Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement

The influence of nanocellulose on oil well cement (OWC) properties is not known in detail, despite recent advances in nanocellulose technology and its related composite materials. The effect of cellulose nanofibers (CNFs) on flow, hydration, morphology, and strength of OWC was investigated using a r...

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Autores principales: Sun, Xiuxuan, Wu, Qinglin, Lee, Sunyoung, Qing, Yan, Wu, Yiqiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4985826/
https://www.ncbi.nlm.nih.gov/pubmed/27526784
http://dx.doi.org/10.1038/srep31654
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author Sun, Xiuxuan
Wu, Qinglin
Lee, Sunyoung
Qing, Yan
Wu, Yiqiang
author_facet Sun, Xiuxuan
Wu, Qinglin
Lee, Sunyoung
Qing, Yan
Wu, Yiqiang
author_sort Sun, Xiuxuan
collection PubMed
description The influence of nanocellulose on oil well cement (OWC) properties is not known in detail, despite recent advances in nanocellulose technology and its related composite materials. The effect of cellulose nanofibers (CNFs) on flow, hydration, morphology, and strength of OWC was investigated using a range of spectroscopic methods coupled with rheological modelling and strength analysis. The Vom-Berg model showed the best fitting result of the rheology data. The addition of CNFs increased the yield stress of OWC slurry and degree of hydration value of hydrated CNF-OWC composites. The flexural strength of hydrated OWC samples was increased by 20.7% at the CNF/OWC ratio of 0.04 wt%. Excessive addition of CNFs into OWC matrix had a detrimental effect on the mechanical properties of hydrated CNF-OWC composites. This phenomenon was attributed to the aggregation of CNFs as observed through coupled morphological and elemental analysis. This study demonstrates a sustainable reinforcing nano-material for use in cement-based formulations.
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spelling pubmed-49858262016-08-22 Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement Sun, Xiuxuan Wu, Qinglin Lee, Sunyoung Qing, Yan Wu, Yiqiang Sci Rep Article The influence of nanocellulose on oil well cement (OWC) properties is not known in detail, despite recent advances in nanocellulose technology and its related composite materials. The effect of cellulose nanofibers (CNFs) on flow, hydration, morphology, and strength of OWC was investigated using a range of spectroscopic methods coupled with rheological modelling and strength analysis. The Vom-Berg model showed the best fitting result of the rheology data. The addition of CNFs increased the yield stress of OWC slurry and degree of hydration value of hydrated CNF-OWC composites. The flexural strength of hydrated OWC samples was increased by 20.7% at the CNF/OWC ratio of 0.04 wt%. Excessive addition of CNFs into OWC matrix had a detrimental effect on the mechanical properties of hydrated CNF-OWC composites. This phenomenon was attributed to the aggregation of CNFs as observed through coupled morphological and elemental analysis. This study demonstrates a sustainable reinforcing nano-material for use in cement-based formulations. Nature Publishing Group 2016-08-16 /pmc/articles/PMC4985826/ /pubmed/27526784 http://dx.doi.org/10.1038/srep31654 Text en Copyright © 2016, The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Sun, Xiuxuan
Wu, Qinglin
Lee, Sunyoung
Qing, Yan
Wu, Yiqiang
Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement
title Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement
title_full Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement
title_fullStr Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement
title_full_unstemmed Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement
title_short Cellulose Nanofibers as a Modifier for Rheology, Curing and Mechanical Performance of Oil Well Cement
title_sort cellulose nanofibers as a modifier for rheology, curing and mechanical performance of oil well cement
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4985826/
https://www.ncbi.nlm.nih.gov/pubmed/27526784
http://dx.doi.org/10.1038/srep31654
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