A - Human Necessities – 62 – D
Patent
A - Human Necessities
62
D
A62D 1/02 (2006.01) A62D 1/00 (2006.01)
Patent
CA 2256605
The subject matter of the invention is a fire-fighting concentrate composition comprising: a) a fluorochemical oligomer having a plurality of pendent fluoroaliphatic groups; b) one or more fluorochemical surfactants and one or more non-fluorinated surfactants; c) a polysaccharide; d) water; and e) optionally a polymeric stabilizer and thickener other than a polysaccharide, one or more water-soluble organic solvents, and other usual additives. The fire-fighting concentrate composition of the invention is a stable low viscosity 3x3 fire-fighting composition having excellent fire extinguishing performance against fires of both polar and non-polar solvents.
L'invention concerne une composition de concentré extincteur comprenant: (a) un oligomère fluorochimique ayant plusieurs groupes fluoroaliphatiques pendants, (b) un ou plusieurs tensio-actifs fluorochimiques et un ou plusieurs tensioactifs fluorés, (c) un polysaccharide, (d) de l'eau, et (e) éventuellement un stabilisant et un épaississant polymères autre qu'un polysaccharide, un ou plusieurs solvants organiques hydrosolubles et d'autres additifs usuels. La composition de concentré extincteur selon l'invention est une composition 3x3 stable de faible viscosité, présentant d'excellentes propriétés d'extinction contre les feux de solvants polaires et non polaires.
Dams Rudolf J.
Vanneste Wim J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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