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Zhang Y, Liu Y, Dong C, Li R, Zhang X, Wang T, Zhang K. Transparent, thermal stable, water resistant and high gas barrier films from cellulose nanocrystals prepared by reactive deep eutectic solvents. Int J Biol Macromol 2024; 276:134107. [PMID: 39084988 DOI: 10.1016/j.ijbiomac.2024.134107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 07/08/2024] [Accepted: 07/21/2024] [Indexed: 08/02/2024]
Abstract
Nanocellulose-based film, as a novel new type of film mainly made of nanosized cellulose, has demonstrated an ideal combination of renewability and enhanced or novel properties. Considerable efforts have been made to enhance its intrinsic properties or create new functions to expand its applications, such as in food packaging, water treatment or flexible electronics. In this paper, two different types of deep eutectic solvents (guanidine sulfamate-glycerol and guanidine sulfamate-choline chloride) were formulated and applied to prepare cellulose nanocrystals with dialdehyde cellulose (DAC). The effects of reaction conditions including time, temperature and cellulose-DES ratio on the grafting degree and yield were studied. After ultrasonication, two types of CNCs, with an average diameter of 3-5 nm and an average length of 140.7-204.2 nm, were obtained. The synthesized CNCs displayed an enhanced thermal stability compared to pristine cellulose. Moreover, highly transparent (light transmittance higher than 90 %) and water stable nanocellulose based films (a wet tensile strength of higher than 30 MPa after immersing in water for 24 h) were fabricated. Besides, the obtained films exhibited low oxygen transmission rate, showing a good potential application in food packaging.
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Affiliation(s)
- Yutong Zhang
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China
| | - Yun Liu
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Chaohong Dong
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Rong Li
- National Innovation Center of Advanced Dyeing & Finishing Technology, Tai'an, Shandong 271000, China
| | - Xinlei Zhang
- National Innovation Center of Advanced Dyeing & Finishing Technology, Tai'an, Shandong 271000, China
| | - Teng Wang
- National Innovation Center of Advanced Dyeing & Finishing Technology, Tai'an, Shandong 271000, China
| | - Kaitao Zhang
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China; National Innovation Center of Advanced Dyeing & Finishing Technology, Tai'an, Shandong 271000, China.
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Tang Z, Lin X, Yu M, Mondal AK, Wu H. Recent advances in TEMPO-oxidized cellulose nanofibers: Oxidation mechanism, characterization, properties and applications. Int J Biol Macromol 2024; 259:129081. [PMID: 38161007 DOI: 10.1016/j.ijbiomac.2023.129081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 12/06/2023] [Accepted: 12/15/2023] [Indexed: 01/03/2024]
Abstract
Cellulose is the richest renewable polymer source on the earth. TEMPO-mediated oxidized cellulose nanofibers are deduced from enormously available wood biomass and functionalized with carboxyl groups. The preparation procedure of TOCNFs is more environmentally friendly compared to other cellulose, for example, MFC and CNCs. Due to the presence of functional carboxyl groups, TOCNF-based materials have been studied widely in different fields, including biomedicine, wastewater treatment, bioelectronics and others. In this review, the TEMPO oxidation mechanism, the properties and applications of TOCNFs are elaborated. Most importantly, the recent advanced applications and the beneficial role of TOCNFs in the various abovementioned fields are discussed. Furthermore, the performances and research progress on the fabrication of TOCNFs are summarized. It is expected that this timely review will help further research on the invention of novel material from TOCNFs and its applications in different advanced fields, including biomedicine, bioelectronics, wastewater treatment, and the energy sector.
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Affiliation(s)
- Zuwu Tang
- School of Materials and Packaging Engineering, Fujian Polytechnic Normal University, Fuzhou, Fujian 350300, PR China
| | - Xinxing Lin
- School of Materials and Packaging Engineering, Fujian Polytechnic Normal University, Fuzhou, Fujian 350300, PR China
| | - Meiqiong Yu
- School of Materials and Packaging Engineering, Fujian Polytechnic Normal University, Fuzhou, Fujian 350300, PR China; College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350108, PR China; National Forestry and Grassland Administration Key Laboratory of Plant Fiber Functional Materials, Fuzhou, Fujian 350108, PR China
| | - Ajoy Kanti Mondal
- Institute of National Analytical Research and Service, Bangladesh Council of Scientific and Industrial Research, Dhanmondi, Dhaka 1205, Bangladesh.
| | - Hui Wu
- College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350108, PR China; National Forestry and Grassland Administration Key Laboratory of Plant Fiber Functional Materials, Fuzhou, Fujian 350108, PR China.
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