Aqueous fire-fighting foams with reduced fluorine content

Discloses is an aqueous film-firefighting composition concentrate comprising: (a) an effective amount of a monomeric C6 perfluoroalkyl surfactant having a structure represented by the formula I: Rf-X-Y-L-Z; wherein Rf is C6 straight or branched chain perfluoroalkyl; X is C2-C12 straight or branched...

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Hauptverfasser:	HAVELKA-RIVARD PAMELA A, XIE YUAN, BOWEN MARTINA E
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING
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creator	HAVELKA-RIVARD PAMELA A XIE YUAN BOWEN MARTINA E
description	Discloses is an aqueous film-firefighting composition concentrate comprising: (a) an effective amount of a monomeric C6 perfluoroalkyl surfactant having a structure represented by the formula I: Rf-X-Y-L-Z; wherein Rf is C6 straight or branched chain perfluoroalkyl; X is C2-C12 straight or branched chain alkylene, or C2-C12 straight or branched chain alkenylene containing 1 or 2 alkene moieties; Y, L and Z is selected from the group as defined in the specification; (b) an effective amount of a foam stabilizing agent, and (c) an effective amount of at least one non-fluorinated surfactant, wherein said composition has less than 0.8 % F, and is substantially free of any surfactant containing a perfluoroalkyl group containing more than 6 carbon atoms.
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subjects	CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING
title	Aqueous fire-fighting foams with reduced fluorine content
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