Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk

This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of T...
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Autor*in:	Chao Du [verfasserIn] Hailong Li [verfasserIn] Bingyun Li [verfasserIn] Mengru Liu [verfasserIn] Huaiyu Zhan [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue

Übergeordnetes Werk:	In: BioResources - North Carolina State University, 2018, 11(2016), 2, Seite 5276-5284
Übergeordnetes Werk:	volume:11 ; year:2016 ; number:2 ; pages:5276-5284

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.15376/biores.11.2.5276-5284

Katalog-ID:	DOAJ044991282

Internformat


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allfields	10.15376/biores.11.2.5276-5284 doi (DE-627)DOAJ044991282 (DE-599)DOAJebf28aebccd14334a52e09b4f2489f5d DE-627 ger DE-627 rakwb eng TP248.13-248.65 Chao Du verfasserin aut Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased. Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue Biotechnology Hailong Li verfasserin aut Bingyun Li verfasserin aut Mengru Liu verfasserin aut Huaiyu Zhan verfasserin aut In BioResources North Carolina State University, 2018 11(2016), 2, Seite 5276-5284 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:11 year:2016 number:2 pages:5276-5284 https://doi.org/10.15376/biores.11.2.5276-5284 kostenfrei https://doaj.org/article/ebf28aebccd14334a52e09b4f2489f5d kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_5276_Du_Cellulose_Nanofibers_TEMPO_Oxidation kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2016 2 5276-5284
spelling	10.15376/biores.11.2.5276-5284 doi (DE-627)DOAJ044991282 (DE-599)DOAJebf28aebccd14334a52e09b4f2489f5d DE-627 ger DE-627 rakwb eng TP248.13-248.65 Chao Du verfasserin aut Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased. Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue Biotechnology Hailong Li verfasserin aut Bingyun Li verfasserin aut Mengru Liu verfasserin aut Huaiyu Zhan verfasserin aut In BioResources North Carolina State University, 2018 11(2016), 2, Seite 5276-5284 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:11 year:2016 number:2 pages:5276-5284 https://doi.org/10.15376/biores.11.2.5276-5284 kostenfrei https://doaj.org/article/ebf28aebccd14334a52e09b4f2489f5d kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_5276_Du_Cellulose_Nanofibers_TEMPO_Oxidation kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2016 2 5276-5284
allfields_unstemmed	10.15376/biores.11.2.5276-5284 doi (DE-627)DOAJ044991282 (DE-599)DOAJebf28aebccd14334a52e09b4f2489f5d DE-627 ger DE-627 rakwb eng TP248.13-248.65 Chao Du verfasserin aut Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased. Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue Biotechnology Hailong Li verfasserin aut Bingyun Li verfasserin aut Mengru Liu verfasserin aut Huaiyu Zhan verfasserin aut In BioResources North Carolina State University, 2018 11(2016), 2, Seite 5276-5284 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:11 year:2016 number:2 pages:5276-5284 https://doi.org/10.15376/biores.11.2.5276-5284 kostenfrei https://doaj.org/article/ebf28aebccd14334a52e09b4f2489f5d kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_5276_Du_Cellulose_Nanofibers_TEMPO_Oxidation kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2016 2 5276-5284
allfieldsGer	10.15376/biores.11.2.5276-5284 doi (DE-627)DOAJ044991282 (DE-599)DOAJebf28aebccd14334a52e09b4f2489f5d DE-627 ger DE-627 rakwb eng TP248.13-248.65 Chao Du verfasserin aut Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased. Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue Biotechnology Hailong Li verfasserin aut Bingyun Li verfasserin aut Mengru Liu verfasserin aut Huaiyu Zhan verfasserin aut In BioResources North Carolina State University, 2018 11(2016), 2, Seite 5276-5284 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:11 year:2016 number:2 pages:5276-5284 https://doi.org/10.15376/biores.11.2.5276-5284 kostenfrei https://doaj.org/article/ebf28aebccd14334a52e09b4f2489f5d kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_5276_Du_Cellulose_Nanofibers_TEMPO_Oxidation kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2016 2 5276-5284
allfieldsSound	10.15376/biores.11.2.5276-5284 doi (DE-627)DOAJ044991282 (DE-599)DOAJebf28aebccd14334a52e09b4f2489f5d DE-627 ger DE-627 rakwb eng TP248.13-248.65 Chao Du verfasserin aut Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased. Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue Biotechnology Hailong Li verfasserin aut Bingyun Li verfasserin aut Mengru Liu verfasserin aut Huaiyu Zhan verfasserin aut In BioResources North Carolina State University, 2018 11(2016), 2, Seite 5276-5284 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:11 year:2016 number:2 pages:5276-5284 https://doi.org/10.15376/biores.11.2.5276-5284 kostenfrei https://doaj.org/article/ebf28aebccd14334a52e09b4f2489f5d kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_5276_Du_Cellulose_Nanofibers_TEMPO_Oxidation kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2016 2 5276-5284
language	English
source	In BioResources 11(2016), 2, Seite 5276-5284 volume:11 year:2016 number:2 pages:5276-5284
sourceStr	In BioResources 11(2016), 2, Seite 5276-5284 volume:11 year:2016 number:2 pages:5276-5284
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue Biotechnology
isfreeaccess_bool	true
container_title	BioResources
authorswithroles_txt_mv	Chao Du @@aut@@ Hailong Li @@aut@@ Bingyun Li @@aut@@ Mengru Liu @@aut@@ Huaiyu Zhan @@aut@@
publishDateDaySort_date	2016-01-01T00:00:00Z
hierarchy_top_id	513216707
id	DOAJ044991282
language_de	englisch
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callnumber-first	T - Technology
author	Chao Du
spellingShingle	Chao Du misc TP248.13-248.65 misc Corn husk misc TEMPO-mediated oxidation misc Cellulose nanofibers misc Residue misc Biotechnology Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk
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topic_title	TP248.13-248.65 Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk Corn husk TEMPO-mediated oxidation Cellulose nanofibers Residue
topic	misc TP248.13-248.65 misc Corn husk misc TEMPO-mediated oxidation misc Cellulose nanofibers misc Residue misc Biotechnology
topic_unstemmed	misc TP248.13-248.65 misc Corn husk misc TEMPO-mediated oxidation misc Cellulose nanofibers misc Residue misc Biotechnology
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title	Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk
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title_full	Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk
author_sort	Chao Du
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author_browse	Chao Du Hailong Li Bingyun Li Mengru Liu Huaiyu Zhan
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title_sort	characteristics and properties of cellulose nanofibers prepared by tempo oxidation of corn husk
callnumber	TP248.13-248.65
title_auth	Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk
abstract	This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased.
abstractGer	This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased.
abstract_unstemmed	This paper describes preparation of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidized cellulose nanofibers (TOCNs) from corn husk. The process adopted for this work included alkaline treatment, TEMPO/NaBr/NaClO-mediated oxidation, and homogenization. The morphological investigation of TOCNs was performed using atomic force microscopy (AFM) and transmission electron microscopy (TEM). The chemical composition and structure of the material obtained after each stage of the treatments was characterized through Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The thermal stability of the samples was investigated by thermogravimetric analysis (TGA). The obtained TOCNs possessed a narrow width, ranging from 8 to 10 nm, and a high aspect ratio (< 300). The crystallinity type of TOCNs was found to be cellulose-Iβ. Compared with the original fibers, the crystallinity of TOCNs gradually increased because of the removal of hemicellulose and lignin, while the thermal stability decreased.
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title_short	Characteristics and Properties of Cellulose Nanofibers Prepared by TEMPO Oxidation of Corn Husk
url	https://doi.org/10.15376/biores.11.2.5276-5284 https://doaj.org/article/ebf28aebccd14334a52e09b4f2489f5d http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_5276_Du_Cellulose_Nanofibers_TEMPO_Oxidation https://doaj.org/toc/1930-2126
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