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Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate
This study aimed to evaluate the effect of ammonium persulfate’s (APS) oxidation time on the characteristics of the cellulose nanocrystals (CNCs) of balsa and kapok fibers after delignification pretreatment with sodium chlorite/acetic acid. This two-step method is important for increasing the zeta p...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8201228/ https://www.ncbi.nlm.nih.gov/pubmed/34200423 http://dx.doi.org/10.3390/polym13111894 |
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author | Marwanto, Marwanto Maulana, Muhammad Iqbal Febrianto, Fauzi Wistara, Nyoman Jaya Nikmatin, Siti Masruchin, Nanang Zaini, Lukmanul Hakim Lee, Seung-Hwan Kim, Nam-Hun |
author_facet | Marwanto, Marwanto Maulana, Muhammad Iqbal Febrianto, Fauzi Wistara, Nyoman Jaya Nikmatin, Siti Masruchin, Nanang Zaini, Lukmanul Hakim Lee, Seung-Hwan Kim, Nam-Hun |
author_sort | Marwanto, Marwanto |
collection | PubMed |
description | This study aimed to evaluate the effect of ammonium persulfate’s (APS) oxidation time on the characteristics of the cellulose nanocrystals (CNCs) of balsa and kapok fibers after delignification pretreatment with sodium chlorite/acetic acid. This two-step method is important for increasing the zeta potential value and achieving higher thermal stability. The fibers were partially delignified using acidified sodium chlorite for four cycles, followed by APS oxidation at 60 °C for 8, 12, and 16 h. The isolated CNCs with a rod-like structure showed an average diameter in the range of 5.5–12.6 nm and an aspect ratio of 14.7–28.2. Increasing the reaction time resulted in a gradual reduction in the CNC dimensions. The higher surface charge of the balsa and kapok CNCs was observed at a longer oxidation time. The CNCs prepared from kapok had the highest colloid stability after oxidation for 16 h (−62.27 mV). The CNCs with higher crystallinity had longer oxidation times. Thermogravimetric analysis revealed that the CNCs with a higher thermal stability had longer oxidation times. All of the parameters were influenced by the oxidation time. This study indicates that APS oxidation for 8–16 h can produce CNCs from delignified balsa and kapok with satisfactory zeta potential values and thermal stabilities. |
format | Online Article Text |
id | pubmed-8201228 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-82012282021-06-15 Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate Marwanto, Marwanto Maulana, Muhammad Iqbal Febrianto, Fauzi Wistara, Nyoman Jaya Nikmatin, Siti Masruchin, Nanang Zaini, Lukmanul Hakim Lee, Seung-Hwan Kim, Nam-Hun Polymers (Basel) Article This study aimed to evaluate the effect of ammonium persulfate’s (APS) oxidation time on the characteristics of the cellulose nanocrystals (CNCs) of balsa and kapok fibers after delignification pretreatment with sodium chlorite/acetic acid. This two-step method is important for increasing the zeta potential value and achieving higher thermal stability. The fibers were partially delignified using acidified sodium chlorite for four cycles, followed by APS oxidation at 60 °C for 8, 12, and 16 h. The isolated CNCs with a rod-like structure showed an average diameter in the range of 5.5–12.6 nm and an aspect ratio of 14.7–28.2. Increasing the reaction time resulted in a gradual reduction in the CNC dimensions. The higher surface charge of the balsa and kapok CNCs was observed at a longer oxidation time. The CNCs prepared from kapok had the highest colloid stability after oxidation for 16 h (−62.27 mV). The CNCs with higher crystallinity had longer oxidation times. Thermogravimetric analysis revealed that the CNCs with a higher thermal stability had longer oxidation times. All of the parameters were influenced by the oxidation time. This study indicates that APS oxidation for 8–16 h can produce CNCs from delignified balsa and kapok with satisfactory zeta potential values and thermal stabilities. MDPI 2021-06-07 /pmc/articles/PMC8201228/ /pubmed/34200423 http://dx.doi.org/10.3390/polym13111894 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Marwanto, Marwanto Maulana, Muhammad Iqbal Febrianto, Fauzi Wistara, Nyoman Jaya Nikmatin, Siti Masruchin, Nanang Zaini, Lukmanul Hakim Lee, Seung-Hwan Kim, Nam-Hun Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate |
title | Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate |
title_full | Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate |
title_fullStr | Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate |
title_full_unstemmed | Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate |
title_short | Effect of Oxidation Time on the Properties of Cellulose Nanocrystals Prepared from Balsa and Kapok Fibers Using Ammonium Persulfate |
title_sort | effect of oxidation time on the properties of cellulose nanocrystals prepared from balsa and kapok fibers using ammonium persulfate |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8201228/ https://www.ncbi.nlm.nih.gov/pubmed/34200423 http://dx.doi.org/10.3390/polym13111894 |
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