预览加载中，请您耐心等待几秒...

二乙醇胺溶液对疏水微孔的浸润研究.docx

预览
1/4
2/4
3/4
4/4

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

二乙醇胺溶液对疏水微孔的浸润研究 Abstract Thewettingbehaviorofhydrophobicporoussurfacesbydiethyleneglycolmonoethylether(DEGEE)solutionwasinvestigated.ThewettingcharacteristicsofDEGEEsolutiononhydrophobicsurfaceswerestudiedbymeasuringthecontactangleandinfiltrationdepthunderdifferentexperimentalconditions.TheresultsdemonstratethatthehydrophobicsurfacesareeffectivelywettedbytheDEGEEsolution.ThewettingbehaviorofDEGEEsolutionondifferenthydrophobicsurfacesreflectsthecompetitionbetweenthechemicalandphysicalinteractionsbetweenDEGEEmoleculesandsurfacefunctionalgroups.ThepenetrationdepthofDEGEEsolutionintohydrophobicsurfacesisinfluencedbyvariousfactors,includingtheconcentrationandtemperatureofthesolution,themorphologyofthesurface,andthecompositionofthesubstrate.ThestudyprovidesinsightsintothefundamentalunderstandingofinterfacialphenomenabetweenhydrophobicsurfacesandDEGEEsolution,whichwillfacilitatetheoptimizationofthewettingperformanceofporousmaterials. Introduction Porousmaterialshaveattractedextensiveattentioninvariousresearchfieldsduetotheiruniquephysicalandchemicalproperties,suchashighsurfacearea,largeporevolume,andhighselectivitytowardsspecificmolecules.Thewettingbehaviorofporousmaterialsisacrucialfactorthataffectstheirperformanceinfieldslikecatalysis,separation,andenergyconversion.Wettingbehaviorismainlydeterminedbytheliquid-solidinterfacialinteraction,whichissignificantlyinfluencedbythesurfacechemistryandmorphology. Diethyleneglycolmonoethylether(DEGEE)isacommonlyusedorganicsolvent,whichiswidelyusedinindustrialproduction.DEGEEhasauniquestructure,whichconsistsofahydrophilicgroup(-OH)andahydrophobicgroup(-CH2-CH2-O-CH2CH3).SuchastructureendowsDEGEEsolutionwithamphiphilicproperties,whichpotentiallymakesitanidealcandidateforwettinghydrophobicporousmaterials.However,thewettingbehaviorofDEGEEsolutiononhydrophobicsurfacesiscomplex,duetotheinterplaybetweenthehydrophilicandhydrophobicpropertiesofDEGEEandthehydrophobicsurface. Inthispaper,weinvestigatethewettingbehaviorofDEGEEsolutionondifferen