Nacre-inspired integrated nanocomposites with fire retardant properties by graphene oxide and montmorillonite

Peng, Ming; Song, Zhaofei; Gong, Shanshan; Zhang, Yuanyuan; Duan, Jianli; Zhang, Qi; Jiang, Lei; Cheng, Qunfeng

doi:10.1039/c5ta05742f

Cited by 152 publications

(112 citation statements)

References 33 publications

(43 reference statements)

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“…Silica-based materials, such as silica nanospheres [140], silica [141,142], silicon nanoparticle [143] and silica-containing mineral nanomaterials (such as sepiolite nanorods [144], montmorillonite [145,146], halloysite nanotubes [147], and tubular clay [148]), can be combined with silicates. Most of them exhibit a layer structure for the silica-containing mineral nanomaterials.…”

Section: Inorganic-nanomaterials Graphene-based Composite Flame Retarmentioning

confidence: 99%

Graphene-based flame retardants: a review

Sang

et al. 2016

J Mater Sci

191

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Graphene and its derivatives are potential flame retardant materials with good flame retardant performance; in particular, graphene as an adjuvant in combination with inorganic nanomaterials may be a promising candidate of flame retardant. This review describes the flame retardant mechanism, the development trend, and the classification of graphene-based flame retardants. It points out that graphene has attracted intensive interests in the fields of electronics, energy, and information, due to its excellent properties such as high thermal conductivity, good electron transport ability, and large specific surface area. In the meantime, graphene can change the pyrolysis as well as the thermal conductivity, heat absorption, viscosity and dripping of polymer during the combustion process. In other words, graphene can improve the thermal stability of polymer and delay its ignition, and it can also inhibit fire from spreading and reduce heat release rate.

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Section: Inorganic-nanomaterials Graphene-based Composite Flame Retarmentioning

confidence: 99%

Graphene-based flame retardants: a review

Sang

et al. 2016

J Mater Sci

191

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“…The combination of tailored polymers with inorganic nanoparticles, e.g. nanoclays14151617181920212223 or carbon nanotubes24252627, glass fabric28, polyhedral silsesquioxanes (POSS)2930, layered double hydroxides31323334, providing oxygen barrier properties and mechanical strength, preventing dripping of hot, molten plastics, and enabling an intumescent, self-expanding foam-like heat barrier behavior is a most promising approach for fire-retardant coating materials35. Aiming at a quantitative understanding in such materials requires approaches towards structurally well-defined surface coatings, in which benefits in the fire behavior can explicitly be linked to defined composition and architecture.…”

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confidence: 99%

Large-scale, thick, self-assembled, nacre-mimetic brick-walls as fire barrier coatings on textiles

Das

Thomas

Moeller

et al. 2017

Sci Rep

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Highly loaded polymer/clay nanocomposites with layered structures are emerging as robust fire retardant surface coatings. However, time-intensive sequential deposition processes, e.g. layer-by-layer strategies, hinders obtaining large coating thicknesses and complicates an implementation into existing technologies. Here, we demonstrate a single-step, water-borne approach to prepare thick, self-assembling, hybrid fire barrier coatings of sodium carboxymethyl cellulose (CMC)/montmorillonite (MTM) with well-defined, bioinspired brick-wall nanostructure, and showcase their application on textile. The coating thickness on the textile is tailored using different concentrations of CMC/MTM (1–5 wt%) in the coating bath. While lower concentrations impart conformal coatings of fibers, thicker continuous coatings are obtained on the textile surface from highest concentration. Comprehensive fire barrier and fire retardancy tests elucidate the increasing fire barrier and retardancy properties with increasing coating thickness. The materials are free of halogen and heavy metal atoms, and are sourced from sustainable and partly even renewable building blocks. We further introduce an amphiphobic surface modification on the coating to impart oil and water repellency, as well as self-cleaning features. Hence, our study presents a generic, environmentally friendly, scalable, and one-pot coating approach that can be introduced into existing technologies to prepare bioinspired, thick, fire barrier nanocomposite coatings on diverse surfaces.

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“…Introducing MMT into GObased films can change flammable rGO films into films with fire retardancy. [20] As shown in Figure 9B, a silk cocoon with an rGO-MMT-PVA nanocomposite did not catch fire even after 5 min, while the same silk cocoon without the protection of ternary rGO-MMT-PVA nanocomposites was immediately burned.…”

Section: Fire Retardancymentioning

confidence: 93%

“…[19] Copyright 2016, Wiley-VCH; Fire-retardant-membrane image: reproduced with permission. [20] Copyright 2015, Royal Society of Chemistry; Actuator images: reproduced with permission. [21] Copyright 2015, Nature Publishing Group; Strain-sensor images: Reproduced with permission.…”

Section: Interface Interactionsmentioning

confidence: 99%

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High‐Performance Nanocomposites Inspired by Nature

2017

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Over the eons of evolutionary time, natural materials, including nacre, bone, lobster cuticle, and many others, developed delicate multiscale structures demonstrating outstanding properties. These natural materials provide endless inspiration for the fabrication of novel bioinspired structural materials. Extensive research has revealed the mechanism responsible for natural materials' properties and shows that high-performance structural materials could be fabricated via bioinspired strategies. [1][2][3][4][5][6][7][8][9][10] With the quest to develop novel bioinspired materials, it is essential to refine some basic scientific principles that can guide bioinspired fabrication.Recent research has indicated that the amplification of natural materials' mechanical properties far beyond those of the components that comprise them originates mainly from: i) a hierarchical micro-/nanoscale architecture and ii) abundant effective interface interactions. Here, we follow the roadmap of "discovery, invention, and creation," as shown in Figure 1, to give insight into the development of bioinspired structural materials. In the "discovery" section, natural materials are described as a source of inspiration. Bioinspired nanocomposites can be invented to mimic or even to surpass natural materials' attributes, as described in the "invention" section. We illustrate how the basic principles could work for bioinspired nanocomposites with different building blocks and fabrication approaches. Finally, in the "creation" section, we review novel multifunctional nanocomposites with properties that natural materials rarely possess. To provide a vision and inspiration for future research, we conclude with our perspectives on new and promising directions in the field, along with problems remaining to be solved. Discovery: Natural Materials Orderly Hierarchical ArchitecturesNatural materials are made at ambient temperatures from a relatively small number of ingredients that exhibit rather meager properties. Almost all of them are composites with orderly hierarchical architectures that arrest crack propagation, thus preventing catastrophic failure. Insight into the architecture of a typical natural material is the key to understanding the superiority of the biomimetic strategy for making novel synthetic materials.Natural materials, including nacre, bone, and the lobster cuticle, exhibit excellent mechanical properties, combining high strength and toughness. Such materials have the added benefit of being light in weight. These advantageous features are due to such natural materials' orderly hierarchical architectures and abundant interface interactions. How to utilize these design principles created by nature to fabricate high-performance bioinspired nanocomposites remains a great research challenge. A logical roadmap for developing these nanocomposites can be described as "discovery, invention, and creation." Here, the discovery of the relationship between natural materials' design principles and such materials' extraordinary mechanical proper...

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Nacre-inspired integrated nanocomposites with fire retardant properties by graphene oxide and montmorillonite

Abstract: Bioinspired ternary rGO–MMT–PVA nanocomposites were successfully fabricated via the synergistic toughening effect from building blocks of GO and MMT nanosheets.

Cited by 152 publications

References 33 publications

Graphene-based flame retardants: a review

Graphene-based flame retardants: a review

Large-scale, thick, self-assembled, nacre-mimetic brick-walls as fire barrier coatings on textiles

High‐Performance Nanocomposites Inspired by Nature

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