Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents

A deep eutectic solvent (DES) composed of sulfamic acid and glycerol allowed for the sustainable preparation of cellulose nanofibrils (CNF) with simultaneous sulfation. The reaction time and the levels of sulfamic acid demonstrated that fibers could be swelled and sulfated simultaneously by a sulfam...

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Autores principales:	Weidong Li, Yu Xue, Ming He, Jiaqiang Yan, Lucian A. Lucia, Jiachuan Chen, Jinghua Yu, Guihua Yang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	cellulose nanofibril (CNF) deep eutectic solvent (DES) sulfamic acid-glycerol sulfation characterization Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/b63513719d5c4e8da71c9f0d2789fba0
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spelling	oai:doaj.org-article:b63513719d5c4e8da71c9f0d2789fba02021-11-25T18:29:46ZFacile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents10.3390/nano111127782079-4991https://doaj.org/article/b63513719d5c4e8da71c9f0d2789fba02021-10-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/2778https://doaj.org/toc/2079-4991A deep eutectic solvent (DES) composed of sulfamic acid and glycerol allowed for the sustainable preparation of cellulose nanofibrils (CNF) with simultaneous sulfation. The reaction time and the levels of sulfamic acid demonstrated that fibers could be swelled and sulfated simultaneously by a sulfamic acid-glycerol-based DES and swelling also promoted sulfation with a high degree of substitution (0.12). The DES-pretreated fibers were further nanofibrillated by a grinder producing CNF with diameters from 10 nm to 25 nm. The crystallinity ranged from 53–62%, and CNF maintained the original crystal structure. DES pretreatment facilitated cellulose nano-fibrillation and reduced the energy consumption with a maximum reduction of 35%. The films prepared from polyvinyl alcohol (PVA) and CNF showed good UV resistance ability and mechanical properties. This facile and efficient method provided a more sustainable strategy for the swelling, functionalization and nano-fibrillation of cellulose, expanding its application to UV-blocking materials and related fields.Weidong LiYu XueMing HeJiaqiang YanLucian A. LuciaJiachuan ChenJinghua YuGuihua YangMDPI AGarticlecellulose nanofibril (CNF)deep eutectic solvent (DES)sulfamic acid-glycerolsulfationcharacterizationChemistryQD1-999ENNanomaterials, Vol 11, Iss 2778, p 2778 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cellulose nanofibril (CNF) deep eutectic solvent (DES) sulfamic acid-glycerol sulfation characterization Chemistry QD1-999
spellingShingle	cellulose nanofibril (CNF) deep eutectic solvent (DES) sulfamic acid-glycerol sulfation characterization Chemistry QD1-999 Weidong Li Yu Xue Ming He Jiaqiang Yan Lucian A. Lucia Jiachuan Chen Jinghua Yu Guihua Yang Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents
description	A deep eutectic solvent (DES) composed of sulfamic acid and glycerol allowed for the sustainable preparation of cellulose nanofibrils (CNF) with simultaneous sulfation. The reaction time and the levels of sulfamic acid demonstrated that fibers could be swelled and sulfated simultaneously by a sulfamic acid-glycerol-based DES and swelling also promoted sulfation with a high degree of substitution (0.12). The DES-pretreated fibers were further nanofibrillated by a grinder producing CNF with diameters from 10 nm to 25 nm. The crystallinity ranged from 53–62%, and CNF maintained the original crystal structure. DES pretreatment facilitated cellulose nano-fibrillation and reduced the energy consumption with a maximum reduction of 35%. The films prepared from polyvinyl alcohol (PVA) and CNF showed good UV resistance ability and mechanical properties. This facile and efficient method provided a more sustainable strategy for the swelling, functionalization and nano-fibrillation of cellulose, expanding its application to UV-blocking materials and related fields.
format	article
author	Weidong Li Yu Xue Ming He Jiaqiang Yan Lucian A. Lucia Jiachuan Chen Jinghua Yu Guihua Yang
author_facet	Weidong Li Yu Xue Ming He Jiaqiang Yan Lucian A. Lucia Jiachuan Chen Jinghua Yu Guihua Yang
author_sort	Weidong Li
title	Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents
title_short	Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents
title_full	Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents
title_fullStr	Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents
title_full_unstemmed	Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents
title_sort	facile preparation and characteristic analysis of sulfated cellulose nanofibril via the pretreatment of sulfamic acid-glycerol based deep eutectic solvents
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b63513719d5c4e8da71c9f0d2789fba0
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Facile Preparation and Characteristic Analysis of Sulfated Cellulose Nanofibril via the Pretreatment of Sulfamic Acid-Glycerol Based Deep Eutectic Solvents

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