Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals

The self-assembly of cellulose nanocrystals can tether their interfacial interactions and the associated properties of their constructs. For instance, assemblies of highly aligned cellulose nanocrystals (CNCs) bear improved mechanical strength, barrier properties, and piezoelectric response. In this...

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Detalhes bibliográficos
Autores: Borrero López, Antonio María, Greca, Luiz G., Rojas, Orlando J., Tardy, Blaise L.
Formato: artículo
Fecha de publicación:2022
País:España
Recursos:Universidad de Huelva (UHU)
Repositorio:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Idioma:inglés
OAI Identifier:oai:ariasmontano.uhu.es:10272/22199
Acesso em linha:https://hdl.handle.net/10272/22199
Access Level:acceso abierto
Palavra-chave:Adhesion
Self-assembly
Supramolecular interactions
Cellulose nanocrystals
Rheology
Confinemen
3303 Ingeniería y Tecnología Químicas
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spelling Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystalsBorrero López, Antonio MaríaGreca, Luiz G.Rojas, Orlando J.Tardy, Blaise L.AdhesionSelf-assemblySupramolecular interactionsCellulose nanocrystalsRheologyConfinemen3303 Ingeniería y Tecnología QuímicasThe self-assembly of cellulose nanocrystals can tether their interfacial interactions and the associated properties of their constructs. For instance, assemblies of highly aligned cellulose nanocrystals (CNCs) bear improved mechanical strength, barrier properties, and piezoelectric response. In this study, the self-assembly of CNC superstructure was assessed under various confinement geometries, enabling optimization of the long-range order within the microstructures formed. The confinement involved the planar capillary (with a rectangular cross-section)formed between two glass substrates with silicone boundaries. The impact of temperature, width and thickness of the capillary plane on self-assembly of the micro-scaled lamellar structures was evaluated. Thinner capillaries and lower temperatures were found to considerably improve long-range order and increase the frequency of the periodic microstructures formed. The drying process was monitored by rheological analysis, which showed an initial fast drying followed by slow drying due to the hindered diffusion through lamellae. The adhesive properties of the formed superstructures were evaluated. The shear strength was shown to depend on the orientation of the superstructures and therefore of the CNCs. About 4 MPa adhesion strength was obtained when the lamellar superstructures were perpendicularly aligned with respect to the in-plane force applied, while ca. 3 MPa adhesion was obtained for parallel alignment. The experimental framework described herein enabled the evaluation of the impact of the dimensions of a drying meniscus on self-assembly of anisometric colloids while also linking cellulosic assemblies with their interfacial supramolecular interactions. This simple framework brings forward the possibility to correlate the behavior of nanometric objects with micro- and macro-scaled observations, e.g., macro-scaled mechanics of adhesion.Springer20222022-01-0120222022-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/10272/22199reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelvainstname:Universidad de Huelva (UHU)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Atribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:ariasmontano.uhu.es:10272/221992026-06-02T14:58:11Z
dc.title.none.fl_str_mv Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
title Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
spellingShingle Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
Borrero López, Antonio María
Adhesion
Self-assembly
Supramolecular interactions
Cellulose nanocrystals
Rheology
Confinemen
3303 Ingeniería y Tecnología Químicas
title_short Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
title_full Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
title_fullStr Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
title_full_unstemmed Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
title_sort Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
dc.creator.none.fl_str_mv Borrero López, Antonio María
Greca, Luiz G.
Rojas, Orlando J.
Tardy, Blaise L.
author Borrero López, Antonio María
author_facet Borrero López, Antonio María
Greca, Luiz G.
Rojas, Orlando J.
Tardy, Blaise L.
author_role author
author2 Greca, Luiz G.
Rojas, Orlando J.
Tardy, Blaise L.
author2_role author
author
author
dc.contributor.none.fl_str_mv
dc.subject.none.fl_str_mv Adhesion
Self-assembly
Supramolecular interactions
Cellulose nanocrystals
Rheology
Confinemen
3303 Ingeniería y Tecnología Químicas
topic Adhesion
Self-assembly
Supramolecular interactions
Cellulose nanocrystals
Rheology
Confinemen
3303 Ingeniería y Tecnología Químicas
description The self-assembly of cellulose nanocrystals can tether their interfacial interactions and the associated properties of their constructs. For instance, assemblies of highly aligned cellulose nanocrystals (CNCs) bear improved mechanical strength, barrier properties, and piezoelectric response. In this study, the self-assembly of CNC superstructure was assessed under various confinement geometries, enabling optimization of the long-range order within the microstructures formed. The confinement involved the planar capillary (with a rectangular cross-section)formed between two glass substrates with silicone boundaries. The impact of temperature, width and thickness of the capillary plane on self-assembly of the micro-scaled lamellar structures was evaluated. Thinner capillaries and lower temperatures were found to considerably improve long-range order and increase the frequency of the periodic microstructures formed. The drying process was monitored by rheological analysis, which showed an initial fast drying followed by slow drying due to the hindered diffusion through lamellae. The adhesive properties of the formed superstructures were evaluated. The shear strength was shown to depend on the orientation of the superstructures and therefore of the CNCs. About 4 MPa adhesion strength was obtained when the lamellar superstructures were perpendicularly aligned with respect to the in-plane force applied, while ca. 3 MPa adhesion was obtained for parallel alignment. The experimental framework described herein enabled the evaluation of the impact of the dimensions of a drying meniscus on self-assembly of anisometric colloids while also linking cellulosic assemblies with their interfacial supramolecular interactions. This simple framework brings forward the possibility to correlate the behavior of nanometric objects with micro- and macro-scaled observations, e.g., macro-scaled mechanics of adhesion.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022-01-01
2022
2022-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10272/22199
url https://hdl.handle.net/10272/22199
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname:Universidad de Huelva (UHU)
instname_str Universidad de Huelva (UHU)
reponame_str Arias Montano. Repositorio Institucional de la Universidad de Huelva
collection Arias Montano. Repositorio Institucional de la Universidad de Huelva
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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