基于有机硅表面活性剂的环保泡沫灭火剂的制备及灭火性能研究

doi:10.11896/cldb.22020009

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Abstract In order to solve the problem of difficult degradation and ecological harm of traditional fluorinated foam extinguishing agents, this work deve-loped an environment-friendly foam extinguishing agent based on silicone surfactant with low toxicity and high surface activity. Results show that the foam extinguishing agent is a uniform and stable solution, with the freezing point of -10.5 ℃, pH of 8.2, expansion of 7.2, 25% drai-nage time of 4.0 min, surface tension of 22.4 mN/m and positive spread coefficient. The BOD₅/COD value of the foam mixture is 0.37, which possesses good biodegradability and environmental friendliness. And it exhibits excellent fire extinguishing ability, which can successfully quickly extinguish 55B and 144B water-insoluble flammable liquid oil pan fire. The fire extinguishing performance meets the national standard (IIA level). The research results can lay a theoretical foundation and provide experimental data for the research and development of high-efficiency and environment-friendly foam fire extinguishing agent.

Key words： silicone surfactant environment-friendly foam fire extinguishing agent fluorocarbon surfactant perfluorooctane sulfonate fire extinguishing performance

Published: Online: 2022-10-26

CLC number:

TQ469

Fund:Technology Development Program of SINOPEC (321101) and Science and Technology Economy Project of Ministry of Emergency Management (SQ2020YFF0426576-2020-07-07).

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	Articles by authors
	JIAO Jinqing
	WEI Yuechang
	WU Jingfeng
	LANG Xuqing
	SHANG Zuzheng
	MU Shanjun
	MU Xiaodong
	CUI Pengyu
	LU Peng

Cite this article:

JIAO Jinqing,WEI Yuechang,WU Jingfeng, et al. Preparation of Environment-friendly Foam Extinguishing Agent Based on the Silicone Surfactant and Its Fire Extinguishing Performance[J]. Materials Reports, 2022, 36(20): 22020009-6.

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http://www.mater-rep.com/EN/10.11896/cldb.22020009 OR http://www.mater-rep.com/EN/Y2022/V36/I20/22020009

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