Polysaccharide/perfluoroalkyl complexes
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United States of America Patent
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Aug 22, 1989
Grant Date -
N/A
app pub date -
Oct 9, 1987
filing date -
Oct 9, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The instant invention relates to water-soluble anionic polysaccharides bound to perfluoroalkyl cationic surfactants. Polymer complexes are formed which are especially useful for fighting fires of hydrophilic or polar liquids. They have the unique property of forming an impervious gel when foamed with suitable surfactants and projected onto burning liquids. The gelatinous blanket is resistant to the fuel and protects the foam blanket from destruction. Consequently, superior fire-fighting agents can be prepared for fires which are otherwise very difficult to extinguish.
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