Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films

Chitosan/cellulose nanocrystals (CH-CN) films were obtained by casting of dispersions, and treated withNaOH for neutralization proposes. The composition of films was varied from 1 to 10 wt.% of CN. Changesin the morphology of the systems were correlated with the different properties studied. FTIR re...

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Autores: Corsello, Flavia Anahí, Bolla, Patricia Araceli, Anbinder, Pablo Sebastián, Serradell, María de los Ángeles, Amalvy, Javier Ignacio, Peruzzo, Pablo José
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2017
País:Argentina
Institución:Universidad Nacional de La Plata
Repositorio:SEDICI (UNLP)
Idioma:inglés
OAI Identifier:oai:sedici.unlp.edu.ar:10915/103532
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/103532
Access Level:acceso abierto
Palabra clave:Química
Chitosan
Cellulose nanocrystals
Bionanocomposites
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spelling Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite filmsCorsello, Flavia AnahíBolla, Patricia AraceliAnbinder, Pablo SebastiánSerradell, María de los ÁngelesAmalvy, Javier IgnacioPeruzzo, Pablo JoséQuímicaChitosanCellulose nanocrystalsBionanocompositesChitosan/cellulose nanocrystals (CH-CN) films were obtained by casting of dispersions, and treated withNaOH for neutralization proposes. The composition of films was varied from 1 to 10 wt.% of CN. Changesin the morphology of the systems were correlated with the different properties studied. FTIR revealedthe presence of a weak interaction between the polymer matrix and nanofiller, confirmed by a slightlyincrease in thermal stability. SEM images suggested that incorporating CN amounts higher than 3 wt.%generates phase-segregated systems, and SAXS showed that CH avoid the typical organization of CN atconcentrations below 5 wt.%. Improved performance against water was obtained in composite materialscomparing to the pure polymer matrix, as well as CH and CH-CN films did not show antibacterial activitydemonstrating that remnant acetic acid, when no neutralization step is done, plays an important role inthis property.Instituto de Investigaciones Fisicoquímicas Teóricas y AplicadasCentro de Investigación y Desarrollo en Ciencias Aplicadas2017info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf452-459http://sedici.unlp.edu.ar/handle/10915/103532enginfo:eu-repo/semantics/altIdentifier/issn/0144-8617info:eu-repo/semantics/altIdentifier/doi/10.1016/j.carbpol.2016.09.031info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2024-05-08T13:00:21Zoai:sedici.unlp.edu.ar:10915/103532Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292024-05-08 13:00:22.124SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
title Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
spellingShingle Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
Corsello, Flavia Anahí
Química
Chitosan
Cellulose nanocrystals
Bionanocomposites
title_short Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
title_full Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
title_fullStr Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
title_full_unstemmed Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
title_sort Morphology and properties of neutralized chitosan-cellulosenanocrystals biocomposite films
dc.creator.none.fl_str_mv Corsello, Flavia Anahí
Bolla, Patricia Araceli
Anbinder, Pablo Sebastián
Serradell, María de los Ángeles
Amalvy, Javier Ignacio
Peruzzo, Pablo José
author Corsello, Flavia Anahí
author_facet Corsello, Flavia Anahí
Bolla, Patricia Araceli
Anbinder, Pablo Sebastián
Serradell, María de los Ángeles
Amalvy, Javier Ignacio
Peruzzo, Pablo José
author_role author
author2 Bolla, Patricia Araceli
Anbinder, Pablo Sebastián
Serradell, María de los Ángeles
Amalvy, Javier Ignacio
Peruzzo, Pablo José
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Química
Chitosan
Cellulose nanocrystals
Bionanocomposites
topic Química
Chitosan
Cellulose nanocrystals
Bionanocomposites
description Chitosan/cellulose nanocrystals (CH-CN) films were obtained by casting of dispersions, and treated withNaOH for neutralization proposes. The composition of films was varied from 1 to 10 wt.% of CN. Changesin the morphology of the systems were correlated with the different properties studied. FTIR revealedthe presence of a weak interaction between the polymer matrix and nanofiller, confirmed by a slightlyincrease in thermal stability. SEM images suggested that incorporating CN amounts higher than 3 wt.%generates phase-segregated systems, and SAXS showed that CH avoid the typical organization of CN atconcentrations below 5 wt.%. Improved performance against water was obtained in composite materialscomparing to the pure polymer matrix, as well as CH and CH-CN films did not show antibacterial activitydemonstrating that remnant acetic acid, when no neutralization step is done, plays an important role inthis property.
publishDate 2017
dc.date.none.fl_str_mv 2017
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/103532
url http://sedici.unlp.edu.ar/handle/10915/103532
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0144-8617
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.carbpol.2016.09.031
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
452-459
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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