Nanocellulose-based membrane as a potential material for high performance biodegradable aerosol respirators for SARS-CoV-2 prevention: a review

Stanislas, Tido Tiwa; Bilba, Ketty; Santos, Rachel Passos de Oliveira; Onésippe-Potiron, Cristel; Savastano, Holmer; Arsène, Marie-Ange

doi:10.1007/s10570-022-04792-3

Cited by 15 publications

(12 citation statements)

References 107 publications

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“…for WPF-3 to 52.57% for WPF-3/CNF-60 and the density increased from 0.32 to 0.73 g/cm 3 , which indicated that the structure of WPF-3/CNF-60 was much denser. The optical images shown in Figure S4 also indicated that the transparency of the hybrid cellulose fibrous membranes increased with the increment of the dosage of CNFs, indicating the decrease in porosity.…”

Section: Properties Of the Hybrid Fibrous Membranementioning

confidence: 93%

“…Where 1.54 (g/cm 3 ) is the density of the pure fibrous membrane and d (g/cm 3 ) is the density of the sample. 37 3 | RESULTS AND DISCUSSION…”

Section: Characterizationsmentioning

confidence: 99%

“…2 The remaining 58% were either landfilled or released into the environment, where plastics accumulated and persisted for nearly 450 years. 1,3 These obsolete plastics were progressively converting into microplastics, harming marine life and even entering human food chains. 3 Minimizing the consumption of plastics or replacing the majority of petroleum-based plastics with biodegradable and reusable materials is inevitable and indispensable for a sustainable future.…”

Section: Introductionmentioning

confidence: 99%

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A biodegradable cellulose fibrous membrane comprising cellulose microfibers and nanofibrils with enhanced interaction through crosslinking structure

Fan

Xiong

et al. 2023

Polymers for Advanced Techs

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The petroleum‐based materials are widely used in daily life, which are inherently tough to degrade, increasingly polluting the environment and affecting human health. Cellulose fibrous membrane, the ubiquitous, low‐cost, and biodegradable material, can serve as a promising substitute. Herein, the biodegradable cellulose fibrous membranes were constructed with cellulose microfibers made from wood particle fibers (WPF) and the mechanical properties were enhanced by introducing the crosslinking system. The cellulose fibrous membrane made of the original WPF showed low tensile strength (0.1 KPa) and elastic modulus (1 MPa). By adding 10 wt% cellulose nanofibrils (CNFs), the prepared cellulose fibrous membrane exhibited an increase in tensile strength (0.525 MPa) and elastic modulus (535 MPa), respectively. To further improve the mechanical properties, the sodium alginate (SA) and Ca2+ were introduced to crosslink with the CNFs and promote the interaction among SA, CNFs and microfibers, which resulted in a substantial increase in tensile strength (5.62 MPa) and elastic modulus (1660 MPa) due to the formation of the interpenetrating entanglements and anchors. The normalized fracture energy of crosslinked hybrid cellulose fibrous membrane was 100.38 times higher than that of the original WPF membrane and 16 times higher than that of the un‐crosslinked cellulose membrane comprising CNFs. This strategy can serve as the foundation for preparing a mechanically enhanced cellulose fibrous membrane via crosslinking, making it possible to replace petroleum‐based plastics.

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Section: Properties Of the Hybrid Fibrous Membranementioning

confidence: 93%

“…Where 1.54 (g/cm 3 ) is the density of the pure fibrous membrane and d (g/cm 3 ) is the density of the sample. 37 3 | RESULTS AND DISCUSSION…”

Section: Characterizationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A biodegradable cellulose fibrous membrane comprising cellulose microfibers and nanofibrils with enhanced interaction through crosslinking structure

Fan

Xiong

et al. 2023

Polymers for Advanced Techs

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“…As a result, owing to the optimized graphitic structure and the sufficient interaction between rigid OLC and fiber matrix, the strength and toughness of CNFs are simultaneously enhanced. Improving the mechanical properties of the nanofibers can reduce the problem of fiber breaking during the deformation process in their actual use and thus avoid the degradation of their application performance, thus the OLC-reinforced CNFs can be further developed as electrode material in wearable devices as well as absorption and filtration material in masks, filters, and other devices, etc. − Furthermore, this research can also provide some theoretical support for the industrial production of next-generation high-strength, high-modulus, and high-toughness carbon fibers.…”

Section: Introductionmentioning

confidence: 93%

Polyacrylonitrile-Coated Onion-like Carbon Nanoparticles for Carbon Nanofibers with Enhanced Strength and Toughness

Zhang

Zhu

Yuan

et al. 2022

ACS Appl. Nano Mater.

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Due to the typical strong and tough graphitic structures, carbon nanofibers (CNFs) theoretically have excellent mechanical properties. However, in practice, the defects and misalignments in these crystal domains always jeopardize the performance of CNFs and limit their further application. In this case, this paper takes onion-like carbon (OLC) as an effective nanofiller to optimize the fiber graphitic structure and produces composite CNFs with enhanced strength and toughness. For this purpose, the in situ polymerization technique is specially developed for the rapid and uniform distribution of OLC in the polyacrylonitrile (PAN) precursor of CNFs. The obtained PAN-coated OLC nanoparticles successfully avoid the agglomeration of nanofillers and can be further electrospun into OLC uniformly doped PAN nanofibers. Owing to the interaction between OLC and PAN matrix, the crystal domains in PAN precursor nanofibers are thicker and transformed from integrated shish-kebab structures into nanofibril crystals with better regularity and orientation. In the subsequent stabilization and carbonization processes, these crystalline nanofibrils are considered to be the structural basis for the formation of oriented and continuous graphitic domains in final CNFs. Meanwhile, the graphitic shells of OLC are confirmed to act as the template in the carbonization process to induce and promote the crystallization of the surrounding fiber matrix and transform the turbostratic structures in fiber crystal domains into more orderly graphitic structures with increased size and continuity. Furthermore, the embedded nanoscale OLC can co-move and continuously interact with the resulting graphitic domains during the deformation process for load transfer. As a result, the tensile strength and elongation at break of OLC-reinforced CNFs increase by 53.5 and 34.0%, respectively. The strong and tough composite CNFs may help to avoid the potential fiber breaking in their practical use and be further applied in wearable capacitors, masks, filters, etc.

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“…Hydrogels are solid-liquid systems with three-dimensional cross-linked networks, formed by a variety of watersoluble polymers. It is possible to formulate gels with of microbeads (Coombs OBrien et al 2017), for preparing air-filtering systems (Lippi et al 2022;Stanislas et al 2022), and as a component in composite materials (Miao and Hamad 2013;Riva et al 2021;Lan et al 2022;Tanpichai et al 2022).…”

mentioning

confidence: 99%

TEMPO-oxidized cellulose nanofibril/polyvalent cations hydrogels: a multifaceted view of network interactions and inner structure

et al. 2023

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In the last years, hydrogels from renewable biopolymers and low-cost row materials are a hot topic for biomedical applications. In this context, cellulose nanofibrils are considered suitable building blocks for the synthesis of many biocompatible products, with a variety of chemical-physical properties. Herein we report a multi-technique and multi-scale study, from the molecular to the nanometric length scale, of the sol–gel transition observed in aqueous solutions of TEMPO-oxidized nano-sized cellulose fibrils (TOCNFs), when in the presence of polyvalent cations (Mg2+ and Ca2+). We combine the data from Small Angle Neutron Scattering (SANS), which provide information about the inner structure of the nanofibril, with those from UV Resonant Raman (UVRR) spectroscopy, which is a sensitive probe of the intra- and inter-molecular interactions in the gel and the liquid state. The transition between the gel and the liquid phases is investigated as a function of the concentration of both TOCNFs and cations, the nature of the latter, and the pH at which the phenomenon is observed. SANS analysis reveals that ion concentration induces an anisotropic swelling in the nanofibrils which, at the same time, become more and more flexible. The nanofibrils flexibility is also dependent on TOCNF concentration and pH value. UVRR allows us to elucidate the structural organization and hydrogen-bonding properties of water in aqueous TOCNF dispersions and gels, showing how water molecules partially lose their typical bulk-like tetrahedral organization when ions are added, and the gel phase is formed. Graphical abstract

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Nanocellulose-based membrane as a potential material for high performance biodegradable aerosol respirators for SARS-CoV-2 prevention: a review

Cited by 15 publications

References 107 publications

A biodegradable cellulose fibrous membrane comprising cellulose microfibers and nanofibrils with enhanced interaction through crosslinking structure

A biodegradable cellulose fibrous membrane comprising cellulose microfibers and nanofibrils with enhanced interaction through crosslinking structure

Polyacrylonitrile-Coated Onion-like Carbon Nanoparticles for Carbon Nanofibers with Enhanced Strength and Toughness

TEMPO-oxidized cellulose nanofibril/polyvalent cations hydrogels: a multifaceted view of network interactions and inner structure

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