Generation of Spherical Cellulose Nanoparticles from Ionic Liquid Processing via Novel Nonsolvent Addition and Drying

Al-Hakkak, Jafar; Grigsby, Warren J.; Kathirgamanathan, Kalyani; Edmonds, Neil R.

doi:10.1155/2019/2081027

Cited by 23 publications

(17 citation statements)

References 17 publications

(18 reference statements)

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Section: Ils-assisted Processing Of Bioresources For Nanocellulose Pr...mentioning

confidence: 99%

“…Recently, Hakkak and co-workers 84 regenerated spherical cellulose nanoparticles from MCC using [Emim][OAc] where acetonitrile and water were used as nonsolvents. First, cellulose in [Emim][OAc] solution was prepared under the nitrogen atmosphere at 80 °C for 16 h. For the regeneration, acetonitrile was added to the solution and subsequently washed with acetone four times and diethyl ether three times.…”

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confidence: 99%

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Ionic Liquids as a Sustainable Platform for Nanocellulose Processing from Bioresources: Overview and Current Status

Haron

Mahmood

Noh

et al. 2021

ACS Sustainable Chem. Eng.

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The two-fold threats of the crisis of petrochemical industry-based plastics and serious environmental pollution have triggered the valorization of naturally occurring biopolymers to produce nanocellulose (NC). Nanocellulose has been used extensively in a variety of demanding applications due to its excellent features including biocompatibility, light weight, tunable surface properties, and improved environmental footprint. However, the sustainable production of NC is still confronted with bottlenecks to realize commercial feasibility due to poor solubility and hard processability of biopolymers using conventional hazardous solvents and reagents including concentrated sulfuric acid. The key might rest on the use of ionic liquids (ILs) that have induced a great deal of interest in recent years as powerful “green” solvents for biopolymer processing. ILs can be used as a catalyst and/or reaction medium and/or swelling agent for NC production with an eminent yield of high-quality NC under mild operating conditions coupled with proficient recoverability and recyclability. This review presents the recent technological developments of ILs-assisted proper valorization strategies of numerous bioresources for NC isolation and modification. The impact of IL cation/anion on structural changes of NC is also covered. The major advances in exploring ILs for NC surface modification reactions such as esterification, silylation, and surface plasticization as well as the microscopic insights of NC interaction with ILs are also reviewed. In view of the dominance of green chemistry principles for high purity of the recovered nanocellulose, close R&D endeavors for cheap and biodegradable ILs conjoined with emerging recycling techniques might boost sustainable commercialization.

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Section: Ils-assisted Processing Of Bioresources For Nanocellulose Pr...mentioning

confidence: 99%

mentioning

confidence: 99%

Ionic Liquids as a Sustainable Platform for Nanocellulose Processing from Bioresources: Overview and Current Status

Haron

Mahmood

Noh

et al. 2021

ACS Sustainable Chem. Eng.

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“…In the domain of sphere-shaped cellulose-based nanoparticles, nanoprecipitation [ 94 , 159 , 160 , 161 , 162 , 163 , 164 , 165 , 166 ], and emulsification processes [ 167 , 168 , 169 , 170 , 171 , 172 , 173 ] are the most used production methodologies, although other less common approaches, namely mechanical treatments [ 174 , 175 , 176 , 177 ], chemical and/or enzymatic treatments [ 178 , 179 , 180 , 181 , 182 ], and layer-by-layer assembly [ 183 ], can also be used to assemble nanospheres [ 179 , 181 , 182 ] and nanocapsules [ 159 , 168 , 169 , 183 ]. Regarding the cellulosic substrate, most of the studies, as in the case of cellulose-based microparticles, report the use of cellulose derivatives, such as CA [ 184 ], CMC [ 159 , 168 , 183 ] and EC [ 141 , 161 , 169 , 170 , 171 , 172 , 173 , 185 ], although some examples of native cellulo...…”

Section: Production Of Spherical Cellulose-based Nanoparticlesmentioning

confidence: 99%

“…The nanoprecipitation method has also been applied using pure cellulose dissolved in alternative solvents, such as ILs [ 165 ]. Regarding the parameters that influence this process, the H-bond acidity of the antisolvent has been shown to affect the regeneration of pure cellulose from ILs.…”

Section: Production Of Spherical Cellulose-based Nanoparticlesmentioning

confidence: 99%

Spherical Cellulose Micro and Nanoparticles: A Review of Recent Developments and Applications

et al. 2021

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Cellulose, the most abundant natural polymer, is a versatile polysaccharide that is being exploited to manufacture innovative blends, composites, and hybrid materials in the form of membranes, films, coatings, hydrogels, and foams, as well as particles at the micro and nano scales. The application fields of cellulose micro and nanoparticles run the gamut from medicine, biology, and environment to electronics and energy. In fact, the number of studies dealing with sphere-shaped micro and nanoparticles based exclusively on cellulose (or its derivatives) or cellulose in combination with other molecules and macromolecules has been steadily increasing in the last five years. Hence, there is a clear need for an up-to-date narrative that gathers the latest advances on this research topic. So, the aim of this review is to portray some of the most recent and relevant developments on the use of cellulose to produce spherical micro- and nano-sized particles. An attempt was made to illustrate the present state of affairs in terms of the go-to strategies (e.g., emulsification processes, nanoprecipitation, microfluidics, and other assembly approaches) for the generation of sphere-shaped particles of cellulose and derivatives thereof. A concise description of the application fields of these cellulose-based spherical micro and nanoparticles is also presented.

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“…Generating the uniform spherical nanoparticles is problematic through chemical, ionic liquid, or mechanical approaches. Hakkak et al [97] reported a novel facile method for creating and isolating spherical cellulose nanoparticles from the ionic liquid using acetonitrile nonsolvent addition. This novel method of regenerating the spherical nanoparticles is a simple procedure which produces the spherical cellulose nanoparticles of the size range 100-400 nm with high uniformity.…”

Section: Spherical Cellulose Nanoparticlesmentioning

confidence: 99%

Nanocellulose as Reinforcement Materials for Polymer Matrix Composites

Punia

Tokas

Bhadu

et al. 2021

Handbook of Nanocelluloses

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Cellulose is one of the most desirable materials with no exceptions. In recent years, considerable work on nanocellulose-based polymer composites has played a significant role in the production of sustainable and efficient materials. Different kinds of nanocelluloses, derived from bottom-up strategy (bacterial celluloses) to top-down strategy (cellulose nanofiber and nanocrystal), are probably suitable for a wide range of industrial applications. The form of a nanomaterial, as well as the choice of the polymer matrix, is indeed crucial for producing well-defined nanocomposites from a polymer-fill-compatible viewpoint for the desirable reinforcement and precise application. Cellulose nanofiber (CNF) and cellulose nanocrystal (CNC) are some of the nanocellulosic materials to produce the polymer-based nanocomposites. Because of several important properties such as biocompatibility, CNCs have attracted great attention from polymer researchers as strengtheners of nanocomposite fillers. Their preparation is quite challenging because of its extensive formulation, which may lack in compatibility with the polymer. This problem might be averted via several covalent and noncovalent interactions. The main focus is on melting processes and a brief discussion on their synthesis and properties that have not yet been accurately processed and continued to be a challenge. This chapter will provide a general guide for the design and use of nanocellulose properties and the development of functional polymers for polymer/nanocellulose compounds to pave the way for different interactions between polymer and fillers via different processing methods.

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Generation of Spherical Cellulose Nanoparticles from Ionic Liquid Processing via Novel Nonsolvent Addition and Drying

Cited by 23 publications

References 17 publications

Ionic Liquids as a Sustainable Platform for Nanocellulose Processing from Bioresources: Overview and Current Status

Ionic Liquids as a Sustainable Platform for Nanocellulose Processing from Bioresources: Overview and Current Status

Spherical Cellulose Micro and Nanoparticles: A Review of Recent Developments and Applications

Nanocellulose as Reinforcement Materials for Polymer Matrix Composites

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