How the shape of fillers affects the barrier properties of polymer/non-porous particles nanocomposites: A review

Wolf, Caroline; Angellier‐Coussy, Hélène; Gontard, Nathalie; Doghieri, Ferruccio; Guillard, Valérie

doi:10.1016/j.memsci.2018.03.085

Cited by 156 publications

(113 citation statements)

References 170 publications

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“…Impermeable fillers are then dispersed within the host polymer matrix to increase the gas diffusion path length by a tortuosity effect . Among the wide range of available impermeable fillers, nanometer thick lamellar fillers such as montmorillonite, graphene, double hydroxide layer, zirconium phosphate platelets, and so forth are chosen due to their high aspect ratio . Most of the experimental studies and analytical modeling approaches based on nanocomposites agree with the fact that lamellar fillers have to be placed perpendicular to the gas flow to maximize the tortuosity effect and therefore increase the barrier properties .…”

Section: Introductionmentioning

confidence: 95%

3D Mass diffusion in ordered nanocomposite systems: Finite element simulation and phenomenological modeling

Zid

Zinet

Espuche

2018

J Polym Sci B Polym Phys

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The optimization of polymer barrier properties is currently of crucial importance for a wide range of applications from packaging to building or even energy applications. To meet the requirements of these applications, polymer matrices are often combined with impermeable (nano) fillers. Different nanofiller natures, shapes, and contents have been experimentally used and a large range of barrier materials has been obtained . In the meantime, several numerical approaches have been developed to model gas diffusion properties of nanocomposite materials. However, these approaches often considered bidimensional systems. The aim of this work is to develop 3D Finite Element Model which would be used to predict gas barrier properties of nanocomposites for disk-shaped nanofillers. The model thus obtained is valid in a wide range of fillers volume fraction values as well as aspect ratios, which makes it possible to go from diluted regimes to semidiluted or even concentrated ones. Furthermore, an analytical equation which describes gas diffusion through nanocomposites films has been built and validated with our finite element modeling model.

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Section: Introductionmentioning

confidence: 95%

3D Mass diffusion in ordered nanocomposite systems: Finite element simulation and phenomenological modeling

Zid

Zinet

Espuche

2018

J Polym Sci B Polym Phys

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“…However, the difference between experimental and theoretical densities increased as the HA loading increased to 10 and 15 wt%. This can be attributed to the increase of porosity content with the presence of the agglomeration at higher filler content [30]. Due to the increase in porosity content, the incorporation of synthetic bioactive particles, such as the HA ceramic powder into PMMA matrix is limited to concentrations up to 15% of HA [31,32].…”

Section: Density Of the Compositementioning

confidence: 99%

Effect of hydroxyapatite filler concentration on mechanical properties of poly (methyl methacrylate) denture base

Aldabib¹,

Ishak

2020

SN Appl. Sci.

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Poly (methyl methacrylate) or PMMA is an acrylic material has been used widely as a denture base material. The denture base is subjected to various stresses during the function, these include tensile and flexural stresses. The current study was aimed to experimentally evaluate the effect of different filler concentrations on physical and mechanical characteristics of PMMA/HA composite. PMMA reinforced with different ratios (i.e. 0, 5, 10, and 15 wt%) of silane treated HA were prepared to study the effect of HA concentration on the mechanical properties of acrylic denture base material. Tensile, flexural and fracture toughness tests were conducted to evaluate the mechanical performance. The fracture surfaces of all the composites were studied using scanning electron microscopy. The hardness of the composite was investigated using Vickers hardness. Independent t-test was also conducted to evaluate the significant difference in the values measured as a function of different filler loading. Data analyses showed a significant improvement (P < 0.05) in the tensile and flexural modulus of the composite 26% and 27.3% respectively, as a result of increasing the HA loading to 15 wt%. However, no significant difference (P > 0.05) was detected in the tensile and flexural strength as function of HA incorporation. A small increment of only 1.63% and 3% in the tensile and flexural strength respectively, was achieved at very low filler loading i.e. 5 wt%. An improvement of only 7.8% in the surface hardness was observed for PMMA loaded with 15 wt% of HA.

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“…In order to achieve multi-function for nanofiber-based food packaging materials, various fillers have been added into polymer substance, especially inorganic fillers that possess conductivity, magnetism, antibacterial property, etc. [98][99][100][101]. Then, a nanofiber-based food packaging material could be prepared through the electrospinning technique.…”

Section: Addition Of Inorganic Fillersmentioning

confidence: 99%

Electrospun Functional Materials toward Food Packaging Applications: A Review

et al. 2020

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Electrospinning is an effective and versatile method to prepare continuous polymer nanofibers and nonwovens that exhibit excellent properties such as high molecular orientation, high porosity and large specific surface area. Benefitting from these outstanding and intriguing features, electrospun nanofibers have been employed as a promising candidate for the fabrication of food packaging materials. Actually, the electrospun nanofibers used in food packaging must possess biocompatibility and low toxicity. In addition, in order to maintain the quality of food and extend its shelf life, food packaging materials also need to have certain functionality. Herein, in this timely review, functional materials produced from electrospinning toward food packaging are highlighted. At first, various strategies for the preparation of polymer electrospun fiber are introduced, then the characteristics of different packaging films and their successful applications in food packaging are summarized, including degradable materials, superhydrophobic materials, edible materials, antibacterial materials and high barrier materials. Finally, the future perspective and key challenges of polymer electrospun nanofibers for food packaging are also discussed. Hopefully, this review would provide a fundamental insight into the development of electrospun functional materials with high performance for food packaging.

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How the shape of fillers affects the barrier properties of polymer/non-porous particles nanocomposites: A review

Cited by 156 publications

References 170 publications

3D Mass diffusion in ordered nanocomposite systems: Finite element simulation and phenomenological modeling

3D Mass diffusion in ordered nanocomposite systems: Finite element simulation and phenomenological modeling

Effect of hydroxyapatite filler concentration on mechanical properties of poly (methyl methacrylate) denture base

Electrospun Functional Materials toward Food Packaging Applications: A Review

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