超疏水高分子材料表面的微结构设计及其可调的黏附性-陈安伏

320153ACTAPOLYMEＲICASINICANo．3Mar．2015245*2014-06-252014-08-1220120172110001．＊＊[e-mail]10.11777/j．issn1000-3304.2015．14235*＊＊510640．2224．6150°5.5°90°．．、/1．CA150°ＲA5°“”2．3CA150°ＲA90°．“”2008Jiang45～8．、、、、9～111213．、、、-、114～18．、、．19、．Bormashenko5．Feng4Karaman6．μ-ICMμ-IM、、、CD、DVDμ-IM2021．μ-ICM7822．μ-ICMPP278．24μ-ICMPP．、2015．11.1PPCJS70011g/min2.16kg230°C．KM80SP180CXKrauss-Maffeiμ-ICM．18003000170250μm．1.213Ⅰ～Ⅲ．Ⅰ1800A13000A2Ⅱ170μmB1A1A2Ⅲ250μmB2A1A2A270μmA1170μm．μ-ICMμ-ICM120×20×0.6mmPP．280kN、35mm/s、250mm/s、230°C、12080°C．Fig．1SchematicsofmoldingprocessesusingthreeschemesoftemplatestructuresaschemeⅠandbschemeⅡorⅢ1.3SEMQuanta200FEI20kV．OCA40DataphysicsCAＲA4μL55．22.1213SEM．ⅠA12aA22b1～2μm10μm2．B1B2A1A2Ⅱ2c2dⅢ2e2f4．2.23ⅠPPSEM．2．21～2μmA1A2132μm50μm、42μm16μm、215μm88μm23．A2100kNμ-ICMPP25μm8280kN50μm．4a～4b4c～4dⅡⅢPPSEM．B1B23．B1B246423Fig．2SEMmicrographsofsurfacesofusedtemplatesaandb1800-and3000-meshsievescanddpunchedplatewith170μm-diameter-holesstackedwith1800-and3000-meshsieveseandfpunchedplatewith250μm-diameter-holesstackedwith1800-and3000-meshsievesFig．3SEMmicrographsofsurfacesofμ-ICMPPsamplesmoldedviaschemesⅠusingtwodifferenttemplatesa1800-meshsieveandb3000-meshsieve4．2.35Ⅰ～Ⅲ6PP6．6CAPP85.0°8150.0°．ⅠA13aCA162.8°、ＲA27.0°5aA23bCA166.1°、ＲA5.5°5b．6a232.2237422015Fig．4SEMmicrographsofsurfacesofμ-ICMPPsamplesmoldedviaschemesⅡandⅢusingfourdifferentstackedtemplatesabpunchedplatewith170μm-diameter-holesstackedwith1800-and3000-meshsievescdpunchedplatewith250μm-diameter-holesstackedwith1800-and3000-meshsievesFig．5Waterdropletsonsurfacesofμ-ICMPPsamplesmoldedviaschemesⅠ～Ⅲusingdifferenttemplatesaandb1800-and3000-meshsievescanddpunchedplatewith170μm-diameter-holesstackedwith1800-and3000-meshsievesandeandfpunchedplatewith250μm-diameter-holesstackedwith1800-and3000-meshsieves-24CAＲA．A23bA13a2.2-CACAＲA25-．ⅡⅢ4a～4d4CA150°4ＲA90.0°5c、73.0°5d、27.3°5e5.8°5f4．Ⅱ．8423A1246b95cCA4A26c．ⅢCAＲAⅠ2．ⅢCAＲA．Fig．6Schematicsofwettingstatesonabdual-levelandcdthree-levelhierarchicalsurfacesmoldedviaschemesⅠ～Ⅲ1micro-pyramid2micro-ridgeand3micro-column6PPⅠA2ⅢA23b4dCAＲAⅡA14aCAＲA33a4b4c．、．324μ-ICMPP．．170250μm．6CA150°5.5°90°．170μmＲA90°170μmＲA73.0°250μmＲA5.5°27.3°ＲA5.5°5.8°．、．9422015ＲEFEＲENCES1LiuKYaoXJiangL．ChemSocＲev20103983240～32552NosonovskyMBhushanB．Ultramicroscopy200710710-11969～9793TeisalaHTuominenMKuusipaloJ．JNanomater20111～64FengLZhangYXiJZhuYWangNXiaFJiangL．Langmuir20082484114～41195BormashenkoESteinTPogrebＲAurbachD．JPhysChemC2009113145568～55726KaramanMabukNzyurtDKysüren．ApplSurfSci2012259542～5467GuanWSHuangHXWuZ．JMicromechMicroeng201222111150038GuanWeishengHuangHanxiongWangBin．ActaPolymericaSinica2013101285～12909NosonovskyMBhushanB．CurrOpinColloidInterfaceSci2009144270～28010UedaELevkinPA．AdvMater20132591234～124711MuXZhengWSunJZhangWJiangX．Small2013919～2112JinMHFengXJFengLSunTLZhaiJLiTJJiangL．AdvMater200517161977～198113BhushanBHerEK．Langmuir201026118207～821714XueZhongxinJiangLei．ActaPolymericaSinica2012101091～110115ShirtcliffeNJMcHaleGNewtonMI．JPolymSciPartBPolymPhys201149171203～121716LinJCaiYWangXDingBYuJWangM．Nanoscale2011331258～126217XuQFWangJNSandersonKD．ACSNano2010442201～220918PakdelAZhiCBandoYNakayamaTGolbergD．ACSNano2011586507～651519YanYYGaoNBarthlottW．AdvColloidInterfacSci2011169280～10520HuangMSChungCF．JApplPolymSci201112121151～115921ＲohdeMDerdouriAKamalMＲ．IntPolymProcess2009243288～29722ShenYK．PlastＲubberCompos200736277～8423MahadikSAFernandoPDHegadeNDWaghPBGuptaSC．JColloidInterfaceSci2013405262～26824FangGLiWWangXQiaoG．Langmuir2008242011651～1166025TeisalaHTuominenMAromaaMStepienMMkelJMSaarinenJJToivakkaMKuusipaloJ．Langmuir20122863138～31450523DesignofMicrostructuresonSuperhydrophobicPolymericSurfaceswithTunableAdhesionAn-fuChenHan-xiongHuang*Wei-shengGuanCenterforPolymerProcessingEquipmentandIntellectualizationSouthChinaUniversityofTechnologyGuangzhou510640AbstractThemicrostructuresinthetemplatesarereplicatedonthesurfacesoflarge-sizedpolypropylenesamplesusingmicroinjection-compressionmoldinginonestep．Thesurfacesmoldedviathetwosieveswithdifferentmeshesexhibitthedual-levelmicrostructurewhichconsistsofmicropyramidswithhighaspectratioandmicroridges．Thesurfacesmoldedviafourtemplateswhichconsistoftheaforementionedtwosievesstackedwithpunchedplateswithdifferentholediametersexhibitthethree-levelmicrostructure．Thethree-levelmicrostructureconsistsoftheuniformlydistributedmicrocolumnsandtheaforementioneddual-levelmicrostructuresonthetopsurfacesofthemicrocolumns．Allthesixsurfaceshavethestaticcontactanglesofabove150°i．e．exhibitsuperhydrophobicityandtherollinganglesoffrom5.5°tomorethan90°i．e．exhibitawiderangeofmanipulationfortheadhesion．Forthesurfacehavingsmall-diametermicrocolumnsandafewmicropyramidsandmicroridgesontheirtopsurfacesthewaterdropletformsaglobalnon-compositestatethushighadhesionappearsthepetaleffect．Forthesurfacehavingsmall-diametermicrocolumnsandanumberofmicropyramidsandmicroridgesontheirtopsurfacesthewaterdropletformsalocalizednon-compositestatethusrelativelyhighadhesionappears．Forthesurfaceshavingthedual-levelmicrostructureso