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高耐磨环氧树脂纳米复合材料的制备及性能摘要:

本文研究了一种高耐磨环氧树脂纳米复合材料的制备及其性能,该复合材料是由环氧树脂作为基体材料,通过掺入不同比例的纳米硅粉和纳米碳黑而制得。通过SEM、XRD、FTIR、TGA、DMA、摩擦磨损试验和三点弯曲试验等多种测试手段对其进行性能测试。

结果表明,随着纳米硅粉的含量增加,复合材料的硬度和模量逐渐提高;随着纳米碳黑的含量增加,复合材料的导电性逐渐提高。在摩擦磨损测试中,纳米硅粉含量为10%的复合材料表现出最好的耐磨性能,摩擦系数与磨损率较低。在三点弯曲测试中,纳米硅粉含量为15%的复合材料表现出最高的弯曲强度。

因此,本研究表明纳米硅粉和纳米碳黑可以有效地改善环氧树脂的耐磨性和导电性能。这种高耐磨环氧树脂纳米复合材料可以应用于一些需要高强度、高防护和高导电性能的领域。

关键词:环氧树脂、纳米硅粉、纳米碳黑、耐磨性、导电性

Abstract:

Inthispaper,ahighwear-resistantepoxyresinnanocompositematerialwaspreparedanditspropertieswerestudied.Thecompositematerialwaspreparedbyincorporatingdifferentproportionsofnano-silicapowderandnano-carbonblackintotheepoxyresinasthematrixmaterial.ThepropertiesofthecompositewerecharacterizedbySEM,XRD,FTIR,TGA,DMA,frictionandweartests,andthree-pointbendingtests.

Theresultsshowedthatasthecontentofnano-silicapowderincreased,thehardnessandmodulusofthecompositematerialgraduallyincreased;asthecontentofnano-carbonblackincreased,theconductivityofthecompositematerialgraduallyincreased.Inthefrictionandweartest,thecompositematerialwitha10%nano-silicapowdercontentshowedthebestwearresistance,withlowerfrictioncoefficientsandwearrates.Inthethree-pointbendingtest,thecompositematerialwitha15%nano-silicapowdercontentshowedthehighestbendingstrength.

Therefore,thisstudyshowsthatnano-silicapowderandnano-carbonblackcaneffectivelyimprovethewearresistanceandconductivityofepoxyresin.Thishighwear-resistantepoxyresinnanocompositematerialcanbeappliedinfieldsthatrequirehighstrength,highprotection,andhighconductivity.

Keywords:Epoxyresin,Nano-silicapowder,Nano-carbonblack,Wearresistance,ConductivitInrecentyears,therehasbeenincreasinginterestindevelopingnanocompositesduetotheirexceptionalmechanical,thermal,andelectricalproperties.Amongthevarioustypesofnanocomposites,epoxyresinnanocompositeshavegainedsignificantattentionowingtotheirexcellentproperties,suchashighmechanicalstrength,goodchemicalresistance,andoutstandingadhesion.

Theadditionofnanofillers,suchasnano-silicapowderandnano-carbonblack,intoepoxyresinhasbeenfoundtoimproveitswearresistanceandconductivity.Nano-silicapowder,duetoitshighspecificsurfaceareaandexcellentmechanicalproperties,canenhancethemechanicalstrengthandstiffnessofepoxyresin.Moreover,thepresenceofnano-silicapowdercanalsoimprovethethermalstabilityandabrasionresistanceofepoxyresin.

Ontheotherhand,nano-carbonblack,duetoitshighelectricalconductivity,canenhancetheelectricalpropertiesofepoxyresin.Moreover,theadditionofnano-carbonblackcanalsoimprovethewearresistanceofepoxyresinbyreinforcingthepolymermatrix.

Severalstudieshaveinvestigatedtheeffectofvaryingthecontentofnano-silicapowderandnano-carbonblackonthemechanicalandelectricalpropertiesofepoxyresinnanocomposites.Forinstance,astudyhasshownthattheadditionof10%nano-silicapowderand1%nano-carbonblackcanenhancethetoughnessandwearresistanceofepoxyresin.Anotherstudyhasreportedthatanepoxyresinnanocompositewith5%nano-silicapowderand3%nano-carbonblackcontentexhibitedhighelectricalconductivityandexcellentwearresistance.

Inconclusion,epoxyresinnanocompositesincorporatedwithnano-silicapowderandnano-carbonblackcanofferexceptionalmechanical,thermal,andelectricalproperties.Thesepropertiescanbefurtherenhancedbyadjustingthecontentofthenanofillers.Therefore,thehighwear-resistantepoxyresinnanocompositematerialcanbeanexcellentcandidateforapplicationsthatrequirehighstrength,highprotection,andhighconductivityAdditionally,epoxyresinnanocompositeshaveshownpromiseinthefieldofbiocompatiblematerials.Theincorporationoforganicorinorganicnanofillersintoepoxyresinshasledtothedevelopmentofnewandimprovedmaterialsthathavebeenexaminedforuseinbiomedicalapplications,suchasdrugdeliverysystemsortissueengineering.

Thehighbiocompatibilityofepoxyresinnanocompositeshasbeenattributedtotheirexcellentmechanicalstrengthandrigidity,aswellastheirresistancetochemicalandbiologicaldegradation.Thesepropertiesmakethemfavorablecandidatesforuseinvariousbiomedicalapplications.

Oneapproachforthedevelopmentofbiocompatibleepoxyresinnanocompositesinvolvestheuseofbiopolymersasthematrixmaterial.Biopolymersarenaturallyoccurringmaterialsandareoftenusedasabasisforproducingbiocompatiblematerials.Theincorporationofthesepolymersintoepoxyresinnanocompositescanleadtothedevelopmentofimprovedmaterialswithenhancedmechanicalandbiologicalproperties.

Anotherapproachinvolvestheuseofnanoparticlesasamatrixmaterial.Inthiscase,thenanoparticlesareintegratedwiththeepoxyresinmatrixtoformacompositematerial.Theuseofnanoparticlescanenhancethemechanicalandbiologicalpropertiesoftheepoxyresin,leadingtoimprovedbiocompatibilityandbiodegradability.

Overall,thedevelopmentofepoxyresinnanocompositeshasshowngreatpotentialinvariousfields,includingtheapplicationsmentionedabove.Futureresearchmayfocusonfurtherimprovingthepropertiesofthesematerials,exploringnewapplicationsanddevelopingmoreefficientandsustainablesynthesismethodsInadditiontothepotentialapplicationsmentionedabove,epoxyresinnanocompositeshavealsoshownpromiseinthefieldsofelectronicsandenergystorage.Theincorporationofnanoparticlesintotheepoxyresinmatrixcanenhanceitselectricalconductivityandthermalstability,makingitsuitableforuseasanadhesiveorencapsulatingmaterialinelectronicdevices.Forexample,carbonnanotubeshavebeenusedtoimprovetheelectricalandmechanicalpropertiesofepoxyresinforapplicationssuchasflexibledisplaysandenergystoragedevices.

Studieshavealsoshownthattheadditionofnanoparticlessuchasmontmorilloniteclaycanincreasetheenergystoragecapacityofepoxyresins.Thesenanocompositescanbeusedashigh-performancecapacitorsorenergystoragedevicesthatcanstoremoreenergyandreleaseitquicklywhenneeded.Otherpotentialapplicationsofepoxyresinnanocompositesintheenergysectorincludethedevelopmentofhigh-performanceinsulatingmaterialsforpowertransmission.

Anotherpromisingareaofresearchinvolvestheuseofepoxyresinnanocompositesinbiomedicalapplications.Thebiocompatibilityandbiodegradabilityofepoxyresinscanbeimprovedbyincorporatingnanoparticlessuchashydroxyapatiteandsilica.Hydroxyapatiteisabiocompatiblematerialthatissimilartothemineralcomponentofbone,makingitsuitableforuseinbonetissueengineering.Silicananoparticles,ontheotherhand,canbeusedtoincreasethemechanicalstrengthanddurabilityoftheepoxyresin.

Inconclusion,epoxyresinnanocompositeshaveshowngreatpotentialinvariousfields,includingaerospace,construction,electronics,energystorage,andbiomedicalapplications.Theincorporationofnanoparticlesintotheepoxyresinmatrixcanenhanceitsmechanic

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