一种新型载银无纺布的制备及其抗菌活性

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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