3D-Printable Nanocellulose-Based Functional Materials: Fundamentals and Applications
Abstract
:1. Introduction
2. Nanocellulose: Preparation, Treatment, Functionality, and 3D Printability
2.1. Preparation
2.2. Functional Nanocellulose-Based Composite Nanostructures
2.3. Three-Dimensional Printability of Nanocellulose Composites
3. Applications of 3D-Printed Nanocellulose-Based Materials
3.1. Environmental Applications
3.2. Food and Packaging Applications
3.3. Energy and Electrochemical Devices
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Nanocellulose Treatment | Type and Source | Formulation | Printing Method | Area of Application | Reference |
---|---|---|---|---|---|
Hydrothermal and soda pretreatment, PEG plasticizer, interdigitated electrodes, relative humidity sensing | CNF from bagasse (sugarcane residue) | FS_T3.8_P40; CNF film from bagasse treated with NaOH and 3.8 molar, 40% PEG, IDE screen printing | Screen printing via flatbed screen printer (Everbright S-200HF) | Environmental (relative humidity sensing) | [56] |
Carboxymethyl nanocellulose, glycerin, acrylamide, chitosan/AgNPs, cushioning, and antibacterial composite | CMC, (commercially sourced) | (CNGA/C–AgNPs); cushioning 3D-printed structure from 75 vol% glycerine, 1.2 g of N-(2-hydroxyethyl) acrylamide, and functionalized with chitosan–silver nanoparticle (Cts/AgNPS) | Coaxial printing technology via Y&D7300N 3D printer for matrix printing while LSP04-1A syringe pump extrudes the core solution (Cts/AgNPs) concurrently | Food packaging with cushioning and antimicrobial property | [50] |
Fused filament fabrication (FFF)-3D printing. Sisal nanocellulose, polylatic acid composite | CNF from raw sisal fibers |
(3D-PLA/1CNF); polylactic acid with varying CNF concentrations (1/3/5%) | Compression molding and 3D printing using FFF Desktop 3D printer (Fracktal Works Julia V2) | Diverse | [59] |
Hydrothermal treatment, hydrogel–aerogel unidirectional freezing conversion | CNC from cotton-linters-derived microcrystalline cellulose (MCC) powder. | NH4OH for basic medium, carbon nanotube, and CNC for reinforcement and higher viscosity, reduced Graphene oxide (GO) for conductivity | Spray and rod coating | Metal-free electrodes (electrochemical) | [70] |
Plant pulp, nutritional pastes, drying condition | CNF from birch kraft pulp | 10% cold swelling starch + 15% SMP, 60% SSMP, 30% rye bran, 35% OPC or 45% FBPC | Extrusion-based printer | Food printing | [65] |
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Finny, A.S.; Popoola, O.; Andreescu, S. 3D-Printable Nanocellulose-Based Functional Materials: Fundamentals and Applications. Nanomaterials 2021, 11, 2358. https://doi.org/10.3390/nano11092358
Finny AS, Popoola O, Andreescu S. 3D-Printable Nanocellulose-Based Functional Materials: Fundamentals and Applications. Nanomaterials. 2021; 11(9):2358. https://doi.org/10.3390/nano11092358
Chicago/Turabian StyleFinny, Abraham Samuel, Oluwatosin Popoola, and Silvana Andreescu. 2021. "3D-Printable Nanocellulose-Based Functional Materials: Fundamentals and Applications" Nanomaterials 11, no. 9: 2358. https://doi.org/10.3390/nano11092358