聚碳酸酯超疏水表面的构建及其表征

ENGINEERINGPLASTICSAPPLICATION40420124Vol.40No.4Apr.201269510640X°FabricationandSurfaceCharacterizationofSuperhydrophobicPolycarbonatePlateWanMangAnalyticalandTestingCenterSouthChinaUniversityofTechnologyGuangzhou510640ChinaSolventinducedcrystallizationwasemployedtofabricatesuperhydrophobicsurfaceonpolycarbonatePCplatesurface.SEMphotosindicatedthattheplatesurfacewascoveredbyglobe-likeaggregateswithdiameterofaboutseveralmicronsandtheaggregateswerealsocomposedofnano-sizedpetals.Thesurface3Danalysisconfirmedthegreatincreaseofsurfaceroughness.XRDpatternindicatedthesecondarycrystallizationofPCchainunderinducementofacetone.ContactanglemeasurementsconfirmedthatthecontactangleofthePCplatesurfaceaftertreatmentwithacetonewas153°whichrevealedexcellentsuperhydrophobicproperty.Thismethodofferedtheadvantageofsimpleprocesswellrepeatabilitylowcostandbroadapplicationprospects.polycarbonatesuperhydrophobicsolvent-inducedcrystallization12310m23150°4–690°78–PCPC9PCPCPCSEMXXRD2012-01-152012404703DPCSEM1530VPLEO3DBMTExpert3DBMTXRDD8AdvanceBrukerOCA40MicroDataphysicsPC10PC2cm2cmN2PCSEMPCSEM5kV3DY5mm200mmXRDXCuKαλ=0.1542nm2θ5.0°65.0°40kV40mA1PCSEM1aPC1b1cPCSEM35mPC1d1cSEMSEMPCabcda–bcd–1PCSEM23PCPCZ0.085m0.87mPC2PC3PCXPC7111PC12Hoffmann13PCPCPCPCPCPC4PCXRD4PCPC2θ17.1°25.7°PC14PC2θ=17.1°020X4PCXRD90°90°150°5PCaba–b–5PCPC88°PC153°CassieCassiecoscosff12rii=-1f1f2f1+f2=1θθr1f20.894f10.106PCPC10.6%89.4%CassiePCPCPCPC153°PC1NeinhuisCBarthlottW.Characterizationanddistributionofwater-repellentself-cleaningplantsurfacesJ.AnnBot1997796667–677.2BarthlottWNeinhuisC.PurityofthesacredlotusorescapefromcontaminationinbiologicalsurfacesJ.Planta199720211–8.3ZhaoNXuJXieQetal.Fabricationofbiomimeticsuperhydrophobiccoatingwithamicro-nano-binarystructureJ.MacromolRapidCommun200526131075–1080.4FengLLiSHLiYSetal.Super-hydrophobicsurfacesfromnaturaltoartificialJ.AdvMater200214241857–1860.5GuoZGZhouFHaoJCetal.Stablebiomimeticsuper-hydrophobicengineeringMaterialsJ.JAmChemSoc20051274515670–15671.6ErbilHYDemirelALAvciYetal.TransformationofasimpleplasticintoasuperhydrophobicsurfaceJ.Science20032991377–1380.7.J.200322121258–1262.2012404728RoachPShirtcliffeNJNewtonMI.ProgressinsuperhydrophobicsurfacedevelopmentJ.SoftMatter200842224–240.9.J.200126922–25.10.D.2007.11SohnSAlizadehAMarandH.Onthemultiplemeltingbehaviorofbisphenol-ApolycarbonateJ.Polymer200041258879–8886.12KnaussDMYoonTHMcGrathJE.Polycarbonatenetworks.Part2.CurestudyanddeterminationofmechanicaladhesiveandcrystallizationpropertiesJ.Polymer200243246415–6420.13HoffmanJDMillerRL.KineticofcrystallizationfromthemeltandchainfoldinginpolyethylenefractionsrevisitedtheoryandexperimentJ.Polymer199738133151–3212.14.J.2005211160–163.HwaseongGyeonggi-do23700m23004LEDJeromeA.PeribereOLEDOLED193nm300nm193nm25%2000t123350%34501.79t201312.11t201532.71t450