Heat resistive, binder‐free 3d‐dough composite as a highly potent flame‐retardant

Dhumal, Pratik S.; Lokhande, Kshama D.; Bondarde, Mahesh P.; Bhakare, Madhuri A.; Some, Surajit

doi:10.1002/app.52146

Cited by 8 publications

(2 citation statements)

References 39 publications

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“…The most favorable flame-retardant minerals are monoclinic crystalline, containing more than two metal ions. They typically have an intumescent layered micromorphology [ 30 , 35 , 36 , 37 ]. For example, montmorillonite contains layered structures of aluminum and magnesium silicates [ 30 ].…”

Section: Chemical Composition and Physical Micromorphology Of Flame-r...mentioning

confidence: 99%

“…For example, montmorillonite contains layered structures of aluminum and magnesium silicates [ 30 ]. Bentonite has a sandwiched microstructure comprising two layers of tetrahedron silicon oxide and one layer of octahedron aluminum oxide [ 36 ]. Vermiculite also exhibits layered microstructures containing magnesium, aluminum, iron, and silicon, which is intumescent and peels off the surface of building materials under fire [ 37 ].…”

Section: Chemical Composition and Physical Micromorphology Of Flame-r...mentioning

confidence: 99%

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Comprehensive Review of Recent Research Advances on Flame-Retardant Coatings for Building Materials: Chemical Ingredients, Micromorphology, and Processing Techniques

2023

Molecules

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Developing fire-retardant building materials is vital in reducing fire loss. The design and preparation of novel fire-retardant coatings merely require the adhesion of flame retardants with high fire-retardant characteristics on the surface, which is significantly more economical than adding excessive amounts of flame retardants into bulk building materials. Meanwhile, fire-retardant coating has excellent performance because it can block the self-sustaining mechanisms of heat and mass transfer over combustion interfaces. In recent years, research of fire-retardant coatings for building materials has been subject to rapid development, and a variety of novel environmentally benign fire-retardant coatings have been reported. Nonetheless, as the surface characteristics of various flammable building materials are contrastively different, selecting chemical ingredients and controlling the physical morphology of fire-retardant coatings for specific building materials is rather complicated. Thus, it is urgent to review the ideas and preparation methods for new fire-retardant coatings. This paper summarizes the latest research progress of fire-retardant building materials, focusing on the compositions and performances of fire-retardant coatings, as well as the principles of their bottom-up design and preparation methods on the surface of building materials.

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Section: Chemical Composition and Physical Micromorphology Of Flame-r...mentioning

confidence: 99%

Section: Chemical Composition and Physical Micromorphology Of Flame-r...mentioning

confidence: 99%

Comprehensive Review of Recent Research Advances on Flame-Retardant Coatings for Building Materials: Chemical Ingredients, Micromorphology, and Processing Techniques

2023

Molecules

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Improving the flame retardancy of furfurylated wood by introducing DOPO

Dong,

Fu,

Yan

et al. 2023

Wood Sci Technol

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Poor dimensional stability, sensitivity to microorganisms, and flammability restrict the application of wood in certain areas where these properties are critical. Although furfurylation can improve the physical and mechanical properties of wood, the heat and smoke release of furfurylated wood during combustion are dramatic and need to be addressed. As a kind of halogen-free phosphorus flame retardant, 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and its derivatives exhibit excellent performance in polymer composites. In this study, DOPO was dissolved in furfuryl alcohol (FA) and used to modify wood. The effect of DOPO on the thermal stability, combustion behavior, and physical and mechanical properties of furfurylated wood was investigated. The chemical structure, morphology, and char residue after combustion were also characterized. The studies show that DOPO can react with the FA polymer and is incorporated and homogeneously dispersed in the wood structure. Compared to untreated wood, furfurylated wood has a much higher heat and smoke release during combustion. The addition of DOPO remarkably reduces the heat release of furfurylated wood, and this effect increases as the amount of DOPO increases. When the amount of introduced DOPO of furfurylated wood is 7%, its total heat release is reduced by 37.4% and becomes comparable to the untreated wood. However, DOPO does not suppress smoke production effectively. DOPO improves the thermal stability of furfurylated wood by promoting char formation and inhibiting the diffusion of oxygen and the escape of pyrolysis products. The addition of DOPO has little effect on the physical and mechanical properties of furfurylated wood. The results indicate that the combination of DOPO and furfurylation could be an efficient way to prepare highly stable and fire-resistant wood materials.

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Char formation and smoke suppression mechanism of montmorillonite modified by ammonium polyphosphate/silane towards fire safety enhancement for wood composites

Zhang,

Niu,

Wang

et al. 2024

Wood Sci Technol

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Heat resistive, binder‐free 3d‐dough composite as a highly potent flame‐retardant

Cited by 8 publications

References 39 publications

Comprehensive Review of Recent Research Advances on Flame-Retardant Coatings for Building Materials: Chemical Ingredients, Micromorphology, and Processing Techniques

Comprehensive Review of Recent Research Advances on Flame-Retardant Coatings for Building Materials: Chemical Ingredients, Micromorphology, and Processing Techniques

Improving the flame retardancy of furfurylated wood by introducing DOPO

Char formation and smoke suppression mechanism of montmorillonite modified by ammonium polyphosphate/silane towards fire safety enhancement for wood composites

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