Fire-retardant properties of wood modified with sorbitol, citric acid and a phosphorous-based system. Kurkowiak, K., Wu, M., Emmerich, L., & Militz, H. Holzforschung, November, 2022.
Fire-retardant properties of wood modified with sorbitol, citric acid and a phosphorous-based system [link]Paper  doi  abstract   bibtex   1 download  
Scots pine sapwood (Pinus sylvestris L.) was modified with an aqueous solution of sorbitol and citric acid (SorCA) and a commercial phosphorus-based fireretardant (FR). The aim of this study was to assess whether the fire behavior can be improved when the SorCA solution is supplemented by an FR and if this effect is resistant to leaching. The fire behavior of modified wood was investigated by a Bunsen burner ignition test, mass loss calorimetry (MLC) and thermogravimetric analysis (TGA). The results demonstrated a significantly improved fireretardancy based on a decreased burning rate and a reduced mass loss in the Bunsen burner test. Also, the induced formation of a protective char barrier facilitated by the addition of a FR, reduced the heat release rate and delayed the ignition. The fire-retardant effect was still observed, to the less extent, after a cold-water (EN 84 2020) leaching of the specimens.
@article{kurkowiak_fire-retardant_2022,
	title = {Fire-retardant properties of wood modified with sorbitol, citric acid and a phosphorous-based system},
	volume = {0},
	issn = {0018-3830, 1437-434X},
	url = {https://www.degruyter.com/document/doi/10.1515/hf-2022-0114/html},
	doi = {10.1515/hf-2022-0114},
	abstract = {Scots pine sapwood (Pinus sylvestris L.) was modified with an aqueous solution of sorbitol and citric acid (SorCA) and a commercial phosphorus-based fireretardant (FR). The aim of this study was to assess whether the fire behavior can be improved when the SorCA solution is supplemented by an FR and if this effect is resistant to leaching. The fire behavior of modified wood was investigated by a Bunsen burner ignition test, mass loss calorimetry (MLC) and thermogravimetric analysis (TGA). The results demonstrated a significantly improved fireretardancy based on a decreased burning rate and a reduced mass loss in the Bunsen burner test. Also, the induced formation of a protective char barrier facilitated by the addition of a FR, reduced the heat release rate and delayed the ignition. The fire-retardant effect was still observed, to the less extent, after a cold-water (EN 84 2020) leaching of the specimens.},
	language = {en},
	number = {0},
	urldate = {2022-11-09},
	journal = {Holzforschung},
	author = {Kurkowiak, Katarzyna and Wu, Muting and Emmerich, Lukas and Militz, Holger},
	month = nov,
	year = {2022},
	file = {Kurkowiak et al. - 2022 - Fire-retardant properties of wood modified with so.pdf:C\:\\Users\\Eva\\Zotero\\storage\\YH27PG3H\\Kurkowiak et al. - 2022 - Fire-retardant properties of wood modified with so.pdf:application/pdf},
}

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