CPC A62D 1/0071 (2013.01) | 30 Claims |
1. An aqueous firefighting foam concentrate composition comprising:
greater than 20 wt. % of a deep eutectic solvent;
about 5 to 40 wt. % of at least one nonionic surfactant; and
one or more additional firefighting foam components dissolved or dispersed in the deep eutectic solvent;
wherein:
the deep eutectic solvent comprises:
a first compound selected from a sugar and a sugar alcohol, wherein the sugar or sugar alcohol comprises sucrose, fructose, glucose, lactose, maltose, cellobiose, arabinose, ribose, ribulose, galactose, rhamnose, raffinose, xylose, mannose, trehalose, mannitol, sorbitol, inositol, xylitol, ribitol, galactitol, erythritol, or adonitol, or a combination thereof; and
a second compound selected from a different sugar and a different sugar alcohol;
the one or more additional firefighting foam components comprises at least one biopolymer polysaccharide.
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