Evidence-based guidelines for the ultrasonic dispersion of cellulose nanocrystals.
CFD
Cellulose nanocrystals
Dispersion
Multiphysics modeling
Suspensions
Ultrasonication
Journal
Ultrasonics sonochemistry
ISSN: 1873-2828
Titre abrégé: Ultrason Sonochem
Pays: Netherlands
ID NLM: 9433356
Informations de publication
Date de publication:
Mar 2021
Mar 2021
Historique:
received:
09
07
2020
revised:
25
09
2020
accepted:
20
10
2020
pubmed:
14
11
2020
medline:
14
11
2020
entrez:
13
11
2020
Statut:
ppublish
Résumé
Nanoparticles possess unique, size-driven properties. However, they can be challenging to use as they easily agglomerate - their high surface area-to-volume ratio induces strong interparticle forces, generating agglomerates that are difficult to break. This issue prevails in organic particles as well, such as cellulose nanocrystals (CNCs); when in their dried form, strong hydrogen bonding enhances agglomeration. Ultrasonication is widely applied to prepare CNC suspensions, but the methodology employed is non-standardized and typically under-reported, and process efficiency is unknown. This limits the ability to adapt dispersion protocols at industrial scales. Herein, numerical simulations are used in conjunction with validation experiments to define and optimize key parameters for ultrasonic dispersion of CNCs, allowing an operating window to be inferred.
Identifiants
pubmed: 33186861
pii: S1350-4177(20)31682-5
doi: 10.1016/j.ultsonch.2020.105378
pmc: PMC7786632
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
105378Informations de copyright
Copyright © 2020 The Authors. Published by Elsevier B.V. All rights reserved.
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