Cargando…
Modification of Cellulose Ether with Organic Carbonate for Enhanced Thermal and Rheological Properties: Characterization and Analysis
[Image: see text] Reduction in viscosity at higher temperatures is the main limitation of utilizing cellulose ethers in high thermal reservoir conditions for petroleum industry applications. In this study, cellulose ether (hydroxyethyl methyl cellulose (HEMC)) is modified using organic carbonates, i...
Autores principales: | , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2023
|
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10357580/ https://www.ncbi.nlm.nih.gov/pubmed/37483200 http://dx.doi.org/10.1021/acsomega.3c02974 |
_version_ | 1785075521979154432 |
---|---|
author | Abbas, Ghulam Tunio, Abdul Haque Memon, Khalil Rehman Mahesar, Aftab Ahmed Memon, Faisal Hussain Abbasi, Ghazanfer Raza |
author_facet | Abbas, Ghulam Tunio, Abdul Haque Memon, Khalil Rehman Mahesar, Aftab Ahmed Memon, Faisal Hussain Abbasi, Ghazanfer Raza |
author_sort | Abbas, Ghulam |
collection | PubMed |
description | [Image: see text] Reduction in viscosity at higher temperatures is the main limitation of utilizing cellulose ethers in high thermal reservoir conditions for petroleum industry applications. In this study, cellulose ether (hydroxyethyl methyl cellulose (HEMC)) is modified using organic carbonates, i.e., propylene carbonate (PC) and diethyl carbonate (DEC), to overcome the limitation of reduced viscosity at high temperatures. The polymer composites were characterized through various analytical techniques, including Fourier-transform infrared (FTIR), H-NMR, X-ray diffraction (XRD), scanning electron microscope (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), ζ-potential measurement, molecular weight determination, and rheology measurements. The experimental results of structural and morphological characterization confirm the modification and formation of a new organic carbonate-based cellulose ether. The thermal analysis revealed that the modified composites have greater stability, as the modified samples demonstrated higher vaporization and decomposition temperatures. ζ-potential measurement indicates higher stability of DEC- and PC-modified composites. The relative viscometry measurement revealed that the modification increased the molecular weight of PC- and DEC-containing polymers, up to 93,000 and 99,000 g/moL, respectively. Moreover, the modified composites exhibited higher levels of stability, shear strength and thermal resistance as confirmed by viscosity measurement through rheology determination. The observed increase in viscosity is likely due to the enhanced inter- and intramolecular interaction and higher molecular weight of modified composites. The organic carbonate performed as a transesterification agent that improves the overall properties of cellulose ether (HEMC) at elevated temperatures as concluded from this study. The modification approach in this study will open the doors to new applications and will be beneficial for substantial development in the petroleum industry. |
format | Online Article Text |
id | pubmed-10357580 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-103575802023-07-21 Modification of Cellulose Ether with Organic Carbonate for Enhanced Thermal and Rheological Properties: Characterization and Analysis Abbas, Ghulam Tunio, Abdul Haque Memon, Khalil Rehman Mahesar, Aftab Ahmed Memon, Faisal Hussain Abbasi, Ghazanfer Raza ACS Omega [Image: see text] Reduction in viscosity at higher temperatures is the main limitation of utilizing cellulose ethers in high thermal reservoir conditions for petroleum industry applications. In this study, cellulose ether (hydroxyethyl methyl cellulose (HEMC)) is modified using organic carbonates, i.e., propylene carbonate (PC) and diethyl carbonate (DEC), to overcome the limitation of reduced viscosity at high temperatures. The polymer composites were characterized through various analytical techniques, including Fourier-transform infrared (FTIR), H-NMR, X-ray diffraction (XRD), scanning electron microscope (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), ζ-potential measurement, molecular weight determination, and rheology measurements. The experimental results of structural and morphological characterization confirm the modification and formation of a new organic carbonate-based cellulose ether. The thermal analysis revealed that the modified composites have greater stability, as the modified samples demonstrated higher vaporization and decomposition temperatures. ζ-potential measurement indicates higher stability of DEC- and PC-modified composites. The relative viscometry measurement revealed that the modification increased the molecular weight of PC- and DEC-containing polymers, up to 93,000 and 99,000 g/moL, respectively. Moreover, the modified composites exhibited higher levels of stability, shear strength and thermal resistance as confirmed by viscosity measurement through rheology determination. The observed increase in viscosity is likely due to the enhanced inter- and intramolecular interaction and higher molecular weight of modified composites. The organic carbonate performed as a transesterification agent that improves the overall properties of cellulose ether (HEMC) at elevated temperatures as concluded from this study. The modification approach in this study will open the doors to new applications and will be beneficial for substantial development in the petroleum industry. American Chemical Society 2023-07-04 /pmc/articles/PMC10357580/ /pubmed/37483200 http://dx.doi.org/10.1021/acsomega.3c02974 Text en © 2023 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by-nc-nd/4.0/Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Abbas, Ghulam Tunio, Abdul Haque Memon, Khalil Rehman Mahesar, Aftab Ahmed Memon, Faisal Hussain Abbasi, Ghazanfer Raza Modification of Cellulose Ether with Organic Carbonate for Enhanced Thermal and Rheological Properties: Characterization and Analysis |
title | Modification of
Cellulose Ether with Organic Carbonate
for Enhanced Thermal and Rheological Properties: Characterization
and Analysis |
title_full | Modification of
Cellulose Ether with Organic Carbonate
for Enhanced Thermal and Rheological Properties: Characterization
and Analysis |
title_fullStr | Modification of
Cellulose Ether with Organic Carbonate
for Enhanced Thermal and Rheological Properties: Characterization
and Analysis |
title_full_unstemmed | Modification of
Cellulose Ether with Organic Carbonate
for Enhanced Thermal and Rheological Properties: Characterization
and Analysis |
title_short | Modification of
Cellulose Ether with Organic Carbonate
for Enhanced Thermal and Rheological Properties: Characterization
and Analysis |
title_sort | modification of
cellulose ether with organic carbonate
for enhanced thermal and rheological properties: characterization
and analysis |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10357580/ https://www.ncbi.nlm.nih.gov/pubmed/37483200 http://dx.doi.org/10.1021/acsomega.3c02974 |
work_keys_str_mv | AT abbasghulam modificationofcelluloseetherwithorganiccarbonateforenhancedthermalandrheologicalpropertiescharacterizationandanalysis AT tunioabdulhaque modificationofcelluloseetherwithorganiccarbonateforenhancedthermalandrheologicalpropertiescharacterizationandanalysis AT memonkhalilrehman modificationofcelluloseetherwithorganiccarbonateforenhancedthermalandrheologicalpropertiescharacterizationandanalysis AT mahesaraftabahmed modificationofcelluloseetherwithorganiccarbonateforenhancedthermalandrheologicalpropertiescharacterizationandanalysis AT memonfaisalhussain modificationofcelluloseetherwithorganiccarbonateforenhancedthermalandrheologicalpropertiescharacterizationandanalysis AT abbasighazanferraza modificationofcelluloseetherwithorganiccarbonateforenhancedthermalandrheologicalpropertiescharacterizationandanalysis |