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Fabrication of ZnO nanoparticle-coated calcium alginate nonwoven

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  • 2020-12-10 17:09:12
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FabricationofZnOnanoparticle-coatedcalciumalginatenonwovenfabricbyionexchangemethodbasedonaminohyperbranchedpolymerGuangyuZhanga,YaoXiaoa,JiaweiYanb,WeiZhanga,⇑aNational&LocalJointEngineeringResearchCenterofTechnicalFiberCompositesforSafeandProtection,SchoolofTextileandClothing,NantongUniversity,Nantong226019,PRChinabFacultyofTextileScienceandTechnology,ShinshuUniversity,3-15-1,Tokida,Ueda,Nagano386-8567,JapanarticleinfoArticlehistory:Received1November2019Receivedinrevisedform20February2020Accepted7March2020Availableonline9March2020Keywords:AlginatenonwovenfabricFibertechnologyNanoparticlesIonexchangeabstractInthisstudy,ZnOnanoparticle(ZnONPs)-coatedcalciumalginatenonwovenfabricwasfabricatedbyasimpleionexchangemethod.AlginatenonwovenfabricwassequentiallyimmersedinZn(NO3)2solutionforionexchangeandtheninaminohyperbranchedsolutionstoprepareZnONPs.ZnONPsandZnONP-coatedalginatenonwovenfabricwerethencharacterizedthroughTEM,UV–vis,XRD,FESEM,andEDSmappinganalyses.Resultsindicatedtheuniformcoatingofhigh-densityZnONPsonthealginatenonwo-venfabric.�2020PublishedbyElsevierB.V.1.IntroductionAlginicacid(alginate)islinearunbranchedcopolymerscom-posedof(1,4)-linkedb-D-mannuronic(M)anda-L-guluronic(G)acidsarrangedinanon-regularorder[1,2].Calciumalginatefiberisthemostwidelyusedalginatefiberinthemarket,anditispre-paredbywetspinningusingalginatesolutioninacalciumchloridecoagulationbath[3].Calciumalginatehasagoodionexchangefunctionandcanbesubstitutedwithvariousmetalions,suchasZn2+,Fe2+,andMn2+,

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