Aqueous fire-fighting foams with reduced fluorine content
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United States of America Patent
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Jun 6, 2017
Grant Date -
Oct 24, 2013
app pub date -
Oct 3, 2011
filing date -
Oct 1, 2010
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Abstract
Aqueous film forming firefighting composition concentrates are provided that contain an effective amount of a monomelic zwitterionic or anionic C6 perfluoroalkyl surfactant having a molecule weight less than 800 daltons. The compositions also contain an effective amount of a foam stabilizing agent, and an effective amount of at least one non-fluorinated surfactant. The composition has less than 0.8% F, and is substantially free of any surfactant containing a perfluoroalkyl group containing more than 6 carbon atoms. The composition meets Military Specification MIL-F-24385F.
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