Cellulose Nanocomposites

Feldman, D.

doi:10.1080/10601325.2015.1007279

Cited by 31 publications

(6 citation statements)

References 95 publications

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“…This gave rise to many subsequent studies which have increased enormously over the years [44]. As such, various nanocomposite materials which with cellulose nanomaterials been developed and many of them are currently undergoing commercialization [45].…”

Section: Nanocomposite Materialsmentioning

confidence: 99%

Cellulose based Nano-Composites and Applications

Tetyana

2022

Advanced Applications of Micro and Nano Clay

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Cellulose is an abundant, naturally occurring and bio-degradable material that has been examined as a possible replacement for conventional materials such as plastics which are known to be toxic to the environment. Cellulose nanomaterials, which can be produced directly from cellulose, offer unique properties and structures that have proven useful for a myriad of applications globally. Currently, cellulose nanomaterials have found widespread use in numerous fields including the biomedical, pharmaceutical, packaging, and the food technology industries. Thus, this chapter reports on the properties of cellulose nanomaterials and cellulose nanocomposites and their use in various fields or industries.

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Section: Nanocomposite Materialsmentioning

confidence: 99%

Cellulose based Nano-Composites and Applications

Tetyana

2022

Advanced Applications of Micro and Nano Clay

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“…Cellulose nanocomposites find application in many areas such as packaging, optoelectric, barrier, electronics, biomedical, paper, textiles, military, etc. (Feldman, 2015) Thus, there is a need to improve the compatibility between cellulose nanoparticles and hydrophobic polymer matrices through understanding chemical modifications.…”

Section: Introductionmentioning

confidence: 99%

Characterization and Sustainable Retting of Ragweed Fibers

Irvin¹,

Tate²,

Holthaus³

et al. 2020

SAMPE 2020 | Virtual Series

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This work aims to characterize the North American native plant, Ambrosia trifida, commonly known as ragweed. The purpose of this research is to build a cost-effective manufacturing process that will produce quality microfibers to be used as a reinforcement in polymer matrix composite (PMC) applications. Chemical retting methods were employed and evaluated based on cellulose content extracted. Hydrogen peroxide (H2O2) was used to expedite the retting process as previous experiments have shown it to produce cellulose with less impurities. Water retting was conducted in parallel with H2O2. Distilled, tap, and river water were compared based on impurities and time allotted. Sodium hydroxide chemical treatment was used to cleanse the fiber from non-cellulose material. The overall mechanical properties of natural fiber reinforced PMC are highly dependent on morphology, aspect ratio, hydrophilic tendency and dimensional stability of the fibers. Scanning Electron Microscopy (SEM) was used for morphology studies of the fiber. Mechanical properties were identified using MTS Exceed. Tensile strength, tensile modulus, and elongation at break mechanical properties were compared to commercially available natural fibers, such as jute, kenaf, hemp, and flax. After retting, the ragweed fibers were ground up and converted to cellulose acetate through esterification. The soluble cellulose acetate was characterized using Fourier Transform Infrared Spectroscopy (FT-IR) and titrated to determine the degree of esterification. Properties of ragweed based cellulose acetate were compared to commercially sourced cellulose acetate. The resultant cellulose acetate was a soluble polymer that could be electrospun to form a nanofiber.

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“…CNCs can dramatically increase the tensile strength of a composite at small loadings and have a large amount of surface hydroxyl groups that can be used for compatibilizing reactions with PLA and other blended polymers. 15 CNCs are of particular interest for PLA composites because they are a plant-based reinforcing filler and thus produce fully biobased composites with PLA. PLA–CNC nanocomposites have been prepared using surfactant-modified CNCs through melt extrusion followed by film formation, resulting in a composite with a 600 MPa increase in Young’s modulus over neat PLA.…”

Section: Introductionmentioning

confidence: 99%

“…Cellulose nanocrystals (CNCs) have been studied by a variety of researchers as a reinforcing filler for PLA and other plastics. CNCs can dramatically increase the tensile strength of a composite at small loadings and have a large amount of surface hydroxyl groups that can be used for compatibilizing reactions with PLA and other blended polymers . CNCs are of particular interest for PLA composites because they are a plant-based reinforcing filler and thus produce fully biobased composites with PLA.…”

Section: Introductionmentioning

confidence: 99%

In Situ Cellulose Nanocrystal-Reinforced Glycerol-Based Biopolyester for Enhancing Poly(lactic acid) Biocomposites

et al. 2018

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Biobased, elastomeric polymer poly(glycerol succinate- co -maleate) (PGSMA) was produced using a “green” synthesis with added cellulose nanocrystals (CNCs) to create a novel PGSMA–CNC material. PGSMA–CNC was synthesized with the aim of developing a new strategy for successfully dispersing CNCs within a poly(lactic acid) (PLA) matrix for optimal reinforcement of tensile strength and modulus while having the added benefit of the proven toughness enhancements of PLA/PGSMA blends. Optical microscopy and fractionation in tetrahydrofuran showed that CNCs agglomerated during PGSMA–CNC synthesis and remained in agglomerates during PLA/PGSMA–CNC reactive blending. Fourier transform infrared, differential scanning calorimetry, and dynamic mechanical analyses also showed that PGSMA–CNC inhibited the formation of PGSMA crosslinks and PLA- g -PGSMA during reactive blending. These two effects resulted in loss of impact strength and only a 4% increase in tensile modulus over PLA/PGSMA at the highest CNC content. Further work in preventing CNC aggregation could help improve mechanical properties of the final blend.

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Cellulose Nanocomposites

Cited by 31 publications

References 95 publications

Cellulose based Nano-Composites and Applications

Cellulose based Nano-Composites and Applications

Characterization and Sustainable Retting of Ragweed Fibers

In Situ Cellulose Nanocrystal-Reinforced Glycerol-Based Biopolyester for Enhancing Poly(lactic acid) Biocomposites

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