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可膨胀聚苯乙烯基木塑复合材料的阻燃性能研究 Title:StudyontheFlameRetardantPerformanceofExpandablePolystyrene-BasedWood-PlasticCompositeMaterials Abstract: Withtheincreasingdemandforsustainableandeco-friendlymaterials,wood-plasticcomposites(WPCs)havegainedsignificantattentioninvariousindustries.However,theflammabilityofWPCsremainsamajorconcernfortheirwidespreadapplication.Thisstudyaimstoinvestigatetheflameretardantperformanceofexpandablepolystyrene-basedwood-plasticcompositematerials(EPS-WPCs).Thefocusisplacedonimprovingthefiresafetypropertiesofthecompositesthroughtheincorporationofflameretardantadditivesandoptimizingtheprocessingconditions.Theeffectsofdifferentflameretardantagentsonthermalstability,flameresistance,andmechanicalpropertiesoftheEPS-WPCsareevaluatedindetail.Theresultsprovidevaluableinsightsforthedevelopmentofflame-retardantEPS-WPCmaterialswithenhancedfiresafety. 1.Introduction(200words) Wood-plasticcomposites(WPCs)aregainingpopularityduetotheirexcellentmechanicalproperties,lowcost,andenvironmentallyfriendlyattributes.However,theirflammabilitylimitstheirpotentialapplications,especiallyinconstructionandtransportationindustries.FlameretardantadditivescanenhancethefiresafetyofWPCs,buttheireffectivenessdependsonvariousfactorssuchasthetype,loadinglevel,andcompatibilityoftheflameretardantagentswiththepolymermatrix.Expandablepolystyrene(EPS)isawidelyusedflameretardantthatcanbothreduceflammabilityandimprovemechanicalperformance.ThisstudyaimstoinvestigatetheflameretardantperformanceofEPS-WPCs,focusingontheoptimizationofflameretardantadditivesandprocessingconditionstoenhancethefiresafetypropertiesofthecomposites. 2.MaterialsandMethods(300words) 2.1Materials:Thematerialsusedinthisstudyincludewoodflour,high-densitypolyethylene(HDPE),expandablepolystyrene(EPS),anddifferentflameretardantadditives.WoodflourandHDPEarecommonlyusedasthewoodfiberfillerandpolymermatrix,respectively,inWPCs.EPSservesasbothaflameretardantandafoamingagent. 2.2PreparationofEPS-WPCs:TheEPS-WPCsarepreparedthroughameltb