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琼胶纤维的制备与性能研究(英文) Title:PreparationandPerformanceStudyofChitin-basedFibers Abstract: Chitin,asanaturallyoccurringpolysaccharide,hasgarneredsignificantinterestduetoitsbiocompatibility,biodegradability,andabundanceinnature.Thispaperaimstoexplorethepreparationmethodsandpropertiesofchitin-basedfibers,commonlyknownaschitosanfibers,orchitinfibers.Thefocuswillbeonunderstandingthesynthesisprocessesinvolvedinproducingsuchfibersandevaluatingtheirmechanical,thermal,andbiocompatibleproperties.Theapplicationofchitinfibersinvariousfieldssuchastextiles,biomedicalengineering,andenvironmentalremediationwillalsobediscussed. 1.Introduction: -Brieflyintroducechitinfibersanditsuniqueproperties. -Highlightthesignificanceofchitinfibersindifferentresearchfields. -Explaintherelevanceofthisstudyandtheimportanceofunderstandingtheirpreparationandproperties. 2.PreparationMethods: 2.1.ChitinExtraction: -Discusschitinextractionmethodsfromvariousnaturalsources,suchascrustaceanshells(shrimp,crab,lobster)andfungalcellwalls. -Elaborateonthedeproteinizationanddemineralizationprocessesinvolvedinchitinisolation. -Provideanoverviewofthepurificationtechniquesused. 2.2.ChitinFiberFormation: -Explaintheconversionofchitinintochitosanthroughdeacetylationprocesses. -Describethedifferentchitosanfiberformationtechniques,e.g.,wetspinning,dryspinning,electrospinning,andmeltspinning. -Compareandanalyzetheadvantagesanddisadvantagesofeachmethod. 3.CharacterizationTechniques: -Discusstheevaluationandcharacterizationmethodsusedtoassessthepropertiesofchitinfibersintermsoffiberstructure,morphology,andsurfaceproperties. -Introducetechniquessuchasscanningelectronmicroscopy(SEM),X-raydiffraction(XRD),Fourier-transforminfraredspectroscopy(FTIR),andthermalanalysis(DSC,TGA). -Mentiontheimportanceofmechanicaltestingandbiocompatibilityevaluations. 4.MechanicalProperties: -Presentthemechanicalproperties(tensilestrength,elongation,Young'smodulus)ofchitinfibers. -Discusstheeffectofprocessingparametersonthemechanicalproperties. -Comp