Editedby JuanP.HinestrozaandAnilN.Netravali CelluloseBasedComposites RelatedTitles Imhof,P.,vanderWaal,J.C.(eds.) Lendlein,A.,Sisson,A.(eds.) Catalytic ProcessDevelopment Handbook ofBiodegradable forRenewableMaterials Polymers 2013 2011 ISBN978-3-527-33169-7,alsoavailablein ISBN978-3-527-32441-5 digitalformats Mittal,V.(ed.) Fricke,J.,Borst,W.L. RenewablePolymers EssentialsofEnergyTechnology Synthesis,Processing,andTechnology Sources,Transport,Storage,Conservation 2011 2013 ISBN978-0-470-93877-5,alsoavailablein ISBN978-3-527-33416-2,alsoavailablein digitalformats digitalformats Ulber,R.,Sell,D.,Hirth,T.(eds.) Hood,E.,Nelson,P.,Powell,R. RenewableRawMaterials PlantBiomassConversion NewFeedstocksfortheChemicalIndustry 2011 2011 ISBN978-0-8138-1694-4,alsoavailablein ISBN978-3-527-32548-1,alsoavailablein digitalformats digitalformats Edited by Juan P. Hinestroza and Anil N. Netravali Cellulose Based Composites New Green Nanomaterials Editors AllbookspublishedbyWiley-VCHare carefullyproduced.Nevertheless,authors, editors,andpublisherdonotwarrantthe Prof.JuanP.Hinestroza informationcontainedinthesebooks, CornellUniversity includingthisbook,tobefreeoferrors. DepartmentofFiberScience& Readersareadvisedtokeepinmindthat ApparelDesign statements,data,illustrations,procedural 242MVRHall detailsorotheritemsmayinadvertentlybe 37ForestHomeDr. inaccurate. Ithaca NY14853 USA LibraryofCongressCardNo.:appliedfor Prof.AnilN.Netravali BritishLibraryCataloguing-in-Publication CornellUniversity Data DepartmentofFiberScience& Acataloguerecordforthisbookisavailable ApparelDesign fromtheBritishLibrary. 233HumanEcologyBuilding(HEB) 37ForestHomeDr. Ithaca Bibliographicinformationpublishedbythe NY14853 DeutscheNationalbibliothek USA TheDeutscheNationalbibliothek liststhispublicationintheDeutsche Nationalbibliografie;detailedbibliographic dataareavailableontheInternetat <http://dnb.d-nb.de>. (cid:2)c 2014Wiley-VCHVerlagGmbH&Co. KGaA,Boschstr.12,69469Weinheim, Germany Allrightsreserved(includingthoseof translationintootherlanguages).Nopart ofthisbookmaybereproducedinany form–byphotoprinting,microfilm,orany othermeans–nortransmittedortranslated intoamachinelanguagewithoutwritten permissionfromthepublishers.Registered names,trademarks,etc.usedinthisbook, evenwhennotspecificallymarkedassuch, arenottobeconsideredunprotectedbylaw. PrintISBN:978-3-527-32719-5 ePDFISBN:978-3-527-64947-1 ePubISBN:978-3-527-64946-4 mobiISBN:978-3-527-64945-7 oBookISBN:978-3-527-64944-0 Cover-Design Formgeber,Mannheim, Germany Typesetting LaserwordsPrivateLimited, Chennai,India PrintingandBinding MarkonoPrintMedia PteLtd,Singapore Printedonacid-freepaper V Contents ListofContributors XIII Preface XIX SectionI CelluloseNanofiber-andMicrofiberBasedComposites 1 1 Cellulose-Nanofiber-BasedMaterials 3 AntonioNorioNakagaitoandHiroyukiYano 1.1 Introduction 3 1.2 ThePercolationandEntanglementPhenomenaofCellulose Nanofibers 4 1.3 Cellulose-Nanofiber-BasedMaterials 7 1.4 ExtractionofCelluloseNanofibers 8 1.5 Cellulose-Nanofiber-BasedMaterialsforStructuralandSemistructural Applications 11 1.6 OpticallyTransparentMaterialsReinforcedwithCellulose Nanofibers 15 1.7 GreenCellulose-Nanofiber-BasedMaterials 18 1.8 FutureProspects 21 Abbreviations 22 References 23 2 FabricationandEvaluationofCellulose-Nanofiber-ReinforcedGreen Composites 27 HitoshiTakagi 2.1 Introduction 27 2.2 CelluloseNanofiber 27 2.3 PreparationofCelluloseNanofibers 28 2.3.1 ChemicalExtractionMethod 28 2.3.2 EnzymaticExtractionMethod 29 2.3.3 PhysicalExtractionMethod 29 2.4 FabricationofCellulose-Nanofiber-ReinforcedComposites 30 2.5 PropertiesofCellulose-Nanofiber-ReinforcedComposites 31 VI Contents 2.5.1 MechanicalProperties 31 2.5.2 ThermalProperties 34 2.5.3 OpticalProperties 38 2.6 Summary 39 Abbreviations 40 References 40 3 CelluloseMicrofibrilsIsolatedfromMusaceaeFibrousResidues 43 RobinZuluagaGallego,Jean-LucPutaux,CristinaCastroHerazo,Juan ManuelVe´lez,In˜akiMondragon,Alon˜aRetegiMiner,and PiedadGan˜a´nRojo 3.1 Introduction 43 3.2 VascularBundles 44 3.3 IsolationandPurificationofCelluloseMicrofibrilsfromVascular Bundles 46 3.4 ChemicalCharacterizationofCelluloseMicrofibrils 46 3.4.1 MonosaccharideComposition 46 3.4.2 InfraredSpectroscopyMeasurements 48 3.5 StructureandMorphologyofCelluloseMicrofibrils 50 3.5.1 X-RayDiffractionAnalysis 50 3.5.2 TransmissionElectronMicroscopy 51 3.5.3 Solid-StateNuclearMagneticResonanceStudies 52 3.6 ThermalBehaviorofCelluloseMicrofibrils 53 3.7 Conclusions 54 3.8 MaterialsandMethods 55 3.8.1 Materials 55 3.8.2 ScanningElectronMicroscopy 55 3.8.3 Anion-ExchangeChromatography 55 3.8.4 AttenuatedTotalReflectionFourierTransformInfrared Spectroscopy 56 3.8.5 TransmissionElectronMicroscopy 56 3.8.6 X-RayDiffraction 56 3.8.7 CP/MAS13CNuclearMagneticResonance 56 3.8.8 ThermogravimetricAnalysis 57 Acknowledgments 57 Abbreviations 57 References 58 4 NanocompositesBasedonMatricesExtractedfromVegetableOilsand BacterialCellulose 63 Alon˜aRetegiMiner,RobinZuluagaGallego,PiedadGan˜a´nRojo,and In˜akiMondragon 4.1 Introduction 63 4.2 VegetableOils 66 4.3 BacterialCellulose 69 Contents VII 4.4 BacterialandPlant-BasedCelluloseNanocompositeswithPolymer Matrices 72 4.5 Applications 74 References 75 5 Nano-andMicrofiberCompositesReinforcedwithCellulose Nanocrystals 79 MariaS.Peresin,JustinO.Zoppe,MariaE.Vallejos,YoussefHabibi, MartinA.Hubbe,andOrlandoJ.Rojas 5.1 Introduction 79 5.2 CelluloseNanocrystals 80 5.3 Electrospinning 81 5.4 CelluloseNanocrystals(CNs)fortheProductionofComposites 83 5.5 ElectrospunNanofibersReinforcedwithCNs 84 5.5.1 CNsinFibrousHydrophobicMatrices 84 5.5.1.1 ThermomechanicalPropertiesofElectrospunComposite Microfibers 86 5.5.2 CNsinPoly(ε-Caprolactone)CompositeFibers 87 5.5.2.1 SurfaceGrafting 87 5.5.2.2 PreparationofDispersionsandElectrospinning 89 5.5.2.3 ProductionandCharacterizationofCompositeNanofibers 89 5.5.2.4 ThermomechanicalPropertiesofPCL-BasedFiber Nanocomposites 91 5.5.3 CNsinCompositeCelluloseAcetateFibers 94 5.5.3.1 PreparationofCASolutionsandElectrospinning 95 5.5.3.2 MorphologicalandThermalCharacterization 95 5.5.4 CNsinPolyvinylAlcoholFibers 96 5.5.4.1 PreparationofPVA-CNSuspension 97 5.5.4.2 Electrospinning 97 5.5.4.3 MorphologicalandChemicalCharacterizationofCN-LoadedPVA NanofiberMats 97 5.5.4.4 ThermalPropertiesofthePVA-CNNanofiberComposites 100 5.5.4.5 MechanicalPropertiesofPVA-CNNanofiberComposites 102 5.6 ApplicationsofCN-BasedComposites 103 5.7 Conclusions 105 Acknowledgments 105 References 105 6 HydrolyticDegradationofNanocompositeFibersElectrospunfrom Poly(LacticAcid)/CelluloseNanocrystals 117 ChunhuiXiangandMargaretW.Frey 6.1 Introduction 117 6.2 Experiments 119 6.2.1 Materials 119 6.2.2 MethodsandTechniques 120 VIII Contents 6.2.2.1 ElevatedTemperatureElectrospinningProcessing 120 6.2.2.2 WaterContactAngleMeasurements 120 6.2.2.3 HydrolyticDegradationofElectrospunNanocompositeFibers 121 6.2.2.4 Microscopy 121 6.2.2.5 SizeExclusionChromatography(SEC) 121 6.2.2.6 ThermogravimetricAnalysis(TGA) 121 6.3 ResultsandDiscussion 122 6.3.1 DistributionofCelluloseNanocrystalsintheElectrospun PLA/CelluloseNanocompositeFibers 122 6.3.2 ThermogravimetricAnalysisofElectrospunPLA/Cellulose NanocompositeFibers 122 6.3.3 Hydrophobicity/HydrophilicityofElectrospunNon-woven Fabrics 123 6.3.4 MorphologiesoftheElectrospunPLA/CelluloseNanocomposite FibersduringHydrolyticDegradation 126 6.3.5 MolecularWeightChangeofPLAintheElectrospunNanocomposite FibersduringHydrolyticDegradation 127 6.4 Conclusions 134 Acknowledgment 134 References 135 SectionII Cellulose-Fiber-BasedComposites 137 7 Environment-Friendly‘‘Green’’ResinsandAdvancedGreen Composites 139 XiaosongHuangandAnilN.Netravali 7.1 Introduction 139 7.2 Experimental 142 7.2.1 Materials 142 7.2.2 PreparationoftheModifiedSPC 142 7.2.3 SpecimenCharacterization 143 7.3 ResultsandDiscussion 144 7.3.1 MechanicalPropertiesoftheModifiedResins 144 7.3.2 CharacterizationofLinenYarnsandLC-CelluloseFibers 146 7.3.3 CharacterizationofLinenYarnsandLC-Cellulose-Fiber-Reinforced Composites 148 7.4 Conclusions 153 Acknowledgments 154 Abbreviations 154 References 154 8 TougheningandStrengtheningofNaturalFiberGreen Composites 157 KoichiGodaandRieNakamura 8.1 Introduction 157
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