlowerthanthatofuntreatedoneevenafter9daysstorageinambientair.Keywords:coldplasma;jet;surfacemodification;polymethylmethacrylate(PMMA);hydrophilicity1,,,,[1-2](),,,,[3-5],:2010-07-15:(50707012);:(1987-),,,,,()[e-mail];(1977-),,,,:322010,43(6),,,,,,,,,,[6],,[7-10](PMMA),,,22.111,,,50Hz220V,3.5kV,100kHz,1kVA,8mm,12mm,1mm,200mm,,2900r/min,1.05m3/min,,,,2,,12cm,,,20.5mmPM-MA60mm60mm,,10min,,3,,60mm80mm100mm3,PMMA32.2JC2000C8:332010,43(6)/,3mm,,,2L,5(2s),Owens,[11-12]:rl(1+cos)=2(rPlrPs)1/2+2(rDlrDs)1/2(1)rl=rPl+rDl(2)rs=rPs+rDs(3),rl,rPlrDl;rs,rPsrDs1,,(1)rs1(mJ/m2)33.14,PMMA44,,PMMA;,,;,,60mm,,20s,,83.542.5,,,,PMMA3(60mm80mm100mm),20s30s40s,(),(),,,,,,,,,,(4),[13-16]3.2PMMA,(1)(2)(3),PMMA,555,,PM-MA,;,,,60mm,:342010,43(6)(20s),,420s,30.141mJ/m261.045mJ/m2,,,,,,(),,,,,,,,,,45,,,,,,,,,45,,,PMMA660mm,PMMA6(60mm)6,,,,PMMA3.3,PMMA,PMMA(60mm),,77,PMMA3,96,,20s,9,68,(83.5)7PMMAPMMA:,,PM-MA,;,PMMA,,4,,PMMA,,PMMA,,,:352010,43(6),60mm,20s,,PMMA83.542.5,30.141mJ/m261.045mJ/m2,PMMA3,9,,68,:[1]LaimerJ,HerbertS.RecentAdvancesintheResearchonNon-equilibriumAtmosphericPressurePlasmaJets[J].PlasmaProcessesandPolymers,2007,4(3):266-274.[2]SchutzeA,JeongJY,BabayanSE,etal.TheAtmosphericPressurePlasmaJet:AReviewandComparisonTootherPlasmaSources[J].IEEETransactionsonPlasmaScience,1998,26(6):1685-1694.[3],,,.[J].,2006,39(6):42-46.[4]FangZ,HaoL,YangH,etal.PolytetrafluoroethyleneSurfaceModificationbyFilamentaryandHomogeneousDielectricBarrierDischargesinAir[J].AppliedSurfaceScience,2009,255(16):7279-7285.[5]WagnerHE,BrandenburgR,KozlovKV,etal.TheBarrierDischarge:BasicPropertiesandApplicationstoSurfaceTreatment[J].Vacuum,2003,71(3):417-436.[6],,.PBO[J].,2009,6:17-20.[7]NohJH,BaikHK,NohI,etal.SurfaceModificationofPolytetrafluoroethyleneUsingAtmosphericPressurePlasmaJetforMedicalApplication[J].SurfaceandCoat_ingsTechnology,2007,201(9-11):5097-5101.[8]SunP,PanJ,TianY,etal.ToothWhiteningWithHydrogenPeroxideAssistedbyaDirect-CurrentColdAtmospheric-PressureAirPlasmaMicrojet[J].IEEETransactionsonPlasmaScience,2010,38(8):1892-1896.[9]PengS,GaoZ,SunJ,etal.InfluenceofAbsorbedMoistureonSolubilityofPoly(vinylalcohol)filmDuringAtmosphericPressurePlasmaJetTreatment[J].SurfaceandCoatingsTechnology,2010,204(8):1222-1228.[10],,,.[J].,2009,35(3):632-635.[11],,.[J].,2004,37(3):26-28.[12],,,.[J].,2010,36(2):417-422.[13].[M].:,2001.[14]GeorgescuN,LupuAR.TumoralandNormalCellsTreatmentwithHigh-voltagePulsedColdAtmosphericPlasmaJets[J].IEEETransactionsonPlasmaScience,2010,38(8):1949-1955.[15]IonitaER,IonitaMD,StancuEC,etal.SmallSizePlasmaToolsforMaterialProcessingatAtmosphericPressure[J].AppliedSurfaceScience,2009,255(10):5448-5452.[16],,,.[J].,2010,43(2):57-60.(上接第30页);40%,,,,,40%4,,,/,40%,,/,,:[1],.[C].,,2004.[2]HeartS.EnvironmentalImpactsanduseofBrominatedFlameRetardantsinElectricalandElectronicEquipment[J].TheEnvironmentalist,2008,28:348-357.[3],,.[J].,2000,15(2):12-14.[4],.[J].,2009,18(2):58-61.[5],,.[C].,,2008.[6],,.[J].,2009,11:19-22.: