Cover Image, Volume 12, Issue 2

Assis, Camilla Abbati de; Iglesias, María Celeste; Bilodeau, Michael; Johnson, Donna A.; Phillips, Robert; Peresin, María Soledad; Bilek, E.M.; Rojas, Orlando J.; Venditti, Richard A.; Gonzalez, Ronalds

doi:10.1002/bbb.1874

Cited by 3 publications

(4 citation statements)

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“…The relatively high production costs stem mainly from the strong sulfuric acid hydrolysis resulting in complicated purification and recycling conditions. By contrast, the production of CNF is significantly cheaper, with the MPSP ‐ estimated to achieve a 16% hurdle rate ‐ and for different scenarios ranging from USD 1893/t to USD 2440/t (dry equivalent) . Here, the major contributor to the cost is the price of raw material, generally chemical wood pulp that makes up ≈60% of the total.…”

Section: Discussionmentioning

confidence: 99%

Advanced Materials through Assembly of Nanocelluloses

et al. 2018

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There is an emerging quest for lightweight materials with excellent mechanical properties and economic production, while still being sustainable and functionalizable. They could form the basis of the future bioeconomy for energy and material efficiency. Cellulose has long been recognized as an abundant polymer. Modified celluloses were, in fact, among the first polymers used in technical applications; however, they were later replaced by petroleum-based synthetic polymers. Currently, there is a resurgence of interest to utilize renewable resources, where cellulose is foreseen to make again a major impact, this time in the development of advanced materials. This is because of its availability and properties, as well as economic and sustainable production. Among cellulose-based structures, cellulose nanofibrils and nanocrystals display nanoscale lateral dimensions and lengths ranging from nanometers to micrometers. Their excellent mechanical properties are, in part, due to their crystalline assembly via hydrogen bonds. Owing to their abundant surface hydroxyl groups, they can be easily modified with nanoparticles, (bio)polymers, inorganics, or nanocarbons to form functional fibers, films, bulk matter, and porous aerogels and foams. Here, some of the recent progress in the development of advanced materials within this rapidly growing field is reviewed.

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Section: Discussionmentioning

confidence: 99%

Advanced Materials through Assembly of Nanocelluloses

et al. 2018

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“…Based on risk analysis reported by Assis et al, CNC presents 95% probability of production costs lower than USD 5900/t (dry equivalent), [93] while CNF shows minimum product selling prices of USD 1893/t (dry equivalent). [94] Moreover, their low solid content is a remaining challenge. Although BNC can be produced at industrial scales through microbial fermentation, its high production cost restricts its large volume commercial applications.…”

Section: Nanoscale Cellulose Fibers (Nanocellulose)mentioning

confidence: 99%

Versatile Wood Cellulose for Biodegradable Electronics

Fang

Qiu

Kuang

et al. 2021

Adv Materials Technologies

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Versatile wood cellulose, the most prototypical abundant polymer on earth, is considered a promising natural material for the fabrication of biodegradable electronics. The development of biodegradable electronics may help alleviate the adverse environmental impact caused by the fast‐growing electronic waste (e‐waste). The focus of this review is to discuss recent major advances in biodegradable electronics with versatile wood cellulose in terms of supporting substrates and functional components. First, the biological biodegradation and structural hierarchy of versatile wood cellulose is briefly introduced, followed by highlighting three types of cellulose substrates (opaque and hazy cellulose paper, transparent and clear cellulose film, and transparent and hazy cellulose film) for biodegradable electronics. Then, recent progress and research achievements in the use of versatile wood cellulose with multiscale dimensions in biodegradable electronics as a functional component (e.g., advanced light management layer, high capacitance dielectric, and ionic conductor) or even smart materials (e.g., mechanochromic layer, humidity sensing layer, adaptable adhesive layer, and piezoelectric component) are summarized in detail. Finally, an overview of challenges and perspectives for biodegradable electronics with versatile cellulose is provided.

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“…A number of nanofibrillation techniques are available, all of which are categorized into two typical approaches representing either top-down disintegration or bottom-up regeneration of NFs (Figure 7a). [84][85][86] Once nanofibrillated, the NFs are then formed into NFRPs and/ or nanopapers using typical sheet-forming techniques, such Reproduced with permission. [78] Copyright 2012, Elsevier.…”

Section: Materials and Nanofibrillation For Nfrps And Nanopapersmentioning

confidence: 99%

“…[91,92] More detailed information on the overall top-down nanofibrillation process is available elsewhere. [84,93] Creating nanopapers in bottom-up fashion, on the other hand, obviates the need for a high-energy apparatus by taking advantage of supramolecular self-assembly of NFs from a solution. Several solvent systems (e.g., aqueous alkali/urea, [94,95] halide/ organic solvent, [96] ionic liquids, [97] etc.)…”

Section: Materials and Nanofibrillation For Nfrps And Nanopapersmentioning

confidence: 99%

Optically Transparent Multiscale Composite Films for Flexible and Wearable Electronics

2020

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One of the key breakthroughs enabling flexible electronics with novel form factors is the deployment of flexible polymer films in place of brittle glass, which is one of the major structural materials for conventional electronic devices. Flexible electronics requires polymer films with the core properties of glass (i.e., dimensional stability and transparency) while retaining the pliability of the polymer, which, however, is fundamentally intractable due to the mutually exclusive nature of these characteristics. An overview of a transparent fiber‐reinforced polymer, which is suggested as a potentially viable structural material for emerging flexible/wearable electronics, is provided. This includes material concept and fabrication and a brief review of recent research progress on its applications over the past decade.

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Cover Image, Volume 12, Issue 2

Abstract: The cover image, by Camilla Abbati de Assis et al., is based on the Modeling and Analysis Cellulose micro‐ and nanofibrils (CMNF) manufacturing ‐ financial and risk assessment, DOI: .

Cited by 3 publications

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Advanced Materials through Assembly of Nanocelluloses

Advanced Materials through Assembly of Nanocelluloses

Versatile Wood Cellulose for Biodegradable Electronics

Optically Transparent Multiscale Composite Films for Flexible and Wearable Electronics

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