Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings

The present paper reports the preliminary results relating to the development, subsequent application, and testing of environmentally benign starch-based formulations for passive fire protection of wood substrates. This study evaluated the effectiveness of starch colloid coatings applied onto the wo...

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Autores principales:	Svetlana Tretsiakova-McNally, Adeline Le Douarin, Paul Joseph, Malavika Arun
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	wood substrates starch-based colloids surface coatings combustion attributes passive fire protection Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/ce9b9808c829426488e0387e114d015e
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spelling	oai:doaj.org-article:ce9b9808c829426488e0387e114d015e2021-11-11T18:48:45ZPassive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings10.3390/polym132138412073-4360https://doaj.org/article/ce9b9808c829426488e0387e114d015e2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/21/3841https://doaj.org/toc/2073-4360The present paper reports the preliminary results relating to the development, subsequent application, and testing of environmentally benign starch-based formulations for passive fire protection of wood substrates. This study evaluated the effectiveness of starch colloid coatings applied onto the wood surface with a view to improving its performance when exposed to the external heat flux (35 kW/m<sup>2</sup>) during cone calorimetric tests. The formulations were prepared from aqueous colloid solutions of either starch alone, or in combination with inorganic salts, such as: sodium carbonate, Na<sub>2</sub>CO<sub>3</sub>, potassium carbonate, K<sub>2</sub>CO<sub>3</sub>, and diammonium hydrogen phosphate, (NH<sub>4</sub>)<sub>2</sub>HPO<sub>4</sub>. The fire performance of <i>Taeda pine</i> wood samples, where their top surfaces were treated with these formulations, was compared with the control sample. The thermal and combustion characteristics of the tested samples were determined with the aid of thermo-gravimetric analysis (TGA), bomb and cone calorimetric techniques, and a steady state tube furnace coupled to an FT-IR spectrometer. A significant boost of fire protection was observed when starch formulations with added inorganic salts were applied onto the wood surfaces, compared with the control sample. For example, the presence of K<sub>2</sub>CO<sub>3</sub> in starch colloid solutions resulted in a notable delay of the ignition and exhibited a reduction in the heat release parameters in comparison with the untreated wood substrate.Svetlana Tretsiakova-McNallyAdeline Le DouarinPaul JosephMalavika ArunMDPI AGarticlewood substratesstarch-based colloidssurface coatingscombustion attributespassive fire protectionOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3841, p 3841 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	wood substrates starch-based colloids surface coatings combustion attributes passive fire protection Organic chemistry QD241-441
spellingShingle	wood substrates starch-based colloids surface coatings combustion attributes passive fire protection Organic chemistry QD241-441 Svetlana Tretsiakova-McNally Adeline Le Douarin Paul Joseph Malavika Arun Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings
description	The present paper reports the preliminary results relating to the development, subsequent application, and testing of environmentally benign starch-based formulations for passive fire protection of wood substrates. This study evaluated the effectiveness of starch colloid coatings applied onto the wood surface with a view to improving its performance when exposed to the external heat flux (35 kW/m<sup>2</sup>) during cone calorimetric tests. The formulations were prepared from aqueous colloid solutions of either starch alone, or in combination with inorganic salts, such as: sodium carbonate, Na<sub>2</sub>CO<sub>3</sub>, potassium carbonate, K<sub>2</sub>CO<sub>3</sub>, and diammonium hydrogen phosphate, (NH<sub>4</sub>)<sub>2</sub>HPO<sub>4</sub>. The fire performance of <i>Taeda pine</i> wood samples, where their top surfaces were treated with these formulations, was compared with the control sample. The thermal and combustion characteristics of the tested samples were determined with the aid of thermo-gravimetric analysis (TGA), bomb and cone calorimetric techniques, and a steady state tube furnace coupled to an FT-IR spectrometer. A significant boost of fire protection was observed when starch formulations with added inorganic salts were applied onto the wood surfaces, compared with the control sample. For example, the presence of K<sub>2</sub>CO<sub>3</sub> in starch colloid solutions resulted in a notable delay of the ignition and exhibited a reduction in the heat release parameters in comparison with the untreated wood substrate.
format	article
author	Svetlana Tretsiakova-McNally Adeline Le Douarin Paul Joseph Malavika Arun
author_facet	Svetlana Tretsiakova-McNally Adeline Le Douarin Paul Joseph Malavika Arun
author_sort	Svetlana Tretsiakova-McNally
title	Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings
title_short	Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings
title_full	Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings
title_fullStr	Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings
title_full_unstemmed	Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings
title_sort	passive fire protection of <i>taeda pine</i> wood by using starch-based surface coatings
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ce9b9808c829426488e0387e114d015e
work_keys_str_mv	AT svetlanatretsiakovamcnally passivefireprotectionofitaedapineiwoodbyusingstarchbasedsurfacecoatings AT adelineledouarin passivefireprotectionofitaedapineiwoodbyusingstarchbasedsurfacecoatings AT pauljoseph passivefireprotectionofitaedapineiwoodbyusingstarchbasedsurfacecoatings AT malavikaarun passivefireprotectionofitaedapineiwoodbyusingstarchbasedsurfacecoatings
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Passive Fire Protection of <i>Taeda pine</i> Wood by Using Starch-Based Surface Coatings

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