WO2023235454A1 - Agents mouillants à vitesse élevée pour la régulation thermique d'éléments dangereux aux ions lithium - Google Patents

Agents mouillants à vitesse élevée pour la régulation thermique d'éléments dangereux aux ions lithium Download PDF

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Publication number
WO2023235454A1
WO2023235454A1 PCT/US2023/024101 US2023024101W WO2023235454A1 WO 2023235454 A1 WO2023235454 A1 WO 2023235454A1 US 2023024101 W US2023024101 W US 2023024101W WO 2023235454 A1 WO2023235454 A1 WO 2023235454A1
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WIPO (PCT)
Prior art keywords
firefighting composition
glycol
firefighting
ether
ethoxylated
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PCT/US2023/024101
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English (en)
Inventor
Michelle HU
Blake BOMANN
Ben MARKOVITZ
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Tyco Fire Products Lp
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Publication of WO2023235454A1 publication Critical patent/WO2023235454A1/fr

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0028—Liquid extinguishing substances
    • A62D1/005—Dispersions; Emulsions
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0064—Gels; Film-forming compositions

Definitions

  • the present technology is generally related to firefighting compositions. Specifically, the technology is related to wetting agents for controlling fires in lithium-ion or sodium-ion battery applications.
  • a firefighting composition includes: a glycol ether; water; and two or more of a glycol, an ethoxylated acetylenic diol surfactant, a quaternary silicone surfactant, and an ethoxylated polydimethylsiloxane.
  • the firefighting composition includes: a glycol ether; water; a glycol; and an ethoxylated acetylenic diol surfactant.
  • the glycol ether includes diethylene glycol monobutyl ether (butyl CarbitolTM), diethylene glycol monohexyl ether (hexyl CarbitolTM), dipropylene glycol n-butyl ether, tripropylene glycol mono n-butyl ether, or a mixture of any two or more thereof.
  • the firefighting composition includes from about 1 wt% to about 35 wt% of the glycol ether. In some embodiments, the firefighting composition includes about 10 wt% of the glycol ether.
  • the glycol includes ethylene glycol, propylene glycol, or butylene glycol.
  • the firefighting composition includes from about 1 wt% to about 25 wt% of the glycol. In some embodiments, the firefighting composition includes about 5 wt% of the glycol.
  • the ethoxylated acetylenic diol is ethoxylated 2, 4,7,9- tetramethyl 5 decyn-4,7-diol (Surfynol® 465), ethoxylated 2,5,8, 1 l-tetramethyl-6-dodecyn- 5,8-diol (Dynol 604, Dynol607), a,a'-[l,4-dimethyl-l,4-bis(3-methylbutyl)-2-butyne-l,4- diyl]bis[co-hydroxy-poly(oxy-l,2-ethanediyl) (Dynol 800), or a mixture of any two or more thereof.
  • the firefighting composition includes from about 1 wt% to about 25 wt% of the ethoxylated acetylenic diol. In some embodiments, the firefighting composition includes about 5 wt% of the ethoxylated acetylenic diol.
  • the water is deionized water.
  • the water is present in an amount of the balance after considering the amounts of glycol, glycol ether, and ethoxylated acetylenic diol surfactant.
  • a firefighting composition includes: a glycol ether; water; a quaternary silicone surfactant; and an ethoxylated polydimethylsiloxane.
  • the glycol ether includes di ethylene glycol monobutyl ether (butyl CarbitolTM), diethylene glycol monohexyl ether (hexyl CarbitolTM), dipropylene glycol n-butyl ether, tripropylene glycol mono n-butyl ether, or a mixture of any two or more thereof.
  • the firefighting composition includes from about 1 wt% to about 50 wt% of the glycol ether. In some embodiments, the firefighting composition includes about 25 wt% of the glycol ether.
  • the quaternary silicone surfactant includes N,N-diethyl- 2-hydroxy-N-methyl-3-[3-[l,3,3,3-trimethyl-l-[(trimethylsilyl)oxy]-l-disiloxanyl]propoxy]- 1-propanaminium chloride (1 : 1) (Silqua® A0).
  • the firefighting composition includes from about 0.05 wt% to about 5 wt% of the quaternary silicone surfactant. In some embodiments, the firefighting composition includes about 1 wt% of the quaternary silicone surfactant.
  • the ethoxylated poly dimethylsiloxane includes PEG-X- dimethicone, where X is a number of PEG groups and is from 2 to 10.
  • the firefighting composition includes from about 0.05 wt% to about 5 wt% of the ethoxylated polydimethylsiloxane. In some embodiments, the firefighting composition includes about 1 wt% of the ethoxylated polydimethylsiloxane.
  • the water is deionized water.
  • the water is present in an amount of the balance after considering the amounts of glycol ether, quaternary silicone surfactant, and ethoxylated polydimethylsiloxane.
  • a firefighting composition includes a glycol, a polyether, an ethoxylated acetylenic diol surfactant, and water.
  • a method of extinguishing or abating a fire includes administering any one of the firefighting compositions described herein to the fire.
  • the fire is a lithium-ion battery fire or a sodium-ion battery fire.
  • a method for controlling a thermal runaway event associated with a lithium-ion or sodium-ion battery includes administering any one of the firefighting compositions described herein to the lithium-ion or sodium-ion battery.
  • a method of fighting a fire includes applying a firefighting composition including a glycol, a polyether, an ethoxylated acetylenic diol surfactant, and water to the fire.
  • firefighting compositions and methods that have the effect of enhanced wetting capability for fires such as those that may be lithium-ion or sodium-ion based fires.
  • the agents allow for cooling of the batteries in a fire or thermal runaway event, to extinguish or abate the fire. Additionally, the compositions assist in cooling and/or controlling thermal runaway events that may occur with lithium-ion or sodium-ion applications.
  • wetting in the context of a firefighting agent means refers to its ability to decrease the surface and/or interfacial tension of the liquid agent such that the fluid may move faster across the surface of the hazard. This is often used to achieve faster coverage of the hazard as well as a more rapid cooling effect in contrast to water alone.
  • a firefighting composition includes a glycol ether, water, and a mixture comprising two or more selected from the consisting group of a glycol, an ethoxylated acetylenic diol surfactant, a quaternary silicone surfactant, and an ethoxylated polydimethylsiloxane.
  • a firefighting composition includes a glycol ether, water, a glycol, and an ethoxylated acetylenic diol surfactant.
  • Illustrative examples of the glycol ether for the firefighting compositions include, but are not limited to, diethylene glycol monobutyl ether (butyl CarbitolTM), diethylene glycol monohexyl ether (hexyl CarbitolTM), dipropylene glycol n-butyl ether, tripropylene glycol mono n-butyl ether, or a mixture of any two or more thereof.
  • the firefighting composition includes from about 1 wt% to about 35 wt% of the glycol ether.
  • the firefighting composition includes the glycol ether at about 10 wt%.
  • the glycol may include, but is not necessarily limited to, ethylene glycol, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, and the like, or a mixture of any two or more thereof.
  • the firefighting composition includes from about 1 wt% to about 25 wt% of the glycol. In some embodiments, the firefighting composition includes about 5 wt% of the glycol.
  • the ethoxylated acetylenic diol may be ethoxylated 2,4,7,9-tetramethyl 5 decyn-4,7-diol (Surfynol® 465), ethoxylated 2,5,8, 1 l-tetramethyl-6-dodecyn-5,8-diol (Dynol 604, Dynol607), a,a'-[l,4-dimethyl-l,4- bis(3-methylbutyl)-2-butyne-l,4-diyl]bis[co-hydroxy-poly(oxy-l,2-ethanediyl) (Dynol 800), or a mixture of any two or more thereof.
  • the firefighting composition includes from about 0.5 wt% to about 25 wt% of the ethoxylated acetylenic diol. In some embodiments, the firefighting composition includes the ethoxylated acetylenic diol at about 5 wt%.
  • Illustrative anionic surfactants include an alkyl sulfate surfactant, an alkyl sulfonate surfactant, alkyl ether sulfate surfactant, an alkyl ether sulfonate surfactant, or a combination of two or more thereof.
  • the anionic surfactant may include an alkyl sulfate surfactant and/or an alkyl sulfonate surfactant.
  • the alkyl sulfate salt surfactant includes include a Cs-i2-alkyl sulfate salt.
  • Nonlimiting examples of the Cs-i2-alkyl sulfate salt include a dodecyl sulfate salt, a decyl sulfate salt, an octyl sulfate salt, or a combination of any two or more thereof.
  • the alkyl sulfate salt includes an alkyl sulfate sodium salt, such as a sodium decyl sulfate, sodium octyl sulfate, or a combination thereof.
  • the alkyl sulfate salt includes an alkyl sulfate ammonium salt, such as an ammonium decyl sulfate, ammonium octyl sulfate, ammonium lauryl sulfate, or a combination thereof.
  • the anionic surfactant includes a Cs-i4-alkyl sulfate salt and/or a Cs-u-alkyl sulfonate salt.
  • the firefighting composition further includes an anionic surfactant, which comprises one or more surfactants selected from Cs-n-alkyl sulfate salts and/or a Cs-n-alkyl sulfonate salts.
  • an anionic surfactant which comprises one or more surfactants selected from Cs-n-alkyl sulfate salts and/or a Cs-n-alkyl sulfonate salts.
  • an anionic surfactant which comprises one or more surfactants selected from Cs-n-alkyl sulfate salts and/or a Cs-n-alkyl sulfonate salts.
  • anionic surfactant may be a sodium, potassium and/or ammonium salt.
  • Illustrative zwitterionic surfactants include an alkylamidoalkyl betaine surfactant, an alkyl betaine surfactant, an alkyl sulfobetaine surfactant, an alkylamidoalkylene hydroxysultaine surfactant, such as an alkylamidopropyl hydroxysultaine surfactant, or a combination of two or more thereof.
  • the firefighting composition further includes a zwitterionic surfactant, which comprises one or more of a Cs-is- alkylamidopropyl hydroxysultaine surfactant, a Cs-is-alkylamidopropyl betaine surfactant, a Cs-is-alkyl sulfobetaine surfactant, a Cx-ix-alkyl betaine surfactant, or a combination of two or more thereof.
  • a zwitterionic surfactant which comprises one or more of a Cs-is- alkylamidopropyl hydroxysultaine surfactant, a Cs-is-alkylamidopropyl betaine surfactant, a Cs-is-alkyl sulfobetaine surfactant, a Cx-ix-alkyl betaine surfactant, or a combination of two or more thereof.
  • Non-limiting examples of the alkylamidoalkylene hydroxysultaine surfactant include a Cs-is-alkylamidopropyl hydroxysultaine surfactant, such as a cocamidopropyl hydroxysultaine surfactant, which includes a lauryl amidopropyl hydroxysultaine and a myristyl amidopropyl hydroxysultaine.
  • Non-limiting examples of the alkylamidoalkyl betaine surfactant include a Cs-is-alkylamidoalkyl betaine surfactant, such as a cocamidopropyl betaine, a tallowamidopropyl betaine, a lauryl amidopropyl betaine or a myristyl amidopropyl betaine.
  • the zwitterionic surfactant includes a Cs- -alkylamidopropyl hydroxysultaine, such as a cocamidopropyl hydroxysultaine.
  • the zwitterionic surfactant includes lauryl amidopropyl hydroxysultaine and/or my ri sty 1 ami dopropy 1 hydroxy sultaine .
  • Illustrative nonionic surfactants include an aliphatic alcohol and/or an aliphatic alcohol ethoxylate.
  • the firefighting composition may include an aliphatic alcohol-based nonionic surfactant including an aliphatic alcohol having 8 to 14 carbon atoms and/or an aliphatic alcohol ethoxylate having 10 to 16 carbon atoms in its alcohol portion.
  • the aliphatic alcohol ethoxylate may has an average degree of polymerization (i.e., the average number of ethylene oxide units) of about 0.7-2.0 and often of no more than about 1.5, no more than about 1.2, or no more than about 1.0.
  • Aliphatic alcohols which include a linear Cs-i4-aliphatic alcohol, such as a Cs-i4-fatty alcohol, may be used as a nonionic surfactant in the present firefighting compositions.
  • Non-limiting examples of such alcohols include one or more of octyl alcohol, decyl alcohol, lauryl alcohol and myristyl alcohol.
  • the firefighting composition may include an aliphatic alcohol ethoxylate having an average of no more than about 2 ethylene oxide units. In some embodiments, the aliphatic alcohol portion of such ethoxylates has about 10 to 16 carbon atoms.
  • Non-limiting examples include decyl alcohol ethoxylates, lauryl alcohol ethoxylates and/or myristyl alcohol ethoxylates.
  • the alcohol ethoxylates have an average of no more than about 2 ethylene oxide units, no more than about 1.5 ethylene oxide units, no more than about 1.2 ethylene oxide units and, in some instances, no more than about 1 ethylene oxide units.
  • the aliphatic alcohol ethoxylate comprises an ethoxylate of a linear Cs-i4-aliphatic alcohol having no more than about 1.2 ethylene oxide units.
  • the water may be deionized water.
  • the amount of water in the composition is the balance of the composition after considering the amounts of the glycol, the polyether, and the ethoxylated acetylenic diol surfactant.
  • a firefighting composition may include a glycol ether, a quaternary silicone surfactant, an ethoxylated polydimethylsiloxane, and water.
  • the glycol ether may be an alkyl CarbitolTM.
  • Illustrative examples may include, but are not limited to diethylene glycol monobutyl ether (butyl CarbitolTM), diethylene glycol monohexyl ether (hexyl CarbitolTM), dipropylene glycol n-butyl ether, tripropylene glycol mono n-butyl ether, or a mixture of any two or more thereof.
  • the firefighting composition includes from about 0.5 wt% to about 50 wt% of the glycol ether.
  • the firefighting composition includes the glycol ether at about 25 wt%
  • the quaternary silicone surfactant may be N,N-diethyl-2-hydroxy-N-methyl-3-[3-[l,3,3,3-trimethyl-l- [(trimethylsilyl)oxy]-l-disiloxanyl]propoxy]-l-propanaminium, chloride (1 : 1) (i.e., Silquat® AO).
  • the compositions may also include polyether siloxanes such as Dynol® 960 or 980, or poly siloxane surfactants having alkyl groups from Ci-Cis, and silicone poly ether fatty acid ester quaternary compounds from C12-C18.
  • the firefighting composition includes from about 0.1 wt% to about 5 wt% of the quaternary silicone surfactant. In some embodiments, the firefighting composition includes the quaternary silicone surfactant at about 1 wt%. In some embodiments, the compositions may include nonionic polyether siloxane surfactants, multipolymeric siloxane surfactants, linear siloxane surfactants, silicone phosphate surfactants, or a mixture of any two or more thereof.
  • the ethoxylated polydimethylsiloxane may be PEG-5 dimethicone (i.e., Silsurf® A004-UP), or others such as PEG-3 dimethicone, PEG-4 dimethicone, or PEG-X dimethicone, where X is from 2 to 10.
  • the firefighting composition includes from about 0.05 wt% to about 5 wt% of the quaternary silicone surfactant.
  • the firefighting composition may include the quaternary silicone surfactant at about 1 wt%.
  • X in PEG-X is an integer and is the number of polyethylene glycol units, and PEG is an abbreviation for polyethylene glycol. In some embodiments, X may be 2, 3, 4, 5, 6, 7, 8, 9, or 10. In some embodiments, X is 4 or 5.
  • the firefighting composition may further include a sugar component.
  • the sugar component may include a monosaccharide sugar, a disaccharide sugar, or a sugar alcohol.
  • the sugar component may include fructose, glucose, galactose, xylose, mannose, sucrose, lactose, maltose, an oligosaccharide, or a mixture of any two or more thereof.
  • the sugar alcohol may include a four carbon sugar alcohol, such as erythritol, a five carbon alditol, such as xylitol, a six carbon alditol, such as mannitol and/or sorbitol, and other sugar alcohols, such as isomalt.
  • the monosaccharide may be high fructose corn syrup.
  • the high fructose corn syrup may additionally contain glucose and/or oligosaccharides.
  • the sugar component may also be a carbonized or caramelized sugar.
  • carbonized or caramelized sugars may include, but are not limited to, brown sugar or molasses.
  • Saccharides for use in the present firefighting compositions are generally simple monosaccharide sugars and may include other carbohydrates, such as common sugar (sucrose/dextrose) derived from sugar cane or sugar beets.
  • Sucrose is a disaccharide composed from the basic, simple sugar molecules glucose and fructose. Mixtures where the majority of the sucrose has been broken down into its monosaccharide components, glucose and fructose (e.g., invert sugar), are suitable for use in the present firefighting compositions.
  • Sucrose is readily available in view of its world production from cane and sugar beet on the order of millions of tons per annum. Those skilled in the art will also be aware that other commercially available simple monosaccharides and related sugar alcohols can be utilized in the present firefighting compositions.
  • the firefighting composition may further include a thickener, such as a polysaccharide thickener.
  • a thickener such as a polysaccharide thickener.
  • Illustrative thickeners include agar, sodium alginate, carrageenan, gum arabic, gum guaicum, neem gum, pistacia lentiscus, gum chatti, caranna, galactomannan, gum tragacanth, karaya gum, guar gum, welan gum, rhamsam gum, locust bean gum, beta-glucan, cellulose, methylcellulose, chicle gum, kino gum, dammar gum, glucomannan, succinoglycan, mastic gum, spruce gum, tara gum, gellan gum, acacia gum, cassia gum, diutan gum, fenugreek gum, ghatti gum, hydroxyethylcellulose, hydroxypropylmethylcellulose, karaya
  • the thickener comprises xanthan gum, diutan gum, rhamsan gum, welan gum, gellan gum, guar gum, konjac gum, tara gum, succinoglycan, methylcellulose, or a combination of two or more thereof.
  • the firefighting composition may further include a mixture of xanthan gum and one or more of diutan gum, rhamsan gum, welan gum, gellan gum, guar gum, konjac gum, tara gum, succinoglycan, and methylcellulose.
  • the firefighting composition may further include a mixture of xanthan gum and one or more of diutan gum, rhamsan gum, welan gum, succinoglycan, and gellan gum as the polysaccharide thickener.
  • the firefighting composition may further include a mixture of xanthan gum and diutan gum and/or rhamsan gum.
  • the firefighting composition may further include a mixture of xanthan gum and succinoglycan.
  • the firefighting composition may further include a mixture of xanthan gum and welan gum.
  • the firefighting composition further includes welan gum.
  • the firefighting composition may further include one or more chelators or sequestering buffers.
  • chelators and sequestering buffers include agents that sequester and chelate metal ions, including polyamminopolycarboxylic acids, ethylenediaminetetraacetic acid, citric acid, tartaric acid, nitrilotriacetic acid, hydroxyethylethylenediaminetriacetic acid and salts thereof.
  • Illustrative buffers include, but are not limited to, Sorensen's phosphate or Mcllvaine's citrate buffers.
  • the firefighting composition may further include one or more corrosion inhibitors.
  • corrosion inhibitors include orthophenylphenol, tolyltri azole, and phosphate ester acids.
  • the corrosion inhibitor is tolyltri azole.
  • the firefighting composition may further include a metallic salt, such as a metallic salt which includes a multi-valent cation.
  • a metallic salt such as a metallic salt which includes a multi-valent cation.
  • Illustrative nonlimiting metallic salts include a cation selected from the group consisting of aluminum, calcium, copper, iron, magnesium, potassium, and calcium cations.
  • the counteranion may be a sulfate and/or phosphate anion.
  • the metallic salt may include magnesium sulfate.
  • the firefighting composition may further include a reducing agent.
  • the reducing agent may be selected such that it is more readily oxidized compared to other components of the firefighting composition.
  • the reducing agent may be oxidized more readily than the sugar component or polysaccharide components.
  • Illustrative reducing agents include, but are not limited to, sodium sulfite, sodium bisulfite, sodium metabisulfite, or a mixture of any two or more thereof.
  • the firefighting composition may further include a biocide.
  • a biocide include, but are not limited to, Kathon CG/ICP (Rohm & Haas Company), Givgard G-4 40 (Givaudan, Inc.), Dowicil 75 and Dowacide A (Dow Chemical Company).
  • the firefighting composition may further include microfibrous cellulose.
  • the microfibrous cellulose included in the firefighting compositions may include microfibrous cellulose produced by mechanically disrupting/altering cellulose fibers, e.g., cereal, wood, and/or cotton-based cellulose fibers - commonly referred to as microfibrillated cellulose (MFC).
  • MFC microfibrillated cellulose
  • Microfibrillated cellulose can be obtained through a fibrillation process of cellulose fibers. In such a process, the mechanical shearing can strip away the outer layer of the cellulose fibers, exposing the fibril bundles.
  • the macroscopic fibers are typically mechanically sheared until the fibrils are released, resulting in separation of the cellulose fibers into a three dimensional network of microfibrils with a very large surface area.
  • the exposed fibrils are much smaller in diameter compared to the original fibers, and can form a network or a web-like structure.
  • microfibrillated cellulose An illustrative and non-limiting example of microfibrillated cellulose is ExilvaTM microfibrillated cellulose (available from Borregaard, Sarpsborg, Norway). ExilvaTM microfibrillated cellulose is a pre-activated product, available as a 2% suspension or a 10% paste, that is produced from mechanically disrupting cellulose sourced from Norway spruce. ExilvaTM microfibrillated cellulose is reported to be an insoluble microfibrillated cellulose consisting of an entanglement of the cellulose fibers, which has the ability to interact both physically through its extreme surface area and chemically through hydrogen bonding.
  • microfibrous cellulose examples include Celova® microfibrillated cellulose (available from Weidmann Electrical Technology AG (Rapperswil, Switzerland) and Curran® microfibrillated cellulose (available from CelluComp, Fife, Scotland). Curran® microfibrillated cellulose is produced from extraction of nanocellulose fibers from waste streams of root vegetables, primarily carrots and sugar beet pulp.
  • microfibrillated cellulose-mineral composite commercially available from FiberLean® Technologies (Par Moor Centre, United Kingdom).
  • the FiberLean® MFC-composite is reportedly produced by fibrillating the cellulose fibers in the presence of one of a number of different minerals, such as calcium carbonate, clay (e.g., kaolin or bentonite), alumina, zirconia, graphite, silicate or talc, to obtain a nano-fibrillar cellulose suspension.
  • the microfibrous cellulose may include a fermentation-derived cellulose, such as a microfibrous cellulose derived from a microbial fermentation process.
  • the microfibrous cellulose may include cellulose derived from a bacterial fermentation process, e.g., from fermentation of a Komagataeibacter xylinus strain or an Acetobacter xylinum strain.
  • Fermentation-derived cellulose (FDC) produced by such a method may have an average fiber diameter of about 0.1-0.2 pm. This very small fiber size and diameter means that a given weight of FDC can have up to 200 times more surface area than other common forms of cellulose.
  • the microfibrous cellulose employed in the present firefighting compositions may have an average fiber diameter of no more than about 10 pm, no more than about 1 pm, and in some instances about 50 to 300 nm (0.05-0.3 pm). Quite often, the microfibrous cellulose is a derived from microbial fermentation. Prior to inclusion in the present compositions, such microbial fermentation derived cellulose may be activated by combining a powdered microfibrous cellulose and any optional co-agent with water and then mixing with high shear.
  • the present firefighting compositions may advantageously be substantially free of any fluorinated compounds.
  • the “phrase substantially free of fluorinated compounds” means that the aqueous firefighting composition includes no more than 0.1 wt.% fluorinated compounds. In some embodiments, the firefighting composition includes no more than 0.01 wt.% and, in some instances, no more than about 0.005 wt.% fluorinated compounds.
  • the firefighting compositions of the present disclosure may be substantially free of fluorine in any form.
  • the phrase “substantially free of fluorine” means that the firefighting composition has a total concentration of fluorine atoms on a weight percentage basis of no more than about 70 ppt F.
  • the water may be deionized water.
  • the amount of water in the composition is the balance of the composition after considering the amounts of the glycol, the polyether, and the ethoxylated acetylenic diol surfactant.
  • a method of fighting a fire includes applying a firefighting composition including a glycol ether, water, and a mixture comprising two or more selected from the consisting group of a glycol, an ethoxylated acetylenic diol surfactant, a quaternary silicone surfactant, and an ethoxylated polydimethylsiloxane to the fire.
  • the methods may be used to completely extinguish the fire. Alternatively, the methods may be used to abate, or contain, the fire for application of other agents or removal of a fuel source.
  • the fires may include those where the application of just water may cause further violent and exothermic reactions.
  • the fire may be a lithium-ion fire or a sodium-ion battery fire.
  • lithium-ion and sodium-ion batteries are those batteries that are rechargeable.
  • Example 1 Propylene glycol (5 wt%), butyl carbitolTM (10 wt%), and Surfynol® 465 (5 wt%) were all mixed in deionized water (80 wt%) to form a firefighting composition.
  • the firefighting composition may be applied to a lithium-based fire to extinguish or abate the fire.
  • Example 2 Butyl carbitolTM (25 wt%), Silquat® A0 (1 wt%), and Silsurf® A0004-UP (1 wt%) were all mixed in deionized water (80 wt%) to form a firefighting composition.
  • the firefighting composition may be applied to a lithium-based fire to extinguish or abate the fire.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Dispersion Chemistry (AREA)
  • Fire-Extinguishing Compositions (AREA)

Abstract

Une composition de lutte contre l'incendie comprend un éther de glycol, de l'eau et un mélange comprenant au moins deux éléments choisis dans le groupe constitué par un glycol, un tensioactif de diol acétylénique éthoxylé, un tensioactif de silicone quaternaire et un polydiméthylsiloxane éthoxylé.
PCT/US2023/024101 2022-06-02 2023-06-01 Agents mouillants à vitesse élevée pour la régulation thermique d'éléments dangereux aux ions lithium WO2023235454A1 (fr)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
CN108014442A (zh) * 2017-11-21 2018-05-11 厦门泰消防科技开发有限公司 一种锂电池灭火剂
CN108042966A (zh) * 2017-11-21 2018-05-18 厦门泰消防科技开发有限公司 一种消防灭火剂
JP2019183141A (ja) * 2018-04-10 2019-10-24 花王株式会社 水性グラビアインキセット
CN114404859A (zh) * 2021-12-21 2022-04-29 程潇 一种锂电池灭火剂的制备方法及锂电池灭火测试装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108014442A (zh) * 2017-11-21 2018-05-11 厦门泰消防科技开发有限公司 一种锂电池灭火剂
CN108042966A (zh) * 2017-11-21 2018-05-18 厦门泰消防科技开发有限公司 一种消防灭火剂
JP2019183141A (ja) * 2018-04-10 2019-10-24 花王株式会社 水性グラビアインキセット
CN114404859A (zh) * 2021-12-21 2022-04-29 程潇 一种锂电池灭火剂的制备方法及锂电池灭火测试装置

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