二元相变储能材料与其在纺织品上的应用.研究

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1、AbstractInthispaper,binary-CPCMs(binaryCompositePhaseChangeMaterials)，werepreparedbasedonthesol·-geltechnology．Thenthemulti·-CPCMswereaddingontextileandthethermal—adaptabletextilecouldbeobtained．TwokindsofphasechangematerialswerecompositebasedonthetheoryofSchroderandthesuitableratiowasobta

2、ined．Compositephasechangematerial(CPCMs)warepreparedbysol—geltechnologyusingsilicateesterasprecursor．Theinfluencesofexperimentalconditionsonproductsuchastheproportionofesteranddistillerwater,pHvalue，reactivetemperatureandtheproportionofphasechangematerialshavebeeninvestigated．Thestructurea

3、ndthermalpropertyofCPCMwerecharacterizedbyDSCandpolarizedmicroscopeetc．TheresultsshowedthatthereactivetemperatureWas60"C，thepHvalueWas3andtheoptimumratiooftetraethylorthosilicate(TEOS)，H20，PCMandethanolwas1：7：1．76：8．24；aftercompositing，phasechangematerial(PCM)wasembeddedinsilicondioxidethr

4、ee-networkstructure；Polarizedmicroscopeshowedthereweremanyholesonthesurfaceofcomposites；DSCshowedcompositeshadhigherenthalpyandappropriatemeltingtemperature；TheapplicationoftheCPCMsonthetextileusingdip—-pad·-dryprocessSOthatfabricswithexcellentthermalpropertycouldbeobtainedaswell．Theeffect

5、ingfactorsoffinishingprocessonthermal-propertiesoffabrics，includingprebakingtemperature，prebakingtime，bakingtemperature，bakingtimeetc，werediscussedindetail．TheoptimalconditionoffinishingprocesswasdeterminedbyorthogonaldesignSOastoanalyzethemaininfluencingfactors．Theperformanceindexesoffabr

6、icsbeforeandaltertreatmentwerecharacterized．Thethermalproperty,mechanicalspropertiesandwashingfastnessoffabricsbeforeandaftertreatmentwerecomparedandevaluatedsynthetically．Itwasdemonstratedbyourresearchthataftertreatment，thefabricshadexcellentthermalpropertyandwashingfastness．Thethermal-ad

7、aptablefabricscanmeettheactualneeds．Theabsorptionkineticsbetweenfabricandcompositesolwasstudiedusingsilicon-molybdenumbluemethod．ThefabricbeforeandaftertreatmentwasanalysisbyFI—IR．Theresultsshowedthat：theabsorptionbetweenthefabricandthesolwasagreementwithLangm