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ID:31956800
大小:3.07 MB
页数:92页
时间:2019-01-29
《二元相变储能材料与其在纺织品上的应用.研究》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
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
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