Effect of Titanium Oxide on Fire Performance of Intumescent Fire Retardant Coating

Aziz, Hanida Abdul; Ahmad, Faiz; Zia-ul-Mustafa, M.

doi:10.4028/www.scientific.net/amr.935.224

Cited by 18 publications

(14 citation statements)

References 14 publications

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“…Nanofillers, on reaction with phosphate, can induce a synergistic effect in IFRCs. The well-known synergist candidates reported to date included TiO 2 nanoparticles (NPs) [28] and SiO 2 NPs [29]. However, other types of nanofillers still need to be tested in order to identify their function in synergism for an intumescent scheme [30][31][32].…”

Section: Introductionmentioning

confidence: 99%

Enhanced Thermal Properties of Zirconia Nanoparticles and Chitosan-Based Intumescent Flame Retardant Coatings

et al. 2019

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Zirconia (ZrO2)-based flame retardant coatings were synthesized through the process of grinding, mixing, and curing. The flame retardant coatings reinforced with zirconia nanoparticles (ZrO2 NPs) were prepared at four different formulation levels marked by F0 (without adding ZrO2 NPs), F1 (1% w/w ZrO2 NPs), F2 (2% w/w ZrO2 NPs), and F3 (3% w/w ZrO2 NPs) in combination with epoxy resin, ammonium polyphosphate, boric acid, chitosan, and melamine. The prepared formulated coatings were characterized by flammability tests, combustion tests, and thermogravimetric analysis. Finally, char residues were examined with scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS). The peak heat release rate (PHRR) of the controlled sample filled with functionalized ZrO2 NPs was observed to decrease dramatically with increasing functionalized ZrO2 NPs loadings. There was an increase in the limit of oxygen index (LOI) value with the increase in the weight percentage of ZrO2 NPs. The UL-94V data clearly revealed a V-1 rating for the F0 sample; however, with the addition of ZrO2 NPs, the samples showed enhanced properties with a V-0 rating. Thermal gravimetric analysis (TGA) results revealed that addition of ZrO2 NPs Improved composite coating thermal stability at 800 °C by forming high residual char. The results obtained here reveal that the addition of ZrO2 NPs in the formulated coatings has shown the excellent impact as flame retardant coatings.

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Section: Introductionmentioning

confidence: 99%

Enhanced Thermal Properties of Zirconia Nanoparticles and Chitosan-Based Intumescent Flame Retardant Coatings

et al. 2019

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“…Many attempts have been made to make fire-retardant cotton fabric23. Most effective present-day fire-retardant materials use heavy metals4567 or bromine89-containing species to efficiently arrest fires. In the light of environmental and health concerns, and upcoming legislation restrictions regarding brominated fire retardants91011, it is thus very important to develop new procedures for intrinsically fire retardant bulk materials, as well as, for fire-retardant and fire-blocking coatings, at best using environmentally benign materials and processes1213.…”

mentioning

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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“…127 The best performance occurs when the atomic ratio between titanium and phosphorus is equal to 0.5 corresponding to the ratio observed in TiP 2 O 7 . Another study showed that 4% TiO 2 was optimum for the better thermal insulation properties of amine cured epoxy intumescent coatings 128…”

Section: Mineral Fillersmentioning

confidence: 99%

Recent developments of intumescent fire protection coatings for structural steel: A review

Mariappan

2016

Journal of Fire Sciences

149

115

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Intumescent paints are specially formulated reactive coatings designed to swell or expand into thick foamed char upon exposure to heat, protecting the substrates against fire by insulation and providing a protective barrier to heat and mass transfer. The present review describes some recent work related to the development of intumescent fire protective coating that is suitable for the protection of non-flammable substrates, such as structural steel, against fire. The key factors in the intumescent formulations, binders, flame retardants, fillers, modifiers, nano-dimensional additives, and weathering that affect the properties and performance of intumescent coatings are described. An attempt has also been made to describe different fire protection methods and testing characterizations involved in the fire protection of structural steel using intumescent fire-resistant coatings.

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Effect of Titanium Oxide on Fire Performance of Intumescent Fire Retardant Coating

Cited by 18 publications

References 14 publications

Enhanced Thermal Properties of Zirconia Nanoparticles and Chitosan-Based Intumescent Flame Retardant Coatings

Enhanced Thermal Properties of Zirconia Nanoparticles and Chitosan-Based Intumescent Flame Retardant Coatings

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

Recent developments of intumescent fire protection coatings for structural steel: A review

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