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ID:31991657
大小:3.06 MB
页数:56页
时间:2019-01-30
《棉织物纳米银抗菌整理》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、。幕毒乏学比矗;瓤址铺烈锄瞰'f棉织物纳米银抗菌整理aureus).T1leresultsshowedthatcottonfabricfinishedwithnano—sizedcollOidalsilVerhadaVerygoodperf0珊ance.After10times’washes,tllesilvercontentonthefabriccouldremainaboVe81%.TllleiIlhibitionofthecolonycountofS.aureuswas99.9%whenthesilVercontenton
2、thefinishedcottonfabricwasabout6犁g·g一.Combinedwiththewashingdurabilityofthe缅ishing,itcouldbesaidthatwhentheconcentrationofthecoUoidalsilverw勰10mg·L-1,thefinishedfabricafter10tiIlles’washescouldstilIhaVeaVerygoodantibacterialactiVity.Acomparisonofpaddingprocessandimpr
3、egnatingprocesswasmadeintlleprocessofinsitusynthesisofnanO-sizedsnVerpaniclesincottonfabricin帆70bathes.Thefcsultsshowedthatwiththesameconcentrati叩ofAgN03solution,theiIIlpregIlatedfabricshadI加chhighersilVercontentthanthepadded∞es.Thiswaspossiblyduet0thehigherfiberacce
4、ssibilityintheimpregnatingprocess.IntheimpregnatiIlgproce豁,t、Ⅳodi虢rentmethodswereappliedonthecottonfabric:dryingandsteamiIlg,theirinnuenceonthefabricwasalsodiscussed.MeaIlwhiletllefactorswhichaffectedthesilVercontentandwhiteness0fthefinishedfabricinsteamingprocesssuc
5、hastlletimeofste锄ing,thesteamingtenlperatureaJldthehumiditywereoptimized.Theresultsshowedthat,cottonfabricfinishedwithste锄ingmethodcouldobtaillhighersilvercontentthanothermethodsandthewhitenessofthefinishedfabricdidn’tdecI.easemuch.Meallwhilethefinishedfabrichadexcel
6、lentwashingdumbility,after10times’washes,thesilVercontentofthefabriccouldremainabove93%,evenafter50times’washes,tllesilVefcontentofthefabriccouldstillremainabove62%.TheantibacterialactiVityofthe伽ishedcottonfabricwasalsoinVestigatedusingGmmpositivebacteriaStaphylococc
7、us肌reus(S.扑reus).neinhibitionofthecolonycountofS.aureuswas99.9%whenthesilvercontentofthefinishedcottonfabricwasabout6毗g·g。1(whentheconcentntionofthesilverinAgN03∞lutionwas8mg·L-1).Combinedwitllthewashingdurabnityoftllefinishing,itcouldbesaidthalwhentheconcentrationof
8、thesilVerinAgN03solutionw舔abovc15mg·L.1,thefinishedfabricafter50times’washescouldstillhaveaverygoodantibacterialactiVity.1nheapplic
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