简介：包含perfluorooctyl一半的基于Fluorene的聚合物被设计并且综合。高electronegativity和FH-C相互作用在氟化的聚合物是在场的，它稍微导致在电影的紫外力的吸收蓝移动。从氟化的溶剂准备的含氟聚合物电影比在非氟化的溶剂准备的那些显示出lager接触角度。

简介：Itiswellknownthatsurfaceroughnesshasaveryimportanteffectonsuperhydrophobicity.TheWenzelandCassie-Baxtermodels,whichcorrespondtothehomogeneousandheterogeneouswettingrespectively,arecurrentlyprimaryinstructionsfordesigningsuperhydrophobicsurfaces.However,theparticulardropshapethatadropexhibitsmightdependonhowitisformed.Awaterdropcanoccupymultipleequilibriumstates,whichrelatetodifferentlocalminimalenergy.Insomecases,bothequilibriumstatescanevenco-existonasamesubstrate.Thustheapparentcontactanglesmayvaryandhavedifferentvalues.WediscusshowtheWenzelandCassie-Baxterequationsdeterminethehomogeneousandheterogeneouswettingtheoretically.Contactangleanalysisonhierarchicalsurfacestructureandcontactanglehysteresishasbeenputspecificattention.Inparticular,westudytheenergybarrieroftransitionfromCassie-BaxterstatetoWenzelstate,basedonexistingachievementbypreviousresearchers,todeterminethepossibilityofthetransitionandhowitcanbeinterpreted.Ithasbeendemonstratedthatsurfaceroughnessandgeometrywillinfluencetheenergyrequiredforadroptogetintoequilibrium,nomatteritishomogeneousorheterogeneouswetting.

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简介：Biologicaltinystructureshavebeenobservedonmanykindsofsurfacessuchaslotusleavesandinsectwings,whichenhancethehydrophobicityofthenaturalsurfacesandplayaroleofself-cleaning.Wepresentedthefabricationtechnologyofasuperhydrophobicsurfaceusinghighenergyionbeam.Artificialinsectwingsthatmimicthemorphologyandthesuperhydrophobocityofcicada’swingsweresuccessfullyfabricatedusingargonandoxygenionbeamtreatmentonapolytetrafluoroethylene(PTFE)film.Thewingstructuresweresupportedbycarbon/epoxyfibersasartificialflexibleveinsthatwerebondedthroughanautoclaveprocess.Themorphologyofthefabricatedsurfacebearsastrongresemblancetothewingsurfaceofacicada,withcontactanglesgreaterthan160°,whichcouldbesustainedformorethantwomonths.

简介：Thisstudyaimsatthemechanismofdragreductioninturbulentboundarylayer(TBL)withsuperhydrophobicsurface.Comparingthetime-resolvedparticleimagevelocimetry(TRPIV)measurementresultswiththatofhydrophilicsurface,thedragreductionrateoverasuperhydrophobicsurfaceisapproximately10%.Toinvestigatethecharacteristicsofcoherentstructureinadrag-reducedTBLwithsuperhydrophobicsurface,amodifiedmulti-scalespatiallocally-averagedstructurefunctionisproposedfordetectingcoherentstructure.Theconditionalsamplingandspatialphase-lockaveragemethodsareemployedtoobtainthetopologyofphysicalquantitieslikethevelocityfluctuation,spanwisevorticity,andReynoldsstressduringejectandsweepprocess.Theresultsindicatethatthesuppressionofcoherentstructureburstinthenear-wallregionisthekeymechanisminreducingtheskinfrictiondragforTBLoversuperhydrophobicsurface.

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简介：微弧的氧化(毛)/zinc硬脂酸盐(ZnSA)合成涂层经由毛与superhydrophobicZnSA的电极淀积处理并且随后的封上被制作。表面形态学，化学作文和涂层的腐蚀抵抗用扫描电子显微镜学的地排放被调查，Fourier变换红外线，X光检查衍射并且电气化学并且氢进化大小。结果显示毛涂层被下列superhydrophobicZnSA涂层高效地封上。MAO/ZnSA合成涂层显著地由于它的superhydrophobic功能提高了Mg合金Mg-4Li-1Ca的腐蚀抵抗。另外，腐蚀机制为合成涂层被建议并且讨论。

简介：纸从superhydrophobic模板和superhydrophilic底层的联合效果由三明治结构为像杆的硅石粒子的面向的汇编表明了一条灵巧的途径。像杆的粒子能被安排在似环，像平方并且等等从限制了模板的效果，它将为各向异性的粒子的面向的汇编和新奇功能的材料和设备的开发生产重要卓见。