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时间:2019-03-05
《一种新型载银无纺布的制备及其抗菌活性》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、西安工程大学学报Journalofxi’蚰PolytechnicUniversity第23卷第2期(总96期)2009年4月V01.23,No.2(Sum.No.96)ArtideID:1671-850X(2009)02-03744)5Synthesisandantibacterialactivityofanovel●一一1n1●SlIVer—10adennon—WOVenIaDrlCZHOUFei,SUNYu—han,ZHANGJian-hua,WANGQin-qin(School0fEnvironmental&ChemicalEngineering,
2、Xi7卸PolytechnicUniversity,Xi’肌710048,China)Abstract:AnovelPvAsilver-loadednon—wovenfabricwaspreparedbythedehydrationreactionofpol—yvinylalcohol(PVA)followedsuffocationandsilverionexchange.’11leoptimumconditionsforprepar-ingsilver-loadednon-wovenfabricareasfollows:dehydratingtempe
3、rature160℃,dehydratingtime90rain,sulfonatedtemperature900Candsulfonatedtime70rain.Antibacterialcharacteristicsofsilver-loadednon—wovenfabricwereinvestigated.皿eresultsindicatedthatAg+exchangecapacityofsilver—loadednon.wovenfabriciS2.29mg/gandbactericidalratesofthesilver一10adednon—
4、wovenfabrica-gainstbothEcoliK12W3l10andS.a//2"Gw./8IF012732aremorethan90%埘thiIl30minand99%within2h.。Ihesilver—loadednon-wovenfabricCanbeused鹊clothing。wounddressingandairfiltra—tionmaterials.Keywords:silver—loaded;non-wovenfabric;antibacterialactivity;cationicexchange;polyvinylalc
5、o-holCLCnumber:TS195.58Documentcode:A0IntroductionWhentextilematerialsareused嬲underwearandwounddressing.inevitablytheyhaveaclosecontactwiththeskinandiscontaminatedbyskinsecretions,sweat,exuviaeandwounddischarge,whicharethebestculturemediumformicrobes.Non—wovenfabricisfrequentlyus
6、edasairfiltrationmaterialsandwettissuesabstratewhichisexpectedtObeantibacterial.In1980。Houk⋯reportedaneventthatpneumoniaWasdisseminatedbytheventilationsystemonanavalvessel.In1986。Crofteta1020reportedthatatOxinfromStachybotrysWasdis。seminatedbytheventilatingsystemtoo.Recently,func
7、tionalfrbermaterialshavebeenactivelydevelopedforprovidingtheantimierobialpropertyandacceptedforuseinclinicalsetting,ventairfilterandclothingmaterialstOblockthetransmissionofpatho-germC341.Aproduetwhichexhibitsabroadantimicrobialspectnnnandcanstillremainstheantimicrobialprop-Recei
8、veddate:2009-02-09Fundationitem:Supporte
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