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Characteristics of Water Solutions Containing Nonionic Surfactants and Their Fire Fighting Performance  

이윤우 (한국과학기술연구원 국가지정 초임계유체연구실)
이윤용 (한국과학기술연구원 국가지정 초임계유체연구실)
박양원 (㈜진화E&C2)
Publication Information
Fire Science and Engineering / v.16, no.3, 2002 , pp. 61-70 More about this Journal
Abstract
A fire extinguishing agent containing non-ionic surfactant which is environmentally friendly and low cost was prepared and tested its characteristics and fire fighting performance. Ethoxylated sorbitol septaoleate, containing 40 moles of ethylene oxide as the primary surfactant, linear ethoxylated secondary alcohol, containing 7-11 moles ethylene oxide as the secondary surfactant, and ethoxylated sorbitol trioleate, containing 40-50 moles of ethylene oxide were used in the agent. It is demonstrated that the water solution containing 6 wt％ agent is capable to extinguish gasoline fire when it is put into the fire four times as much as gasoline. According to the field test of class B fire with a unit 1, it is found that the fire fighting performance is directly proportional to the concentration of surfactant in the agent.
Keywords
Surfactant; Fire fighting performance; Class B fire;
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