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《Fire Science and Technology》 2014-07
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Application study of non-fluorinated and non-protein surfactants in preparation of foam extinguishing agent

LIU Hui-ping;WANG Jia-di;WU Bo;ZHU Peng;LIU Zhang-rui;XU Fan-xi;School of Urban Construction and Safety Engineering,Shanghai Institute of Technology;Shanghai Niute Fire Equipment(Tech)Co.,Ltd;  
A kind of non-fluorinated and non-protein surfactant foam extinguishing agent were prepared with adopting orthogonal experiment method by using lauryl amide propyl betaine(LAB),silicon surfactant(SS),polyoxyethylene alkyl amine(PEAA),alkyl polyglucoside(APG),and sodium dodecyl sulfonate(SDS)as the foaming agents,and polyacrylamide(PAM),xanthan gum(XG)and carboxymethylcellulose sodium(CMCS)as the foam stabilizers.The performance of foaming and foam stability of the complex system,spreading performance of foam on the gasoline and sealing performance of foam to gasoline were tested in detail by Roche bubble instrument,surface tensiometer and sealing experiments.The results show that when the mass ratio of LAB,SS,PEAA,APG and SDS is 5∶5∶5∶25∶1,the prepared complex surfactants system has the best foaming performance and foam stability;when the mass ratio of PAM,XG,CMCS and SA is 1∶1∶3∶1,the prepared foam extinguishing agent by using the complex surfactants system and mixed foam stabilizer have the best foaming,foam stability and sealing performance.The results of gasoline fire extinguishing experiment indicates that the foam extinguishing agent prepared with the optimum formula has good fire extinguishing performance,and there is a prospect to develop a kind of novel practical product.
【Fund】: 上海市联盟计划项目(LM201252);; 国家自然科学基金青年科学基金资助项目(51106100);; 上海应用技术学院2013届毕业设计(论文)重点项目(101LW135045)
【CateGory Index】: TQ569
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