绿色热致相分离法制备pvdf平板膜

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1、万方数据AbstractPoly(vinylidenefluoride)(PVDF)hasbeenwidelyusedinmicrofiltration，ultrafiltration,membranebioreactors，membranedistillation,gasseparation，pollutantremovalfromwater，recoveryofbiofuels，separationforlithiumionba：ttedesandionexchangeprocessesduetoitsoutstandi

2、ngproperties，suchashighthermalstability,goodchemicalresistanceandmembraneformingproperties．ThePVDFmembranesincludingsheets，hollowfibersandtubes，Canbefabricatedbyimmersionprecipitationandthermallyinducedphaseseparation．Recently，thePVDFmembraneshasbeendevelopedrapidl

3、yinourcountryandlotsofeconomicandsocialbenefitshavebeenobtained．SolargeamountsoforganicsolventshavebeenproducedtopreparePVDFmembranesviaNIPSorTIPS．Unfortunately，environmentalpollutionandraw-materialwastes，areobviousandurgentissuesduetothedifficultlyinrecyclingorgan

4、icsolvents．Recently,theuseofionicliquidsOLs)asaclassofgreensolventshasbecome谢delypopularasareplacementfortheconventionalvolatilesolvents，whichareenvironmentalpollutantsoreventoxic．ILshaveplentyofuniqueandinterestingproperties，suchastheirnegligiblevaporpressure．They

5、arealsonon-flammable，non-explosive，haveexcellentchemicalandthermalstability,excellentsolventpropertiesandhighionicconductivity。Moreover,theyCanberecycledandCallreduceenvironmentalpollutioninthisrespect．PVDFmembraneswillbepreparedbythermallyinducedphasetechnologywhi

6、chtakesPVDFasmembranematerialandusesionicliquidstoreplaceorganicsolventasdiluentsinthisstudy．ThemembraneformationmechanismofthermalinducedphasemeltprocessforpreparationofPVDFmembranewillberesearched，andthemembranemicroporousstmcturedesign，construction,reorganizatio

7、nandoptimizationmechanismwillbeexploredinthemembranemakingprocess．Furthermore，ionicliquidsWaseffectivelyrecoveredbyAtmosphericdistillation．ThemembraneformationmechanismofgreenthermallyinducedphasemeltmembranetechnologywimionicliquidsasdiluentsforpreparationofPVDFme

8、mbranewillbestudiedinordertoprovidetheoreticalbasisandtechnicalsupportforpreparationofhighperformancepolymermembrane．Thediluents1-butyl-1-methylp