Fabrication of Fire-Retardant and Impact-Resistant Hierarchical Rigid Porous Composites via Surface Coating Strategy

Liu, Miao; Huang, Ruizhe; Shi, Yongqian; Xu, Peihui; Xie, Shiwei; Fu, Libi; Gao, Jiefeng; Tang, Longcheng; Song, Pingan

doi:10.1021/acsapm.4c01196

ACS Appl. Polym. Mater.

2024

DOI: 10.1021/acsapm.4c01196

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Fabrication of Fire-Retardant and Impact-Resistant Hierarchical Rigid Porous Composites via Surface Coating Strategy

Miao Liu,

Ruizhe Huang,

Yongqian Shi

et al.

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Layer-by-Layer Assembly of TiO₂ Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings

Lee,

Jang,

Choi

et al. 2024

ACS Appl. Nano Mater.

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In order to create green nanocoatings with high fire resistance, titanium dioxide (TiO 2 ), montmorillonite (MMT), and poly(acrylic acid) (PAA) are used as the flame-retardant (FR) system that is prepared by the layer-by-layer self-assembly technique. The thermal behaviors and FR performance of the coated fabrics and polyurethane foam (PUF) are determined by thermal gravimetric analysis, vertical/ horizontal flame tests, and a cone calorimeter. The effect of layering polymers between metallic nanoparticles (NPs) and clay sheets on growth behavior and flame retardancy is investigated. The assembly of a TiO 2 /PAA/MMT trilayer (TL) system, incorporating a polyelectrolyte layer between the inorganic layers, results in a significantly thicker and heavier coating. This could be attributed to the infiltration of PAA chains into the interstitial spaces of the clay sheets and TiO 2 NPs, which also introduce additional interactive sites. The addition of polymers in the multilayered composites greatly improves FR properties. Cone calorimeter analysis demonstrates that a 10 TL TiO 2 /PAA/MMT nanocomposite, approximately 160 nm in thickness, applied to PUF, completely suppresses the second peak heat release rate and enhances other fire-retardant properties relative to the TiO 2 /MMT system. The markedly enhanced flame retardancy observed in the TiO 2 /PAA/MMT system is attributed to the increased char yield facilitated by the incorporation of PAA. The addition of polymer layers promotes the deposition of a greater quantity of clay and TiO 2 NPs while maintaining a tightly packed nanobrick wall structure.

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Layer-by-Layer Assembly of TiO₂ Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings

Lee,

Jang,

Choi

et al. 2024

ACS Appl. Nano Mater.

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Fabrication of Fire-Retardant and Impact-Resistant Hierarchical Rigid Porous Composites via Surface Coating Strategy

Cited by 1 publication

References 53 publications

Layer-by-Layer Assembly of TiO₂ Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings

Layer-by-Layer Assembly of TiO₂ Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings

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Fabrication of Fire-Retardant and Impact-Resistant Hierarchical Rigid Porous Composites via Surface Coating Strategy

Cited by 1 publication

References 53 publications

Layer-by-Layer Assembly of TiO2 Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings

Layer-by-Layer Assembly of TiO2 Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings

Contact Info

Product

Resources

About

Layer-by-Layer Assembly of TiO₂ Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings

Layer-by-Layer Assembly of TiO₂ Nanoparticle/Poly(acrylic acid)/Montmorillonite Trilayer Composite Films as Flame-Retardant Coatings