微纤维玻璃棉及其制备隔热纸性能的研究

《微纤维玻璃棉及其制备隔热纸性能的研究》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、STUDIESoNTHEPRoPERTIESoFGLASSMICRoFIBERSWooLANDTHEHEATINSULATIoNPAPERABSTRACTTherapiddevelopmentofliquefiednaturalgas(LNG)andthehugedemandforthecleanenergyinthefuturehavepromotedtheriseanddevelopmentofLNGindustry．AlargenumberofLNGtankswereneededduringtheprocessofLNGtransportation，thehighvacuummu

2、ltilayerinsulationwasadoptedbythetankforcryogenicinsulation，andtheglassmicrofibersWOOlinsulationPaperwhichwasusedinthemulti．1ayerinsulationstructureplayedaparticularlyimportantroleinthewholeadiabaticperformance．Inordertoprepareabettercryogenicinsulationpaper,thepropertiesofglassmicrofiberswool，t

3、heperformanceofglassmicrofiberswoolpaperandthethermalconductivityofcryogenicinsulationpaperwerestudiedwhichcouldchoosetheoptimaltypeofglassmicrofiberswoolforpapermaking．Morfifiberqualityanalyzerwasusedtostudymorphologicalcharacteristicsofglassmicrofibersw001．Theresultswereasfollow：thearithmetica

4、veragelengthwasbetween0．426mm-0．459mm，theaveragelengthweightedlengthwasbetweenO．58mm-0．65mm，theaveragewidthwasbetween8．69m～l3．Ogm，theaverageroughnesswasfromO．5091m∥100mtoO．8539mg／lOOmandthekinkanglewasbetween1330with1380．Inaddition．theproportionofkinkfiberswasbetween11．5％～18．7％．andtheproportiono

5、fcurlfiberswasbetween16．1％-18％．Comparedwithotherfibers，theeffectofcryogenicinsulationmadebyBM．3glassmicrofibersWOOlwouldbebetter．ItWasmainlyattributedtotheBM一3glassmicrofibersWOOlwhohadsmallerkinkandlargercrimpcouldinterweavemorecloselyafterpapermaking．Usingstandardreliefdevicetodealwithdifferen

6、tfibers，itwasshowedthatwiththenumberofeaserevolutionsincreased，beatingIIIdegreeoffibersincreasedfirstly，andthenleveledoff5000rasaturningpoint．Accordingly，thelongfiberswerecutintheeaseprocess，andthebeatinghadchangedforthereasonofincreasingoffibers’quantity．Thewetpapermakingprocesswasusedinthisstu

7、dy，itwasfoundthattheeaserevolutions’increasinghadsmalleffectonthequantitative．exceptthethicknesswhichwasdecreased．Thedeterminationofairpermeabilityandtensilestrengthwasmainlyaimedattheglassmicrofiberswoolpaperwithhigherquant