Polysaccharide/perfluoroalkyl complexes

Details Polysaccharide/perfluoroalkyl complexes Polysaccharide/perfluoroalkyl complexes

1987-10-09

1989-08-22

Locker, Howard I.

Compositions

Fire-extinguishing

Foam or gas phase containing

252 2, 252 805, 252307, 169 44, 169 46, 169 54, 536 31, 536 551, 536102, A62D 100, A62C 100, A62C 300

Patent

active

048593494

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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