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1、打孔PE/PP双组分热风粘合非织造布的工艺和性能研究STUDYONTHEPROCESSANDPROPERTIESOFPERFORATEDPE/PPBI-COMPONENTHOTAIRTHROUGHBONDEDNONWOVENSABSTRACTCurrently,intheChinesemarket,spunbondednonwovensistheverypopularmaterialasthesurfacelayerusedinthedisposablehygieneproducts,butwiththecontinuousimprovementof
2、livingstandards,consumer’sneedsfordisposablehygieneproductsaregettinghigherandhigher,soft,fluffyandbreathablehotairthoughbondednonwovenfabricproductshaveattractedmoreandmoreconsumers.Tofurtherimprovetheairpermeability,absorbencyandrewetcapabilityofthebi-componenthotairthroughno
3、nwovens,thisthesisputthefocusonthestudyoftheperforationmachine,perforationprocessandperforatedmaterialpropertiesofthebi-componenthotairthroughnonwovensAfterthebi-componenthotairthroughnonwovenshadbeenmade,itwasdeliveredtotheperforationmachinewhichwasdevelopedbythethesis.Inorder
4、toachievethesuitableshapeofthehole,concave-convexrollershadbeencontinuallyimprovedondesign.Thepilotmachineandprocesswerecontinuouslymodifiedandimproved,eventuallywedevelopedtheperforationmachinewiththecapacityofmassproductionanditcouldaccommodatethedifferentbasisweightofbi-comp
5、onenthotairthroughnonwovens.Inthisthesis,thechangeoverofthemachineforperforatingon22gsmand27gsmbi-componenthotairthroughnonwovenswasconvinentwithoutchanginganyfittingbutonlychangingtheprocessparameters.Andtestresultsontheperforatedmaterialshowed:comparedwithnon-perforatedbi-com
6、ponenthotairthroughnonwovenswithsamerawmaterial,andcomparedwithsimilarbasisweightspunbondednonwovens,perforatedPE/PPbi-componenthotairthroughnonwovenshadbetterpenetrationrate,airpermeabilityandrewetetc.Theperforationtechnologyonhotairthoughbondednonwovensstudiedbythethesishasta
7、kentheleadintheindustryapplication.2万方数据打孔PE/PP双组分热风粘合非织造布的工艺和性能研究Throughconsumerperceptiontestandresult,itevenmoreprovedthefemininenapkinwiththeperforatedPE/PPbi-componenthotairthroughnonwovencoverisobviouslybetterthanthenapkinswithPPspunbondednonwovencoverinbreathability,leak
8、age-proof,absorbency,comfortabilityandcoverliking,andt
