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1、西北师范大学硕士学位论文II工艺条件相差不大的情况下，小的泵供量可制备表面光滑的纤维，增大泵供量将倾向于制备具有卵石细砾般粗糙表面纤维；纤维素溶喷非织造布具有良好的吸水性能，其吸收水的质量可达自身质量的7倍左右；随接收距离(DCD)的增大，纤网的厚度增大，纤维平均直径先减小后增大，纤网的结晶度增大，纵横向断裂强度先增大后减小；随泵供量的增加，纤维平均直径线性上升，随热风温度的提升，纤维平均直径先减小后增大，纵横向断裂强度下降；随模头温度的升高，纤维平均直径下降，纤网的结晶度与纵横向断裂强度均增大；随热风速率的提升，纤维平均直径先减小后增大，
2、力学性能增强。关键词：溶喷；纤维素非织布；溶解；流变性能；结构；性能万方数据III西北师范大学硕士学位论文AbstractInrecentyears,themelt-blownnonwovenstechnologyisdevelopingveryrapidlyintheinternational.Mostofthemelt-blownnonwovensaremadefromthepetroleum-baserawmaterials.However,withtherapiddevelopmentofindustry,people’senvir
3、onmentalprotectionconsciousnessisstrengthening,Thelargeusageofthesenon-biodegradablematerialscancauseincreasinglyseriousenvironmentalproblems.Soitispreferredthatthedegradablepolymersareusedastherawmaterialsofmelt-blownnonwovens.Lyocellfibersaredevelopedinthe1990s,asaenviro
4、nmentalfriendlyfiber,N-methylmorpholine-N-oxide(NMMO)hasbeenusedtodissolvenaturalcellulosepulpintoasolutionand,anovelregeneratedcellulosefiberswasproducedbyaspecialspinningmethods.Thisshortprocessconsumedlessenergyanditswastewasnaturaldegradation.Fullymeettheaboverequireme
5、nts.Spraysolutioncellulosenonwovenstechnologyriseandrapiddevelopmentinrecentyearsasanewtypeofnon-woventechnology,ItcombinesLyocellfibertechnologymaterialsandtraditionalprinciplesofmelt-blowntechnology,andproducetheproducthassomefeaturessyntheticmaterialhavenot.Suchas:havin
6、galargerspecificsurfacearea,porosityandsmallpore,athinnerweb,transparencyadvantages,Therefore,afilterhavingmoreexcellent,breathable,barrierproperties,heatinsulationpropertiesandoilresistance,Alsohasagoodantistaticeffect,moisturewarm,soft,comfortable,easytostaineasilybiodeg
7、radable,etc.Makingitanimportantrawcloth,civilianclothingandwipewithcloth,and,Solutioncellulosespraymethodalsomakesnon-wovenfabricbecomesarenewableresource.Attractingmanyscholarswideattentionathomeandabroad.Thedomesticjettechnologyforcellulosedissolvedalmostnorelevantreport
8、s.Typeofenvironmentallyfriendlymaterialsforsustainabledevelopmentresearch,alsofordomestic
