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基于生物的静电层层自组装法制备阻燃真丝绸.docx

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基于生物的静电层层自组装法制备阻燃真丝绸 Title:Bio-inspiredLayer-by-LayerSelf-AssemblyMethodforProducingFlame-RetardantSilk Abstract: Silk,renownedforitsexceptionalmechanicalpropertiesandnaturalluster,hasattractedsignificantattentioninvariousapplications.However,duetoitsinherentflammability,thedevelopmentofflame-retardantsilkfabricsremainsachallenge.Inthisstudy,weproposeanovelbio-inspiredlayer-by-layerself-assemblymethodfortheproductionofflame-retardantsilk.Thisapproachincorporatestheuseofbiodegradableandflame-retardantpolymersthatcanformastableelectrostaticlayeronthesilksurface.Theresultingflame-retardantsilkfabricexhibitsenhancedthermalstabilityandreducedflammability,thusofferingimprovedsafetyinvariousindustrialanddomesticapplications. 1.Introduction: Silkisanaturalfiberreveredforitsinherentstrength,softness,andaestheticappeal.However,itssusceptibilitytoignitionandrapidpropagationofflamesposesignificantsafetyconcerns.Thedevelopmentofflame-retardantsilkfabricsisthusimperativetoenhancetheirpracticalapplicationsinindustriessuchastextiles,apparel,andinteriordesign.Traditionalflame-retardanttreatmentsofteninvolveapplyingchemicalsthatmayhaveadverseeffectsontheenvironmentandhumanhealth.Therefore,thereisaneedforenvironmentallyfriendlyandsustainableflame-retardanttechniques. 2.Bio-InspiredApproachtoFlame-RetardantSilk: 2.1.ElectrostaticSelf-Assembly: Electrostaticself-assemblyisaversatiletechniqueinspiredbynaturalprocessessuchasbiomineralization.Inthismethod,oppositelychargedpolymersaresequentiallydepositedonthesilksurface,resultinginamultilayeredstructurethatactsasaflamebarrier.Thelayer-by-layerassemblyapproachoffersprecisecontroloverthecoatingthickness,whichcanbeoptimizedtoachievethedesiredflame-retardantproperties. 2.2.BiodegradablePolymers: Toensureenvironmentalsustainability,biodegradablepolymersarepreferredfortheflame-retardantcoating.Polymerssuchaschitosan,alginate,andpolyphosphatesexhibitexcellentflame-retardantpropertieswhilebeingnon-toxicandbiodegradable.Thesepolymerscaneffectivelyf