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Journal of Korean Institute of Fire Science and Engineering 2002;16(3):61-70.
Published online September 30, 2002.
비이온성 계면활성제가 함유된 수용액의 특성과 소화성능
1한국과학기술연구원 국가지정 초임계유체연구실2한국과학기술연구원 국가지정 초임계유체연구실3㈜진화E&C2
Characteristics of Water Solutions Containing Nonionic Surfactants and Their Fire Fighting Performance
환경친화적이면서 저가의 비이온성 계면활성제가 함유된 소화약제를 조제하고 이의 물성과 소화약제 성능시험을 수행하였다. 약제의 주된 계면활성제로서 에톡실레이티이드 솔비톨 셉타올레이트, 에톡실레이트 솔비톨 트리올레이트 그리고 선형 에톡실레이트 이차 알코올을 사용하였다. 본 연구에서는 휘발유의 부피보다 4배 가량의 6% 소화약제가 투입되는 경우 화재를 진압할 수 있는 능력을 가지고 있는 것을 알 수 있었다. 1단위 B급 화재 진화 시험을 수행한 결과, 소화성능은 계면활성제의 농도에 정비례하는 것으로 나타났다.
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.
Key Words: Surfactant, Fire fighting performance, Class B fire
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