Fluorine Free Surfactants and Foam Composition
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United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Jul 27, 2022
filing date -
Jul 27, 2022
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Abstract
An alternative is needed for replacing aqueous film forming foams (AFFF) containing fluorine. The ethyleneamine salt of a chemical precursor solution has been made that is a surfactant with both foaming properties and flame retardant properties. The chemical precursor solution is formed by reacting a complex alkyl compound with sulfuric or polyphosphoric acid. The resultant foam made with this surfactant is applied with a large footprint to overcome poor spreading coefficient and is successful in extinguishing fuel fires.
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