1
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Samyn P, Everaerts J, Chandroth AM, Cosemans P, Malek O. A feasibility study on femtosecond laser texturing of sprayed nanocellulose coatings. Carbohydr Polym 2024; 340:122307. [PMID: 38858026 DOI: 10.1016/j.carbpol.2024.122307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/08/2024] [Accepted: 05/20/2024] [Indexed: 06/12/2024]
Abstract
Nanocelluloses are emerging as natural materials with favourable properties for coating industry and can be applied by state-of-the-art spraying technology. While additional functionalities are commonly introduced through chemical modification, the surface microstructuring of nanocellulose coatings with high throughput methods remains unexplored. Here, a femtosecond laser is used for texturing spray-coated coatings made of cellulose nanofibrils (CNF) or cellulose nanocrystals (CNC). For coating thickness of 1.5 to 8 μm, processing limits were determined with maximum ablation energy linearly increasing with coating thickness and minimum ablation energy decreasing or increasing depending on the apparent coating density. Within applicable processing window of pulse rate and power setting, the operational ranges were determined for creating one-dimensional and two-dimensional surface patterns, requiring a higher laser energy for CNC compared to CNF coatings and yielding thinnest possible resolved patterns of 17 μm as determined by the laser spot diameter. The laser ablation under low energy corresponds to an increase in surface roughness and intensifies surface hydrophilicity, while the line patterns are able to pin water droplets with rising water contact angles up to 90°. Present feasibility study opens future possibilities for managing surface properties of nanocellulose coatings in applications where tuning of surface hydrophilicity is required.
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Affiliation(s)
- Pieter Samyn
- SIRRIS, Department of Innovations in Circular Economy and Renewable Materials, Gaston Geenslaan 8, B-3001 Leuven, Belgium.
| | - Joris Everaerts
- KULeuven, Department of Materials Engineering, Kasteelpark Arenberg 44 box 2450, B-3001 Leuven, Belgium
| | | | - Patrick Cosemans
- SIRRIS, Department of Innovations in Circular Economy and Renewable Materials, Gaston Geenslaan 8, B-3001 Leuven, Belgium
| | - Olivier Malek
- SIRRIS, Department of Manufacturing Systems and Technologies, Thor park 8027, B-3600 Genk, Belgium
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2
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Mandin S, Metilli L, Karrouch M, Lancelon-Pin C, Putaux JL, Chèvremont W, Paineau E, Hengl N, Jean B, Pignon F. Chiral nematic nanocomposites with pitch gradient elaborated by filtration and ultraviolet curing of cellulose nanocrystal suspensions. Carbohydr Polym 2024; 337:122162. [PMID: 38710556 DOI: 10.1016/j.carbpol.2024.122162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/15/2024] [Accepted: 04/11/2024] [Indexed: 05/08/2024]
Abstract
An innovative method combining frontal filtration with ultraviolet (UV) curing has been implemented to design cellulosic nanocomposite films with controlled anisotropic textures from nanometric to micrometric length scales. Namely, an aqueous suspension containing poly (ethylene glycol) diacrylate polymer (PEGDA) as a photocurable polymer and cellulose nanocrystals (CNCs) at a 70/30 mass ratio was processed by frontal filtration, followed by in-situ UV-curing in a dedicated cell. This procedure allowed designing nanocomposite films with highly oriented and densely-packed CNCs, homogeneously distributed in a PEGDA matrix over a thickness of ca. 500 μm. The nanocomposite films were investigated with small-angle X-ray scattering (SAXS), by raster-scanning along their height with a 25 μm vertically-collimated X-ray beam. The CNCs exhibited a high degree of orientation, with their director aligned parallel to the membrane surface, combined with an increase in the degree of alignment as concentration increased towards the membrane surface. Scanning electron microscopy images of fractured films showed the presence of regularly spaced bands lying perpendicular to the applied transmembrane pressure, highlighting the presence of a chiral nematic (cholesteric) organization of the CNCs with a pitch gradient that increased from the membrane surface to the bulk.
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Affiliation(s)
- S Mandin
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France
| | - L Metilli
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - M Karrouch
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France
| | - C Lancelon-Pin
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - J-L Putaux
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - W Chèvremont
- ESRF, The European Synchrotron, CS 40220, F-38043 Grenoble Cedex 9, France
| | - E Paineau
- Université Paris Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay Cedex, France
| | - N Hengl
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France
| | - B Jean
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - F Pignon
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France.
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3
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Kim J, Lee K, Kim S, Sohn BH. Orientation and stretching of supracolloidal chains of diblock copolymer micelles by spin-coating process. NANOSCALE 2024; 16:10377-10387. [PMID: 38739015 DOI: 10.1039/d4nr00663a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
Supracolloidal chains consisting of nano- or micro-scale particles exhibit anisotropic properties not observed in individual particles. The orientation of the chains is necessary to manifest such characteristics on a macroscopic scale. In this study, we demonstrate the orientation of supracolloidal chains composed of nano-scale micelles of a diblock copolymer through spin-coating. We observed separate chains coated on a substrate with electron microscopy, and analyzed the orientation and stretching of the chains quantitatively with image analysis software. In drop-casting, the chains were coated randomly with no preferred orientation, and the degree of stretching exhibited an intrinsic semi-flexible nature. In contrast, spin-coated chains were aligned in the radial direction, and the apparent persistence length of the chain increased, confirming the stretching of the chain quantitatively. Furthermore, by incorporating fluorophores into supracolloidal chains and confirming the oriented chains with confocal fluorescence microscopy, it is demonstrated that oriented chains can be utilized as a template to align functional materials.
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Affiliation(s)
- Jaemin Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Kyunghyeon Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Sangyoon Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Byeong-Hyeok Sohn
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
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4
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Mujica R, Augustine A, Pauly M, Battie Y, Decher G, Houérou VL, Felix O. Nature-Inspired Helicoidal Nanocellulose-Based Multi-Compartment Assemblies with Tunable Chiroptical Properties. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2401742. [PMID: 38635929 DOI: 10.1002/adma.202401742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/05/2024] [Indexed: 04/20/2024]
Abstract
Cellulose-based nanocomposites are highly appealing for the development of next-generation sustainable functional materials. Although many advances have been made in this direction, the true potential of fibrillar nanocomposites has yet to be realized because available fabrication approaches are inadequate for achieving precise structural control at the sub-micrometer scale. Here a spray-assisted alignment methodology of cellulose nanofibrils is combined with the layer-by-layer assembly into an additive manufacturing process in which the alignment direction of each cellulose layer is rationally selected to achieve thin films with a helicoidal arrangement of the nanofibrils. The helicoidal structure of the films is verified by measuring the circular dichroism (CD) of the samples. The sign and position of the structural CD peak show that the handedness and the pitch of the chiral structures can be easily tuned by deliberately selecting simple parameters, such as the number of consecutive cellulose layers sprayed in the same direction, and the angle of rotation between successive stacks of layers. To the authors' knowledge, this approach is unique as it offers the possibility to prepare complex nanocomposite architectures with various nanoscale-controlled sub-structures from different anisometric objects, which is enabling novel designs of composite films with damage-resistant and/or optical filtering functionalities.
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Affiliation(s)
- Randy Mujica
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR22, Strasbourg, F-67000, France
| | - Anusree Augustine
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR22, Strasbourg, F-67000, France
| | - Matthias Pauly
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR22, Strasbourg, F-67000, France
- International Center for Materials Nanoarchitectonics, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yann Battie
- Université de Lorraine, LCP-A2MC, Metz, F-57078, France
| | - Gero Decher
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR22, Strasbourg, F-67000, France
- International Center for Materials Nanoarchitectonics, Tsukuba, Ibaraki, 305-0044, Japan
- International Center for Frontier Research in Chemistry, Strasbourg, F-67083, France
| | - Vincent Le Houérou
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR22, Strasbourg, F-67000, France
- Université de Strasbourg, CNRS, ICube UMR 7357, Illkirch, F-67412, France
| | - Olivier Felix
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR22, Strasbourg, F-67000, France
- International Center for Materials Nanoarchitectonics, Tsukuba, Ibaraki, 305-0044, Japan
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5
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An Q, Ren J, Jia X, Qu S, Zhang N, Li X, Fan G, Pan S, Zhang Z, Wu K. Anisotropic materials based on carbohydrate polymers: A review of fabrication strategies, properties, and applications. Carbohydr Polym 2024; 330:121801. [PMID: 38368095 DOI: 10.1016/j.carbpol.2024.121801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 02/19/2024]
Abstract
Anisotropic structures exist in almost all living organisms to endow them with superior properties and physiological functionalities. However, conventional artificial materials possess unordered isotropic structures, resulting in limited functions and applications. The development of anisotropic structures on carbohydrates is reported to have an impact on their properties and applications. In this review, various alignment strategies for carbohydrates (i.e., cellulose, chitin and alginate) from bottom-up to top-down strategies are discussed, including the rapidly developed innovative technologies such as shear-induced orientation through extrusion-based 3D/4D printing, magnetic-assisted alignment, and electric-induced alignment. The unique properties and wide applications of anisotropic carbohydrate materials across different fields, from biomedical, biosensors, smart actuators, soft conductive materials, to thermal management are also summarized. Finally, recommendations on the selection of fabrication strategies are given. The major challenge lies in the construction of long-range hierarchical alignment with high orientation degree and precise control over complicated architectures. With the future development of hierarchical alignment strategies, alignment control techniques, and alignment mechanism elucidation, the potential of anisotropic carbohydrate materials for scalable manufacture and clinical applications will be fully realized.
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Affiliation(s)
- Qi An
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Jingnan Ren
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Xiao Jia
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Shasha Qu
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Nawei Zhang
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Xiao Li
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Gang Fan
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China.
| | - Siyi Pan
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Zhifeng Zhang
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China; Ningxia Huaxinda Health Technology Co., Ltd., Lingwu 751400, China
| | - Kangning Wu
- Ningxia Huaxinda Health Technology Co., Ltd., Lingwu 751400, China
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6
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Bi H, Wei Y, Wang Z, Chen G. Fundamental investigation of micro-nano cellulose and lignin interaction for transparent paper: Experiment and electrostatic potential calculation. Int J Biol Macromol 2024; 260:129180. [PMID: 38184038 DOI: 10.1016/j.ijbiomac.2023.129180] [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: 10/16/2023] [Revised: 12/26/2023] [Accepted: 12/30/2023] [Indexed: 01/08/2024]
Abstract
Plastic has significant negative consequences for the environment and human health, demanding greener alternatives. Lignocellulose is a sustainable biomass material, and its paper has been considered as a potential material to replace plastics. Micro-nano lignocellulose, derived from natural plants, possesses a small size and abundant hydrogen bonding capacity. However, there is no clear explanation for the interactions between lignin and micro-nano cellulose, and little understanding of how the interaction can affect the papers' structure and optical properties. Electrostatic potential calculation is a reliable tool to explain non-covalent interactions, and can explore the binding between lignin and micro-nano cellulose. In this paper, kenaf - a non-wood fiber raw material - was employed to prepare micro-nano lignocellulose. The resulting slurry facilitated the production of transparent paper via a simple casting method. The prepared transparent micro-nano paper exhibited high transparency (~90 %), UVA resistance (~80 %), and hydrophobicity (~114°). More importantly, the electrostatic potential calculation demonstrates the inherent relationship between structure and performance, providing practical knowledge for constructing film materials.
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Affiliation(s)
- Hongfu Bi
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yuan Wei
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Zi Wang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Gang Chen
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China; Guangdong Engineering Technology Research and Development Center of Specialty Paper and Paper-Based Functional Materials, South China University of Technology, Guangzhou 510640, China.
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7
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Brakat A, Zhu H. From Forces to Assemblies: van der Waals Forces-Driven Assemblies in Anisotropic Quasi-2D Graphene and Quasi-1D Nanocellulose Heterointerfaces towards Quasi-3D Nanoarchitecture. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2399. [PMID: 37686907 PMCID: PMC10489977 DOI: 10.3390/nano13172399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/14/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023]
Abstract
In the pursuit of advanced functional materials, the role of low-dimensional van der Waals (vdW) heterointerfaces has recently ignited noteworthy scientific interest, particularly in assemblies that incorporate quasi-2D graphene and quasi-1D nanocellulose derivatives. The growing interest predominantly stems from the potential to fabricate distinct genres of quasi-2D/1D nanoarchitecture governed by vdW forces. Despite the possibilities, the inherent properties of these nanoscale entities are limited by in-plane covalent bonding and the existence of dangling π-bonds, constraints that inhibit emergent behavior at heterointerfaces. An innovative response to these limitations proposes a mechanism that binds multilayered quasi-2D nanosheets with quasi-1D nanochains, capitalizing on out-of-plane non-covalent interactions. The approach facilitates the generation of dangling bond-free iso-surfaces and promotes the functionalization of multilayered materials with exceptional properties. However, a gap still persists in understanding transition and alignment mechanisms in disordered multilayered structures, despite the extensive exploration of monolayer and asymmetric bilayer arrangements. In this perspective, we comprehensively review the sophisticated aspects of multidimensional vdW heterointerfaces composed of quasi-2D/1D graphene and nanocellulose derivatives. Further, we discuss the profound impacts of anisotropy nature and geometric configurations, including in-plane and out-of-plane dynamics on multiscale vdW heterointerfaces. Ultimately, we shed light on the emerging prospects and challenges linked to constructing advanced functional materials in the burgeoning domain of quasi-3D nanoarchitecture.
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Affiliation(s)
| | - Hongwei Zhu
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
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8
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The interaction between nanocellulose and microorganisms for new degradable packaging: A review. Carbohydr Polym 2022; 295:119899. [DOI: 10.1016/j.carbpol.2022.119899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/08/2022] [Accepted: 07/16/2022] [Indexed: 11/19/2022]
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9
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Wang Q, Zhou R, Sun J, Liu J, Zhu Q. Naturally Derived Janus Cellulose Nanomaterials: Anisotropic Cellulose Nanomaterial Building Blocks and Their Assembly into Asymmetric Structures. ACS NANO 2022; 16:13468-13491. [PMID: 36075202 DOI: 10.1021/acsnano.2c04883] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Naturally derived cellulose nanomaterials (CNMs) with desirable physicochemical properties have drawn tremendous attention for their versatile applications in a broad range of fields. More recently, Janus amphiphilic cellulose nanomaterial particles with asymmetric structures (i.e., reducing and nonreducing ends and crystalline and amorphous domains) have been in the spotlight, offering a rich and sophisticated toolbox for Janus nanomaterials. With careful surface and interfacial engineering, Janus CNM particles have demonstrated great potential as surface modifiers, emulsifiers, stabilizers, compatibilizers, and dispersants in emulsions, nanocomposites, and suspensions. Naturally derived Janus CNM particles offer a fascinating opportunity for scaling up the production of self-standing Janus CNM membranes. Nevertheless, most Janus CNM membranes to date are constructed by asymmetric fabrication or asymmetric modification without considering the Janus traits of CNM particles. More future research should focus on the self-assembly of Janus CNM particles into bulk self-standing Janus CNM membranes to enable more straightforward and sustainable approaches for Janus membranes. This review explores the fabrication, structure-property relationship, and Janus configuration mechanisms of Janus CNM particles and membranes. Janus CNM membranes are highlighted for their versatile applications in liquid, thermal, and light management. This review also highlights the significant advances and future perspectives in the construction and application of sustainable Janus CNM particles and membranes.
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Affiliation(s)
- Qianqian Wang
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
- State Key Laboratory of Bio-based Materials and Green Papermaking, Qilu University of Technology, Jinan 250353, People's Republic of China
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200438, People's Republic of China
| | - Rui Zhou
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Jun Liu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Qianqian Zhu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
- State Key Laboratory of Bio-based Materials and Green Papermaking, Qilu University of Technology, Jinan 250353, People's Republic of China
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10
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Ariga K, Lvov Y, Decher G. There is still plenty of room for layer-by-layer assembly for constructing nanoarchitectonics-based materials and devices. Phys Chem Chem Phys 2021; 24:4097-4115. [PMID: 34942636 DOI: 10.1039/d1cp04669a] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Nanoarchitectonics approaches can produce functional materials from tiny units through combination of various processes including atom/molecular manipulation, chemical conversion, self-assembly/self-organization, microfabrication, and bio-inspired procedures. Existing fabrication approaches can be regarded as fitting into the same concept. In particular, the so-called layer-by-layer (LbL) assembly method has huge potential for preparing applicable materials with a great variety of assembling mechanisms. LbL assembly is a multistep process where different components can be organized in planned sequences while simple alignment options provide access to superstructures, for example helical structures, and anisotropies which are important aspects of nanoarchitectonics. In this article, newly-featured examples are extracted from the literature on LbL assembly discussing trends for composite functional materials according to (i) principles and techniques, (ii) composite materials, and (iii) applications. We present our opinion on the present trends, and the prospects of LbL assembly. While this method has already reached a certain maturity, there is still plenty of room for expanding its usefulness for the fabrication of nanoarchitectonics-based materials and devices.
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Affiliation(s)
- Katsuhiko Ariga
- WPI Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan. .,Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
| | - Yuri Lvov
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA, 71272, USA
| | - Gero Decher
- WPI Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan. .,Université de Strasbourg, Faculté de Chimie and CNRS Institut Charles Sadron, F-67000 Strasbourg, France.,International Center for Frontier Research in Chemistry, F-67083 Strasbourg, France
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11
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Dias OAT, Konar S, Pakharenko V, Graziano A, Leão AL, Tjong J, Jaffer S, Sain M. Regioselective Protection and Deprotection of Nanocellulose Molecular Design Architecture: Robust Platform for Multifunctional Applications. Biomacromolecules 2021; 22:4980-4987. [PMID: 34791880 DOI: 10.1021/acs.biomac.1c00909] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Regioselectively substituted nanocellulose was synthesized by protecting the primary hydroxyl group. Herein, we took advantage of the different reactivities of primary and secondary hydroxyl groups to graft large capping structures. This study mainly focuses on regioselective installation of trityl protecting groups on nanocellulose chains. The elemental analysis and nuclear magnetic resonance spectroscopy of regioselectively substituted nanofibrillated cellulose (NFC) suggested that the trityl group was successfully grafted in the primary hydroxyl group with a degree of substitution of nearly 1. Hansen solubility parameters were employed, and the binary system composed of an ionic liquid and pyridine as a base was revealed to be the optimum condition for regioselective functionalization of nanocellulose. Interestingly, the dissolution of NFC in the ionic liquid and the subsequent deprotection process of NFC substrates hardly affected the crystalline structure of NFC (3.6% decrease in crystallinity). This method may provide endless possibilities for the design of advanced engineered nanomaterials with multiple functionalities. We envisage that this protection/deprotection approach may lead to a bright future for the fabrication of multifunctional devices based on nanocellulose.
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Affiliation(s)
- Otavio Augusto Titton Dias
- Centre for Biocomposites and Biomaterials Processing, John H. Daniels Faculty of Architecture, Landscape, and Design, University of Toronto, Toronto, Ontario M5S 3B3, Canada
| | - Samir Konar
- Centre for Biocomposites and Biomaterials Processing, John H. Daniels Faculty of Architecture, Landscape, and Design, University of Toronto, Toronto, Ontario M5S 3B3, Canada.,Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S3G8, Canada
| | - Viktoriya Pakharenko
- Centre for Biocomposites and Biomaterials Processing, John H. Daniels Faculty of Architecture, Landscape, and Design, University of Toronto, Toronto, Ontario M5S 3B3, Canada
| | - Antimo Graziano
- Department of Mechanical and Aerospace Engineering, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - Alcides Lopes Leão
- College of Agricultural Sciences, São Paulo State University (Unesp), Botucatu, São Paulo 18610307, Brazil
| | - Jimi Tjong
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S3G8, Canada
| | - Shaffiq Jaffer
- TOTAL American Services Inc., Hopkinton, Massachusetts 01748, United States
| | - Mohini Sain
- Centre for Biocomposites and Biomaterials Processing, John H. Daniels Faculty of Architecture, Landscape, and Design, University of Toronto, Toronto, Ontario M5S 3B3, Canada.,Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S3G8, Canada
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12
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Mechanical properties of cellulose nanofibril papers and their bionanocomposites: A review. Carbohydr Polym 2021; 273:118507. [PMID: 34560938 DOI: 10.1016/j.carbpol.2021.118507] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/14/2021] [Accepted: 07/26/2021] [Indexed: 12/25/2022]
Abstract
Cellulose nanofibril (CNF) paper has various applications due to its unique advantages. Herein, we present the intrinsic mechanical properties of CNF papers, along with the preparation and properties of nanoparticle-reinforced CNF composite papers. The literature on CNF papers reveals a strong correlation between the intrafibrillar network structure and the resulting mechanical properties. This correlation is found to hold for all primary factors affecting mechanical properties, indicating that the performance of CNF materials depends directly on and can be tailored by controlling the intrafibrillar network of the system. The parameters that influence the mechanical properties of CNF papers were critically reviewed. Moreover, the effect on the mechanical properties by adding nanofillers to CNF papers to produce multifunctional composite products was discussed. We concluded this article with future perspectives and possible developments in CNFs and their bionanocomposite papers.
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13
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Ishida K, Yokota S, Kondo T. Localized surface acetylation of aqueous counter collision cellulose nanofibrils using a Pickering emulsion as an interfacial reaction platform. Carbohydr Polym 2021; 261:117845. [PMID: 33766341 DOI: 10.1016/j.carbpol.2021.117845] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/07/2021] [Accepted: 02/19/2021] [Indexed: 11/30/2022]
Abstract
The self-organization of nano-sized fibrous building blocks is essential for the construction of biomimetic architectonics and hierarchically constructed bio-based materials. The localization of hydrophobic moieties on the surfaces of such nanofibrils is key to hierarchical assembly in aqueous systems. In this study, unique self-assembling fibrous building blocks comprising amphiphilic cellulose nanofibrils (CNFs) were prepared by aqueous counter collision (ACC). The purpose of the study was to control the surface properties of ACC-CNFs by selectively acetylating their surfaces at the oil/water interfaces of a Pickering emulsion. Localized interfacial reactions occurred when the ACC-CNFs were adsorbed onto the surfaces of oil droplets containing the reaction reagents. Such acetylation reactions were achieved whilst maintaining the crystallinity and fibrous morphology of the original CNFs. The surfaces of films cast from the acetylated ACC-CNFs described herein had unique self-aggregation properties that contrasted markedly with those of films cast from acetylated ACC-CNFs prepared in homogenous dispersions.
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Affiliation(s)
- Koichiro Ishida
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
| | - Shingo Yokota
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
| | - Tetsuo Kondo
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
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14
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Hasan KMF, Horváth PG, Bak M, Alpár T. A state-of-the-art review on coir fiber-reinforced biocomposites. RSC Adv 2021; 11:10548-10571. [PMID: 35423548 PMCID: PMC8695778 DOI: 10.1039/d1ra00231g] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 02/16/2021] [Indexed: 01/31/2023] Open
Abstract
The coconut (Cocos nucifera) fruits are extensively grown in tropical countries. The use of coconut husk-derived coir fiber-reinforced biocomposites is on the rise nowadays due to the constantly increasing demand for sustainable, renewable, biodegradable, and recyclable materials. Generally, the coconut husk and shells are disposed of as waste materials; however, they can be utilized as prominent raw materials for environment-friendly biocomposite production. Coir fibers are strong and stiff, which are prerequisites for coir fiber-reinforced biocomposite materials. However, as a bio-based material, the produced biocomposites have various performance characteristics because of the inhomogeneous coir material characteristics. Coir materials are reinforced with different thermoplastic, thermosetting, and cement-based materials to produce biocomposites. Coir fiber-reinforced composites provide superior mechanical, thermal, and physical properties, which make them outstanding materials as compared to synthetic fiber-reinforced composites. However, the mechanical performances of coconut fiber-reinforced composites could be enhanced by pretreating the surfaces of coir fiber. This review provides an overview of coir fiber and the associated composites along with their feasible fabrication methods and surface treatments in terms of their morphological, thermal, mechanical, and physical properties. Furthermore, this study facilitates the industrial production of coir fiber-reinforced biocomposites through the efficient utilization of coir husk-generated fibers.
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Affiliation(s)
- K M Faridul Hasan
- Simonyi Károly Faculty of Engineering, University of Sopron Sopron Hungary
| | | | - Miklós Bak
- Simonyi Károly Faculty of Engineering, University of Sopron Sopron Hungary
| | - Tibor Alpár
- Simonyi Károly Faculty of Engineering, University of Sopron Sopron Hungary
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15
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Peng N, Huang D, Gong C, Wang Y, Zhou J, Chang C. Controlled Arrangement of Nanocellulose in Polymeric Matrix: From Reinforcement to Functionality. ACS NANO 2020; 14:16169-16179. [PMID: 33314921 DOI: 10.1021/acsnano.0c08906] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Nanocellulose, the most abundant crystalline polysaccharide nanomaterial on Earth, has been widely used for the reinforcement of polymeric materials owing to its high elastic modulus, low density, high aspect ratio, biocompatibility, and biodegradability. In this Perspective, we offer a brief overview of recent progress in the controllable arrangement of nanocellulose in polymeric matrices, including highly oriented structure, helical structure, and gradient structure. We then discuss the current nanotechnologies that enable the arrangement of nanocellulose in nanocomposite materials. Finally, we describe future opportunities, challenges, and research directions in this active research area.
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Affiliation(s)
- Na Peng
- College of Chemistry and Molecular Sciences, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Da Huang
- College of Chemistry and Molecular Sciences, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China
| | - Chen Gong
- College of Chemistry and Molecular Sciences, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China
| | - Yixiang Wang
- Department of Food Science and Agricultural Chemistry, McGill University, Ste Anne de Bellevue, Quebec H9X 3 V9, Canada
| | - Jinping Zhou
- College of Chemistry and Molecular Sciences, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China
| | - Chunyu Chang
- College of Chemistry and Molecular Sciences, Engineering Research Center of Natural Polymer-based Medical Materials in Hubei Province, and Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China
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