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Published in: Cellulose 12/2020

27-05-2020 | Original Research

Role of cellulose nanocrystals on hysteretic sorption and deformation of nanocomposites

Authors: Mingyang Chen, Benoit Coasne, Dominique Derome, Jan Carmeliet

Published in: Cellulose | Issue 12/2020

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Abstract

A molecular model of an all-cellulose nanocomposite, with an amorphous cellulose matrix reinforced by cellulose nanocrystals, is built to study the role of cellulose nanocrystal (CN) as a nanofiller in the coupled behavior between sorption and deformation. We find two competitive mechanisms. The first mechanism is the reinforcing effect through CN-matrix mechanical interaction, which constrains the sorption-induced swelling of the matrix and results in a reduction of sorption amount and of hysteresis in both sorption and deformation. The second mechanism is the CN-water interaction, enhancing water sorption in the matrix at the CN-matrix interface, increasing the sorption-induced swelling of the matrix, and increasing the resulting hysteresis in sorption and deformation. The final gain/reduction in sorption, swelling and related hysteresis depends on which of the two effects prevails. These findings shed light on the tailoring of cellulose-based composites for applications involving sorption and deformation.

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Literature
go back to reference Blanco A, Monte MC, Campano C et al (2018) Nanocellulose for Industrial Use. Handbook of nanomaterials for industrial applications. Elsevier, Amsterdam, pp 74–126CrossRef Blanco A, Monte MC, Campano C et al (2018) Nanocellulose for Industrial Use. Handbook of nanomaterials for industrial applications. Elsevier, Amsterdam, pp 74–126CrossRef
Metadata
Title
Role of cellulose nanocrystals on hysteretic sorption and deformation of nanocomposites
Authors
Mingyang Chen
Benoit Coasne
Dominique Derome
Jan Carmeliet
Publication date
27-05-2020
Publisher
Springer Netherlands
Published in
Cellulose / Issue 12/2020
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-020-03247-x

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