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Supramolecular Structure Characterization of Cellulose II Nanowhiskers Produced by Acid Hydrolysis of Cellulose I Substrates

dc.rights.licenseopen
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
hal.structure.identifierTeam 2 LCPO : Biopolymers & Bio-sourced Polymers
dc.contributor.authorSÈBE, Gilles
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
hal.structure.identifierTeam 2 LCPO : Biopolymers & Bio-sourced Polymers
dc.contributor.authorHAM-PICHAVANT, Frédérique
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
dc.contributor.authorIBARBOURE, Emmanuel
hal.structure.identifierSwiss Federal Laboratories for Materials Science and Technology [Dübendorf] [EMPA]
dc.contributor.authorKOFFI, Akissi Lydie Chantal
hal.structure.identifierSwiss Federal Laboratories for Materials Science and Technology [Dübendorf] [EMPA]
dc.contributor.authorTINGAUT, Philippe
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2012
dc.identifier.issn1525-7797
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/20486
dc.description.abstractEnCellulose II nanowhiskers (CNW-II) were produced by treatment of microcrystalline cellulose with sulfuric acid by both controlling the amount of H2SO4 introduced and the time of addition during the hydrolysis process. The crystalline structure was confirmed by both XRD and C-13 CP-MAS NMR spectroscopy. When observed between crossed polarizers, the cellulose II suspension displayed flow birefringence and was stable for several months. The CNW-II nanowhiskers were significantly smaller than the cellulose I nanowhiskers (CNW-I) and had a rounded shape at the tip. The CNW-II average length and height were estimated by AFM to be 153 +/- 66 and 4.2 +/- 1.5 nm, respectively. An average width of 6.3 +/- 1.7 nm was found by TEM, suggesting a ribbon-shape morphology for these whiskers. The average dimensions of the CNW-II elementary crystallites were estimated from the XRD data, using Scherrer's equation. A tentative cross-sectional geometry consistent with both XRD and NMR data was then proposed and compared with the geometry of the CNW-I nanowhiskers
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enPOLYMORPHS
dc.subject.enC-13 NMR
dc.subject.enMICROCRYSTALLINE CELLULOSE
dc.subject.enELECTRON-MICROSCOPY
dc.subject.enNATIVE CELLULOSE
dc.subject.enNANOCRYSTALS
dc.subject.enNANOCOMPOSITES
dc.subject.enDIFFRACTION
dc.subject.enWHISKERS
dc.subject.enFIBERS
dc.title.enSupramolecular Structure Characterization of Cellulose II Nanowhiskers Produced by Acid Hydrolysis of Cellulose I Substrates
dc.typeArticle de revue
dc.identifier.doi10.1021/bm201777j
dc.subject.halChimie/Polymères
bordeaux.journalBiomacromolecules
bordeaux.page570-578
bordeaux.volume13
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.issue2
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-00747623
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00747623v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Biomacromolecules&rft.date=2012&rft.volume=13&rft.issue=2&rft.spage=570-578&rft.epage=570-578&rft.eissn=1525-7797&rft.issn=1525-7797&rft.au=S%C3%88BE,%20Gilles&HAM-PICHAVANT,%20Fr%C3%A9d%C3%A9rique&IBARBOURE,%20Emmanuel&KOFFI,%20Akissi%20Lydie%20Chantal&TINGAUT,%20Philippe&rft.genre=article


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