WO2023008537A1 - 消火材形成用組成物、消火材並びに消火性部材及びその製造方法 - Google Patents

消火材形成用組成物、消火材並びに消火性部材及びその製造方法 Download PDF

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Publication number
WO2023008537A1
WO2023008537A1 PCT/JP2022/029194 JP2022029194W WO2023008537A1 WO 2023008537 A1 WO2023008537 A1 WO 2023008537A1 JP 2022029194 W JP2022029194 W JP 2022029194W WO 2023008537 A1 WO2023008537 A1 WO 2023008537A1
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Prior art keywords
fire
extinguishing
extinguishing agent
containing layer
forming
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/JP2022/029194
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English (en)
French (fr)
Japanese (ja)
Inventor
悠朔 本庄
真登 黒川
康晴 椎根
亮 正田
淳也 田辺
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Toppan Inc
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Toppan Inc
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Filing date
Publication date
Application filed by Toppan Inc filed Critical Toppan Inc
Priority to CN202280049881.9A priority Critical patent/CN117693384A/zh
Priority to JP2023521146A priority patent/JP7364124B2/ja
Priority to EP22849598.2A priority patent/EP4378545A4/en
Priority to KR1020247000040A priority patent/KR20240041313A/ko
Publication of WO2023008537A1 publication Critical patent/WO2023008537A1/ja
Priority to JP2023172204A priority patent/JP2023181191A/ja
Priority to US18/420,031 priority patent/US20240199893A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • 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
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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Definitions

  • the present disclosure relates to a composition for forming a fire-extinguishing material, a fire-extinguishing material, a fire-extinguishing member, and a method for manufacturing the same.
  • the fire-extinguishing member is used, for example, in industrial members such as building materials, automobile members, aircraft members, and electronic members.
  • Patent Literature 1 discloses a structure for preventing the spread of fire in an external thermal insulation structure comprising at least a structure in which a back mortar layer, a heat insulating material layer, a front mortar layer, and a finishing material are laminated in this order on the outer surface of the frame of a building. are doing.
  • a self-extinguishing molded product in which a fire extinguishing agent composition that generates an aerosol when burned is mixed with a binder and molded into a sheet (for example, Patent Document 2).
  • An object of the present invention is to provide a composition for forming a fire extinguishing material useful for the above, and a fire extinguishing material and a fire extinguishing member using the same.
  • Another object of the present disclosure is to provide a method for producing a fire-extinguishing member that is useful for achieving rapid initial extinguishing in the event of a fire, even if the object is a structure having a complex shape such as unevenness.
  • One aspect of the present disclosure includes a fire extinguishing agent containing at least one of a hygroscopic organic salt and an inorganic salt, and a binder containing at least one of a polyvinyl acetal resin and a polyvinyl alcohol resin.
  • a material forming composition is provided.
  • the extinguishing material-forming composition may further comprise a liquid medium.
  • the moisture absorption of salt is suppressed by the polyvinyl acetal-based resin and the polyvinyl alcohol-based resin.
  • the fire extinguishing material which is excellent in property stability.
  • polyvinyl acetal-based resin and polyvinyl alcohol-based resin are thermoplastic resins with excellent flexibility. Cracks and the like are less likely to occur in the fire extinguishing material.
  • the composition for forming the fire extinguishing material may contain 70 to 97% by mass of the extinguishing agent based on the total amount of the extinguishing agent and the resin.
  • the salt may be a potassium salt.
  • the weight average molecular weight Mw of the resin may range from 10,000 to 150,000.
  • the glass transition temperature Tg of the resin may be 55 to 110°C.
  • the present disclosure also provides a fire extinguishing material formed from the fire extinguishing material forming composition described above.
  • One aspect of the present disclosure includes an adherend having an uneven surface to be treated, and an extinguishing agent-containing layer provided on the treated surface, wherein the extinguishing agent-containing layer comprises the extinguishing agent-forming composition To provide a fire extinguishing member composed of an object.
  • the above method for producing a fire-extinguishing member is a method for producing a fire-extinguishing member in which the fire-extinguishing agent-containing layer contains a binder and a fire-extinguishing agent, comprising: (A) a step of preparing an adherend having an uneven surface to be treated; (B) forming an extinguishing agent-containing layer on the surface to be treated, wherein the extinguishing agent-containing layer is composed of the extinguishing agent-forming composition, and in the step (B), a wet coating method to form a fire-extinguishing agent-containing layer.
  • the wet coating method may be one of a spray coating method and a dip coating method.
  • One aspect of the present disclosure is an adherend having an uneven treated surface, a fire extinguishing agent-containing layer provided on the treated surface, and a protective layer provided on the surface of the extinguishing agent-containing layer.
  • a method for producing a fire-extinguishing member, wherein the fire-extinguishing agent-containing layer contains a binder and a fire-extinguishing agent comprising: (A) a step of preparing an adherend having an uneven surface to be treated; Forming a fire-extinguishing agent-containing layer on the surface; (C) forming a protective layer on the fire-extinguishing agent-containing layer; A method for manufacturing a fire extinguishing member is provided.
  • the fire-extinguishing agent-containing layer may be composed of the fire-extinguishing agent-forming composition.
  • the extinguishing agent-containing layer may be formed by a wet coating method.
  • the wet coating method may be one of a spray coating method and a dip coating method.
  • a composition and a fire extinguishing material formed from the composition for forming the fire extinguishing material can be provided.
  • a method for manufacturing a fire-extinguishing member useful for realizing rapid initial fire extinguishing when a fire breaks out and It is possible to provide a fire extinguishing member which is excellent in property stability and is useful for achieving rapid initial extinguishing when a fire occurs, and a method for producing the same.
  • FIG. 1 is a cross-sectional view schematically showing a first embodiment of a fire extinguishing member according to the present disclosure.
  • 2(a) and 2(b) are cross-sectional views schematically showing examples of uneven shapes on the surface to be processed.
  • Fig. 3(a) is a cross-sectional view schematically showing a second embodiment of the fire extinguishing member according to the present disclosure
  • Fig. 3(b) is a modification of the fire extinguishing member shown in Fig. 3(a).
  • the extinguishing agent-forming composition includes an extinguishing agent and a binder.
  • the extinguishing material-forming composition may further contain a liquid medium.
  • the fire extinguishing agent contains at least one of a hygroscopic organic salt and a hygroscopic inorganic salt.
  • a hygroscopic salt is a salt that increases by more than 3% by mass due to moisture absorption when exposed to an environment of 25°C and 75% RH for 7 days.
  • Examples of hygroscopic organic salts that function as extinguishing agents include potassium salts, sodium salts, and ammonium salts.
  • a potassium salt can be used as the organic salt.
  • Organic potassium salts include potassium acetate, monopotassium citrate, dipotassium citrate, tripotassium citrate, monopotassium tartrate, dipotassium tartrate, potassium lactate, potassium oxalate, monopotassium maleate, dipotassium maleate, succinate.
  • Carboxylic acid potassium salts such as monopotassium acid and dipotassium succinate can be mentioned.
  • potassium acetate, monopotassium citrate, dipotassium citrate, or tripotassium citrate can be used from the viewpoint of usefulness for the negative catalytic effect of combustion.
  • Examples of hygroscopic inorganic salts that function as extinguishing agents include potassium salts and sodium salts.
  • a potassium salt can be used as the inorganic salt.
  • examples of inorganic potassium salts include potassium tetraborate, potassium carbonate, potassium hydrogen carbonate, potassium dihydrogen phosphate, and dipotassium hydrogen phosphate. Of these, potassium hydrogen carbonate can be used from the viewpoint of usefulness for the negative catalytic effect of combustion.
  • the organic salt and inorganic salt may be used alone or in combination of two or more.
  • the organic salt and inorganic salt may be granular.
  • the average particle size D50 of the organic salt and inorganic salt may be 1 ⁇ m or more and 100 ⁇ m or less, or may be 3 ⁇ m or more and 40 ⁇ m or less. When the average particle diameter D50 is at least the above lower limit, it is easy to disperse in the system. tend to improve.
  • the average particle diameter D50 can be calculated by wet measurement using a laser diffraction particle size distribution analyzer.
  • the amount of extinguishing agent containing salt is 70% by mass or more and 97% by mass or less based on the total amount of extinguishing agent and resin (polyvinyl acetal resin and polyvinyl alcohol resin described later). 85% by mass or more and 92% by mass or less.
  • the amount of the extinguishing agent is equal to or less than the above upper limit, it is easy to suppress the moisture absorption of the salt and form a uniform extinguishing agent. easy to do
  • the total amount of the fire extinguishing agent and the resin can also be said to be the total amount of the salt and the binder, although it depends on the components contained therein.
  • the content of the organic salt and inorganic salt contained in the extinguishing agent can be 60% by mass or more based on the total amount of the extinguishing agent from the viewpoint of expressing the fire extinguishing function, and may be 90% by mass or more. It may be 100% by mass.
  • the extinguishing agent may contain ingredients other than the salt described above.
  • Other components include colorants, oxidants, antioxidants, flame retardants, inorganic fillers, fluidity imparting agents, moisture proof agents, dispersants, UV absorbers, and the like. These other components can be appropriately selected depending on the type of salt and the type of binder. Moreover, these other ingredients may be pre-mixed with the salt described above, or may be coated on the surface of the salt.
  • the content of other components contained in the fire extinguishing agent is, for example, 40% by mass or less.
  • the binder contains at least one of polyvinyl acetal resin and polyvinyl alcohol resin. Both polyvinyl acetal-based resins and polyvinyl alcohol-based resins are hydroxyl group-containing resins. As the degree of acetalization of the polyvinyl acetal-based resin increases, the hydrophobicity of the resin improves, so that moisture absorption due to salt can be easily suppressed. Since polyvinyl alcohol-based resins are not acetalized, they have more hydroxyl groups than polyvinyl acetal-based resins, but they may have more reaction points with other resin components than the above resins. Therefore, from the viewpoint of binder design, the polyvinyl alcohol resin has a higher degree of design freedom and is easier to handle.
  • Polyvinyl alcohol-based resin is obtained by saponifying polyvinyl acetate-based resin.
  • Polyvinyl acetate-based resins include polyvinyl acetate, which is a homopolymer of vinyl acetate, and copolymers of vinyl acetate and other monomers.
  • Other monomers include, for example, unsaturated carboxylic acids, unsaturated sulfonic acids, olefins, vinyl ethers, acrylamides having an ammonium group, and the like.
  • the saponification degree of the polyvinyl alcohol-based resin is not particularly limited, but may be 80 mol% or more, or 95 mol% or more. Since the polyvinyl alcohol-based resin has an appropriate degree of saponification, it is easy to maintain the shape stability of the film.
  • the polyvinyl alcohol-based resin may be modified. Modes of modification include acetoacetyl group modification, carboxylic acid modification, carbonyl group modification, sulfonic acid modification, hydrazide group modification, thiol group modification, alkyl group modification, silyl group modification, polyethylene glycol group modification, ethylene oxide group modification, and urethane bond modification. Modification with a group having, phosphate ester group modification and the like can be mentioned. By modifying the polyvinyl alcohol-based resin, it is easy to suppress moisture absorption due to salt.
  • a polyvinyl acetal resin is obtained by acetalizing a polyvinyl alcohol resin.
  • the degree of saponification of the polyvinyl alcohol-based resin used to obtain the polyvinyl acetal-based resin is not particularly limited, but may be 80 mol% or more, or 95 mol% or more.
  • Aldehydes used for acetalization are not particularly limited, but include aldehydes having an aliphatic or aromatic group with 1 to 10 carbon atoms.
  • aldehydes include formaldehyde, acetaldehyde, propionaldehyde, n-butyraldehyde, isobutyraldehyde, n-valeraldehyde, n-hexylaldehyde, 2-ethylbutyraldehyde, 2-ethylhexylaldehyde, n-heptylaldehyde, n-octylaldehyde, Aliphatic aldehydes such as tellaldehyde, n-nonylaldehyde, n-decylaldehyde, amylaldehyde; benzaldehyde, cinnamaldehyde, 2-methylbenzaldehyde, 3-methylbenzalde
  • aldehydes may be used alone or in combination of two or more.
  • the aldehyde is preferably butyraldehyde, 2-ethylhexylaldehyde or n-nonylaldehyde, and most preferably butyraldehyde, from the viewpoint of excellent acetalization reactivity.
  • the ketone used for acetalization is not particularly limited, but acetone, ethyl methyl ketone, diethyl ketone, t-butyl ketone, dipropyl ketone, allyl ethyl ketone, acetophenone, p-methylacetophenone, 4′-aminoacetophenone, p- chloroacetophenone, 4′-methoxyacetophenone, 2′-hydroxyacetophenone, 3′-nitroacetophenone, P-(1-piperidino)acetophenone, benzalacetophenone, propiophenone, benzophenone, 4-nitrobenzophenone, 2-methylbenzophenone, p-bromobenzophenone, cyclohexyl(phenyl)methanone, 2-butyronaphthone, 1-acetonaphthone, 2-hydroxy-1-acetonaphthone, 8'-hydroxy-1'-benzonap
  • the amount of aldehyde and ketone used can be appropriately set according to the degree of acetalization.
  • the total amount of aldehyde and ketone can be 0.30 to 0.45 hydroxyl group equivalents with respect to the hydroxyl groups of the polyvinyl alcohol resin before the reaction.
  • the hydroxyl group content (residual hydroxyl value) of the polyvinyl acetal-based resin may be 10 to 40 mol%, or may be 15 to 25 mol%.
  • the amount of hydroxyl groups is the ratio (mol%) of the amount of ethylene groups to which hydroxyl groups are bonded to the total amount of ethylene groups in the main chain.
  • the amount of ethylene groups to which hydroxyl groups are bonded can be calculated, for example, by a method based on JIS K6728 "Polyvinyl butyral test method".
  • the polyvinyl acetal-based resin and the polyvinyl alcohol-based resin may be used alone, or two or more of them may be used in combination.
  • the weight average molecular weight Mw of the polyvinyl acetal-based resin and the polyvinyl alcohol-based resin may be 10,000 or more, 20,000 or more, or 150,000 or less, or 100,000 or less.
  • the weight average molecular weight Mw can be calculated by the GPC method.
  • the glass transition temperature Tg of the polyvinyl acetal-based resin and the polyvinyl alcohol-based resin may be 55° C. or higher, 80° C. or higher, 110° C. or lower, or 100° C. or lower. good too.
  • the glass transition temperature Tg can be measured by thermal analysis using a differential scanning calorimeter.
  • the content of the polyvinyl acetal-based resin and the polyvinyl alcohol-based resin contained in the binder can be 40% by mass or more, based on the total amount of the binder, from the viewpoint of sufficiently expressing the characteristics of the resin, and 70% by mass or more. or 100% by mass.
  • the binder may contain components other than the resins described above, from the viewpoint of suppressing moisture absorption by salts accompanying the improvement of hydrophobicity.
  • Other components include silane coupling agents and the like.
  • the content of other components contained in the binder is, for example, 60% by mass or less.
  • Liquid media include organic solvents.
  • the organic solvent includes water-soluble solvents, for example, alcohols such as methanol, ethanol, isopropyl alcohol and n-propyl alcohol; ketones such as acetone and methyl ethyl ketone; glycols such as ethylene glycol and diethylene glycol; Examples include glycol ethers such as methylpyrrolidone (NMP), tetrahydrofuran, and butyl cellosolve.
  • the liquid medium may be an alcohol solvent, specifically a mixed solvent of ethanol and isopropyl alcohol.
  • the amount of the liquid medium may be appropriately adjusted according to the method of use of the extinguishing material-forming composition, but it can be 40 to 95% by mass based on the total amount of the extinguishing material-forming composition.
  • a fire-extinguishing material-forming composition containing a liquid medium can be referred to as a fire-extinguishing material-forming coating liquid.
  • the fire-extinguishing material can be formed from a fire-extinguishing material-forming composition.
  • the method of forming (manufacturing method) of the extinguishing material is exemplified below.
  • the fire-extinguishing material can be formed on the object by applying the coating liquid for forming the fire-extinguishing material on the surface to be treated of the object and drying it.
  • Materials of the object include metal, resin, wood, ceramics, glass, etc.
  • the object may be non-porous or porous.
  • the application can be done by a wet coating method.
  • Wet coating methods include gravure coating, comma coating, spray coating, dip coating, curtain coating, spin coating, sponge roll, die coating, and brush coating.
  • the viscosity of the coating liquid for forming the fire extinguishing material is preferably 1 to 2000 mPa s in the gravure coating method, and preferably 500 to 100000 mPa s in the comma coating method. If so, it is preferably 0.1 to 4000 mPa ⁇ s.
  • the amount of the liquid medium may be appropriately adjusted so that the viscosity of the coating liquid is within the desired range. Viscosity can be measured with a coaxial double-cylinder rotational viscometer.
  • the extinguishing material-forming coating liquid can penetrate into the object.
  • the extinguishing material may be formed on the object by impregnating the object with the extinguishing material-forming coating liquid and drying it.
  • the fire-extinguishing material can also be obtained by molding the composition for forming the fire-extinguishing material.
  • the shape of the fire-extinguishing material may be selected according to its application, and the fire-extinguishing material may be granular fire-extinguishing material, plate-like fire-extinguishing material, column-like fire-extinguishing material, or the like.
  • FIG. 1 is a schematic cross-sectional view of a fire extinguishing member according to the first embodiment.
  • the fire-extinguishing member 10 includes an adherend 1 having an uneven surface to be treated, and a fire-extinguishing agent-containing layer 2A provided on the surface to be treated.
  • the material of the adherend 1 is not particularly limited, and for example, adherends used for construction materials, automobile members, aircraft members, electronic members and the like can be used.
  • Such an adherend 1 may be a resin base material, metal, non-combustible paper, glass cloth, or the like.
  • resin substrates examples include polyolefins (LLDPE, PP, COP, CPP, etc.), polyesters (PET, etc.), fluororesins (PTFE, ETFE, EFEP, PFA, FEP, PCTFE, etc.), PVC, PVA, acrylic resins, Epoxy resin, polyamide, polyimide, polycarbonate (PC), and the like.
  • LLDPE, PP, COP, CPP, PET, PTFE, ETFE, EFEP, PFA, FEP, PCTFE, and PVC are used as the resin base material from the viewpoint of low water vapor permeability and easy suppression of deterioration of the extinguishing agent. and PC.
  • a highly transparent material it becomes easier to perform an external inspection of the fire-extinguishing member 10 and confirm replacement timing.
  • Metals include aluminum, iron, copper, stainless steel alloys thereof, duralumin, and galvanized steel sheets.
  • the adherend 1 contains, for example, organic phosphorus compounds (FR), epoxy compounds, aramid compounds, amide compounds, silicon compounds, carbon, aramid compounds, amide compounds, silicon compounds, carbon fibers, and the like. You can
  • the adherend 1 has an uneven surface to be treated.
  • a surface to be processed having an uneven shape means, for example, a surface to be processed in which the height difference between the convex portion and the concave portion is equal to or greater than a certain value.
  • the surface to be processed satisfies at least one of the following conditions, for example. ⁇ The maximum height H of the uneven shape is 0.1 mm or more (height H in FIG. 2(a)) ⁇ The angle between the bottom surface 1a and the side surface 1b of the protrusion 1c is 90° or less (angle ⁇ in FIG.
  • the corner R formed by the bottom surface 1a and the side surface 1b is 3 mm or less ⁇ The ratio (H/W) of the minimum width W of the bottom of the protrusion 1c (width W in FIG. 3 or less or 1 or less
  • the number of protrusions 1c (and/or recesses) on the surface to be treated may be 1 or more, and may be 3 or more. Even if the surface to be treated has the uneven shape as described above, the wet coating method can neatly provide the extinguishing agent-containing layer 2 on the surface to be treated.
  • the thickness of the adherend 1 can be appropriately selected according to the amount of heat, impact, and allowable space at the time of fire. For example, if the adherend 1 is thick, it is easy to suppress water vapor permeation, obtain strength and rigidity, and facilitate handling. On the other hand, if the adherend 1 is thin, the fire-extinguishing member can be provided in a narrow space.
  • the thickness of the adherend 1 can be, for example, 0.05 to 20 mm, and may be 0.1 to 5 mm.
  • the adherend 1 may be a laminate of a plurality of adherends.
  • the adherend 1 may be an injection-molded article or a press-molded article.
  • the injection molding method or the press molding method is preferable because the adherend 1 having a complicated concave-convex shape can be mass-produced.
  • the adherend may be the housing itself, or may be provided on the inner surface of the housing.
  • the fire-extinguishing agent-containing layer 2A is made of the fire-extinguishing agent-forming composition, and includes a binder and a fire-extinguishing agent.
  • the thickness of the extinguishing agent-containing layer 2A may be appropriately set according to the extinguishment object and installation location of the extinguishing member 10, and the amount of the extinguishing agent to be blended.
  • the thickness of the extinguishing agent-containing layer 2A may be, for example, 1 mm or less, and may be 30 to 1000 ⁇ m, and may be 120 to 500 ⁇ m.
  • the content of the extinguishing agent in the extinguishing agent-containing layer 2A (based on the mass of the extinguishing agent-containing layer 2A) is, for example, 70 to 97% by mass, preferably 80 to 95% by mass, more preferably 85 to 92% by mass. %.
  • the content of the fire extinguishing agent is 70% by mass or more, excellent fire extinguishing performance can be achieved.
  • a stable coating film can be achieved without slipping.
  • the amount of extinguishing agent per unit area may be set according to the target to be extinguished.
  • extinguishing agent As the extinguishing agent, the same extinguishing agent as contained in the composition for forming the extinguishing agent can be used.
  • the extinguishing agent is not particularly limited, and one having so-called four fire-extinguishing elements (removing action, cooling action, suffocating action, and negative catalytic action) can be appropriately used.
  • Specific examples of fire-extinguishing agents include general fire-extinguishing agents (including general powder-type fire-extinguishing agents such as sodium bicarbonate and phosphate, in addition to powder-type fire-extinguishing agents containing potassium salt as a main component).
  • Universal extinguishing agents include ABC extinguishing agents, and extinguishing agents for oil and electrical fires include BC extinguishing agents.
  • a BC fire extinguishing agent or other fire extinguishing agents for lithium ion batteries may be used.
  • Examples of commercially available fire extinguishing agents include STAT-X (trade name, manufactured by Nippon Koki Co., Ltd.).
  • the fire extinguishing agent may contain at least one of a hygroscopic organic salt and a hygroscopic inorganic salt.
  • Potassium salts, sodium salts, ammonium salts and the like can be mentioned as examples of hygroscopic organic salts that function as extinguishing agents.
  • a potassium salt can be used as the organic salt.
  • Organic potassium salts include potassium acetate, monopotassium citrate, dipotassium citrate, tripotassium citrate, monopotassium tartrate, dipotassium tartrate, potassium lactate, potassium oxalate, monopotassium maleate, dipotassium maleate, succinate.
  • Carboxylic acid potassium salts such as monopotassium acid and dipotassium succinate can be mentioned.
  • potassium acetate, monopotassium citrate, dipotassium citrate, or tripotassium citrate can be used from the viewpoint of usefulness for the negative catalytic effect of combustion.
  • binder As the binder, the same binder as that contained in the composition for forming the fire-extinguishing agent can be used.
  • Other binders that can be used include thermoplastic resins and thermosetting resins.
  • Polyolefin-based resins such as polypropylene-based resins, polyethylene-based resins, poly(1-)butene-based resins, polypentene-based resins, polystyrene-based resins, acrylonitrile-butadiene-styrene-based resins, and methyl methacrylate-butadiene-styrene-based resins as thermoplastic resins resins, ethylene-vinyl acetate resins, ethylene-propylene resins, polycarbonate resins, polyphenylene ether resins, acrylic resins, polyamide resins, polyvinyl chloride resins, and the like.
  • Thermosetting resins include natural rubber (NR), isoprene rubber (IR), butadiene rubber (BR), 1,2-polybutadiene rubber (1,2-BR), styrene-butadiene rubber (SBR), chloroprene rubber (CR ), nitrile rubber (NBR), butyl rubber (IIR), ethylene-propylene rubber (EPR, EPDM), chlorosulfonated polyethylene (CSM), acrylic rubber (ACM, ANM), epichlorohydrin rubber (CO, ECO), polyvulcanized rubber (T), silicone rubber (Q), fluororubber (FKM, FZ), urethane rubber (U), polyurethane resin, polyisocyanate resin, polyisocyanurate resin, phenol resin, epoxy resin, and the like.
  • the binder may contain a hardener component.
  • Epoxy resin is suitable for binders because it has excellent compatibility with fire extinguishing agents, is soluble in alcohol solvents described later, and has high stability. Since the epoxy resin does not undergo hydrolysis or embrittlement due to wet heat, the fire-extinguishing agent-containing layer containing the epoxy resin as a binder has excellent stability.
  • the binder it is preferable to use a binder having water vapor barrier properties.
  • the binder preferably has a water vapor permeability of 5 g ⁇ mm/m 2 /day or less, more preferably 1 g ⁇ mm/m 2 /day or less (40°C/ 90% RH condition) can be achieved.
  • Maxieve trade name, manufactured by Mitsubishi Gas Chemical Company, Inc.
  • the binder content based on the total amount of the extinguishing agent-containing layer 2A is, for example, 3 to 30% by mass, preferably 5 to 20% by mass, more preferably 8 to 15% by mass.
  • the binder content is 3% by mass or more, excellent moldability can be achieved, and when it is 30% by mass or less, excellent fire extinguishing performance can be achieved.
  • the extinguishing agent-containing layer 2A may contain other components in addition to those described above.
  • Other components include dispersants such as water, solvents, colorants, antioxidants, flame retardants, inorganic fillers and adhesives. These components may be appropriately selected according to the composition of the extinguishing agent-containing layer and the type of binder.
  • the content of other components in the fire-extinguishing agent-containing layer 2A (based on the mass of the fire-extinguishing agent-containing layer 2A) is, for example, 10% by mass or less.
  • the fire extinguishing member 10 is manufactured through the following steps.
  • B A step of forming a fire-extinguishing agent-containing layer 2A on the surface to be treated.
  • the extinguishant-containing layer 2A is formed by a wet coating method.
  • the wet coating method is, for example, a method of preparing a coating liquid containing a binder and a fire extinguishing agent to form a film on the surface of the adherend 1 to be treated.
  • the coating liquid may contain, for example, an alcohol solvent or the like.
  • Wet coating methods include a spray coating method, a dip coating method, a curtain coating method, a spin coating method, a sponge roll method, and a brush coating method. Among these, the spray coating method and the dip coating method are preferable.
  • the wet coating method may be performed after covering the area with another member.
  • the spray coating method is a method of applying a coating liquid to the adherend 1 in the form of a mist using a spray coater.
  • the spray method and nozzle specifications are appropriately selected according to the uneven shape of the surface to be treated of the adherend 1, the solvent contained in the coating liquid, the thickness of the extinguishing agent-containing layer 2A, the tact time, and the cost of the equipment. is preferred.
  • Nozzle specifications are compatible with, for example, one-fluid nozzles (spray patterns (flat, straight, full cone, hollow cone, fine spray, oval, square) and spray angles (0° to 170°).
  • two-fluid spray a spray nozzle that pulverizes and atomizes a liquid with a high-speed air current such as compressed air, enabling a wide range of adjustment of the nozzle that is optimal for the required application and conditions such as fine mist and fog. become
  • a spray method for example, in order to generate a pattern composed of medium to large particles on a circular front surface, a full cone spray method is preferable. It is preferable to use a two-fluid air atomizing spray system capable of forming a film.
  • the adherend 1 is preferably made of a material that satisfies solvent resistance and explosion-proof specifications.
  • the solid content of the coating liquid can be, for example, 15 to 60% by mass. If the solids content and viscosity are high, a large thickness can be obtained with a single spray, but the required pressure is high and the risk of clogging is increased. Also, if a large thickness is obtained at once, there is a risk that bumping will occur during drying, resulting in irregularities on the film surface. From this point of view, the solid content is preferably 20 to 50% by mass.
  • the dip coating method is a method in which the adherend 1 is vertically immersed in a liquid (coating liquid) and pulled up while adjusting the force and speed based on the viscosity, surface tension, and weight of the liquid.
  • the speed is controlled from the relationship between the viscosity in the liquid and the gravitational force of the coating liquid adhering to the adherend. It is preferable to design a desired thickness according to the object to be extinguished, and appropriately select the solid content, viscosity, and lifting speed from the viewpoint of the stability of the thickness and the extinguishing agent-containing layer 2A.
  • the solid content of the liquid can be, for example, 15 to 60% by mass.
  • the solid content and viscosity are high, a large thickness can be obtained, but there is a risk that thickening will easily occur, bumping will easily occur during drying, and unevenness will occur on the film surface. From this point of view, the solid content is preferably 20 to 50% by mass.
  • FIG.3 (a) is a schematic cross section of the fire extinguishing member which concerns on 2nd embodiment.
  • the fire-extinguishing member 20A includes an adherend 1 having an uneven treated surface, a fire-extinguishing agent-containing layer 2B provided on the treated surface, and a protective layer 3 provided on the surface of the fire-extinguishing agent-containing layer 2B. and
  • the fire-extinguishing member 20A differs from the fire-extinguishing member 10 in that the protective layer 3 is further provided.
  • the extinguishing agent-containing layer 2B and the protective layer 3 will be mainly described below.
  • the extinguishing agent-containing layer 2B contains a binder and an extinguishing agent.
  • the extinguishing agent-containing layer 2B may have the same configuration as the extinguishing agent-containing layer 2A.
  • the thickness of the fire extinguishing agent-containing layer 2B may be appropriately set according to the extinguishing target and installation location of the extinguishing member 10 and the amount of the extinguishing agent to be blended.
  • the thickness of the extinguishing agent-containing layer 2B may be, for example, 1 mm or less, and may be 30 to 1000 ⁇ m, and may be 120 to 500 ⁇ m.
  • the content of the extinguishing agent in the extinguishing agent-containing layer 2B (based on the mass of the extinguishing agent-containing layer 2B) is, for example, 70 to 97% by mass, preferably 80 to 95% by mass, more preferably 85 to 92% by mass. %.
  • the content of the fire extinguishing agent is 70% by mass or more, excellent fire extinguishing performance can be achieved.
  • a stable coating film can be achieved without slipping.
  • the amount of extinguishing agent per unit area may be set according to the target to be extinguished.
  • the extinguishing agent is not particularly limited, and one having so-called four fire-extinguishing elements (removing action, cooling action, suffocating action, and negative catalytic action) can be appropriately used.
  • Specific examples of fire-extinguishing agents include general fire-extinguishing agents (including general powder-type fire-extinguishing agents such as sodium bicarbonate and phosphate, in addition to powder-type fire-extinguishing agents containing potassium salt as a main component).
  • Universal extinguishing agents include ABC extinguishing agents, and extinguishing agents for oil and electrical fires include BC extinguishing agents.
  • a BC fire extinguishing agent or other fire extinguishing agents for lithium ion batteries may be used.
  • Examples of commercially available fire extinguishing agents include STAT-X (trade name, manufactured by Nippon Koki Co., Ltd.).
  • the fire extinguishing agent may contain at least one of a hygroscopic organic salt and a hygroscopic inorganic salt.
  • Potassium salts, sodium salts, ammonium salts and the like can be mentioned as examples of hygroscopic organic salts that function as extinguishing agents.
  • a potassium salt can be used as the organic salt.
  • Organic potassium salts include potassium acetate, monopotassium citrate, dipotassium citrate, tripotassium citrate, monopotassium tartrate, dipotassium tartrate, potassium lactate, potassium oxalate, monopotassium maleate, dipotassium maleate, succinate.
  • Carboxylic acid potassium salts such as monopotassium acid and dipotassium succinate can be mentioned.
  • potassium acetate, monopotassium citrate, dipotassium citrate, or tripotassium citrate can be used from the viewpoint of usefulness for the negative catalytic effect of combustion.
  • binder As the binder, the same binder as that contained in the composition for forming the fire-extinguishing agent can be used.
  • Other binders that can be used include thermoplastic resins and thermosetting resins.
  • Polyolefin-based resins such as polypropylene-based resins, polyethylene-based resins, poly(1-)butene-based resins, polypentene-based resins, polystyrene-based resins, acrylonitrile-butadiene-styrene-based resins, and methyl methacrylate-butadiene-styrene-based resins as thermoplastic resins resins, ethylene-vinyl acetate resins, ethylene-propylene resins, polycarbonate resins, polyphenylene ether resins, acrylic resins, polyamide resins, polyvinyl chloride resins, and the like.
  • Thermosetting resins include natural rubber (NR), isoprene rubber (IR), butadiene rubber (BR), 1,2-polybutadiene rubber (1,2-BR), styrene-butadiene rubber (SBR), chloroprene rubber (CR ), nitrile rubber (NBR), butyl rubber (IIR), ethylene-propylene rubber (EPR, EPDM), chlorosulfonated polyethylene (CSM), acrylic rubber (ACM, ANM), epichlorohydrin rubber (CO, ECO), polyvulcanized rubber (T), silicone rubber (Q), fluororubber (FKM, FZ), urethane rubber (U), polyurethane resin, polyisocyanate resin, polyisocyanurate resin, phenol resin, epoxy resin, and the like.
  • the binder may contain a hardener component.
  • Epoxy resin is suitable for binders because it has excellent compatibility with fire extinguishing agents, is soluble in alcohol solvents described later, and has high stability. Since the epoxy resin does not undergo hydrolysis or embrittlement due to wet heat, the fire-extinguishing agent-containing layer containing the epoxy resin as a binder has excellent stability.
  • the binder it is preferable to use a binder having water vapor barrier properties.
  • the binder preferably has a water vapor permeability of 5 g ⁇ mm/m 2 /day or less, more preferably 1 g ⁇ mm/m 2 /day or less (JIS K 7129 compliant, 40°C/ 90% RH condition) can be achieved.
  • JIS K 7129 compliant, 40°C/ 90% RH condition JIS K 7129 compliant, 40°C/ 90% RH condition
  • Maxieve trade name, manufactured by Mitsubishi Gas Chemical Company, Inc.
  • the content of the binder based on the total amount of the extinguishing agent-containing layer 2B is, for example, 3-30% by mass, preferably 5-20% by mass, and more preferably 8-15% by mass.
  • the binder content is 3% by mass or more, excellent moldability can be achieved, and when it is 30% by mass or less, excellent fire extinguishing performance can be achieved.
  • the extinguishing agent-containing layer 2B may contain other components in addition to those described above.
  • Other components include dispersants such as water, solvents, colorants, antioxidants, flame retardants, inorganic fillers and adhesives. These components may be appropriately selected according to the composition of the extinguishing agent-containing layer 2B and the type of binder.
  • the content of other components in the extinguishing agent-containing layer 2B is, for example, 10% by mass or less.
  • the protective layer 3 is provided so as to partially cover the surface of the extinguishing agent-containing layer 2B. That is, the protective layer 3 according to the present embodiment covers the main surface 2a of the extinguishing agent-containing layer 2B (the surface extending in the extending direction of the treated surface of the adherend 1), while the extinguishing agent-containing layer 2B It does not cover the sides 2b, 2c. The side surfaces 2b and 2c of the extinguishing agent-containing layer 2B are exposed.
  • Examples of materials for the protective layer 3 include polyolefin, polyester, fluororesin, polyvinyl chloride, polyvinyl alcohol, acrylic resin, epoxy resin, polyamide, polyimide, metal, oxide, nitride, and oxynitride.
  • the protective layer 3 may have a water vapor permeability of 2 ⁇ 10 2 g/m 2 /day or less.
  • the water vapor permeability is 2 ⁇ 10 2 g/m 2 /day or less
  • the extinguishing agent-containing layer 2B is deliquescence and corrosion of surrounding metals by alkaline water can be further suppressed. Also, the fire extinguishing speed can be maintained.
  • the water vapor permeability of the protective layer 3 is preferably 2 ⁇ 10 1 g/m 2 /day or less.
  • the water vapor transmission rate of the protective layer 3 is a value measured under conditions of 40° C./90% RH in accordance with JIS K 7129.
  • the protective layer 3 may have a pencil hardness of B or higher. If the pencil hardness is B or higher, the extinguishing agent-containing layer 2B is exposed due to cracking or scratching of the protective layer 3 during transportation of the extinguishing member, processing of the extinguishing member, or long-term storage of products using the extinguishing member. It is possible to prevent the extinguishing agent-containing layer 2B from deliquescing. From this point of view, the pencil hardness of the protective layer 3 is preferably F or higher. The pencil hardness of the protective layer 3 refers to the value obtained by measuring the scratch hardness (pencil method) according to JIS K 5600.
  • the thickness of the protective layer 3 is not particularly limited, and may be appropriately set according to the fire-extinguishing object and installation location of the fire-extinguishing member 10A, and the amount of extinguishing agent to be blended.
  • the thickness of the protective layer 3 may be, for example, 1-1000 ⁇ m, or 20-300 ⁇ m.
  • FIG. 3(b) is a modification of the fire extinguishing member 20A shown in FIG. 3(a).
  • the protective layer 3 shown in FIG. 3(b) is provided so as to cover the entire surface (main surface 2a and side surfaces 2b, 2c) of the extinguishing agent-containing layer 2B.
  • the protective layer 3 By covering the entire surface of the extinguishing agent-containing layer 2B with the protective layer 3, the influence of deliquescence on the extinguishing agent-containing layer 2B can be further suppressed.
  • the fire extinguishing members 20A, 20B are manufactured through the following steps.
  • B A step of forming a fire-extinguishing agent-containing layer 2B on the surface to be treated.
  • C A step of forming a protective layer 3 on the extinguishing agent-containing layer 2B.
  • the extinguishing agent-containing layer 2B may be formed by a wet coating method in the step (B), and the protective layer 3 may be formed by a wet coating method in the step (C).
  • the extinguishing agent-containing layer 2B and the protective layer 3 may be formed by a wet coating method. By forming these layers by a wet coating method, it is possible to efficiently produce a fire extinguishing member with a beautiful appearance.
  • the formation of the extinguishing agent-containing layer 2B may be carried out in the same manner as in the first embodiment.
  • the formation of the protective layer 3 may be carried out as follows. That is, a coating liquid containing a material constituting the protective layer 3 is prepared, and a coating film is formed so as to cover at least a portion of the extinguishing agent-containing layer 2B.
  • the coating liquid may contain, for example, an alcohol solvent or the like.
  • Wet coating methods include a spray coating method, a dip coating method, a curtain coating method, a spin coating method, a sponge roll method, and a brush coating method. Among these, the spray coating method and the dip coating method are preferable.
  • the extinguishing agent-containing layer 2B may be formed by a wet coating method.
  • the protective layer 3 may be formed by a wet coating method after covering the region with another member.
  • the thickness of the protective layer 3 is designed according to the object to be extinguished, and from the viewpoint of the thickness and the stability of the protective layer 3, the solid content, viscosity, and lifting speed are appropriately selected. preferably.
  • the solid content of the coating liquid can be, for example, 15 to 60% by mass. If the solids content and viscosity are high, a large thickness can be obtained with a single spray, but the required pressure is high and the risk of clogging is increased. Also, if a large thickness is obtained at once, there is a risk that bumping will occur during drying, resulting in irregularities on the film surface. From this point of view, the solid content is preferably 20 to 50% by mass.
  • the laminate of the adherend 1 and the fire-extinguishing agent-containing layer 2B is vertically immersed in the liquid, and the viscous force, surface tension, and weight of the liquid are used to adjust the force and speed. and pull it up.
  • the pull-up speed is controlled from the relationship between the viscosity in the liquid and the gravity of the coating liquid adhering to the fire-extinguishing agent-containing layer 2B.
  • the solid content of the liquid can be, for example, 15 to 60% by mass.
  • the solid content and viscosity are high, a large thickness can be obtained, but there is a risk that thickening will easily occur, bumping will easily occur during drying, and unevenness will occur on the film surface. From this point of view, the solid content is preferably 20 to 50% by mass.
  • a fire extinguishing agent containing at least one of a hygroscopic organic salt and an inorganic salt; a binder containing at least one of a polyvinyl acetal-based resin and a polyvinyl alcohol-based resin;
  • a composition for forming a fire extinguishing material comprising: [2] The composition for forming a fire-extinguishing material according to [1], containing 70 to 97% by mass of the fire-extinguishing agent based on the total amount of the fire-extinguishing agent and the resin.
  • Tg glass transition temperature
  • a fire-extinguishing member comprising an adherend having an uneven treated surface and a fire-extinguishing agent-containing layer provided on the treated surface, wherein the fire-extinguishing agent-containing layer contains a binder and a fire-extinguishing agent
  • a manufacturing method comprising: (A) a step of preparing an adherend having the uneven surface to be treated; (B) forming the extinguishing agent-containing layer on the surface to be treated; including The extinguishing agent-containing layer is composed of the composition for forming an extinguishing agent according to any one of [1] to [6], (B) A method for producing a fire-extinguishing member, wherein the fire-extinguishing agent-containing layer is formed by a wet coating method in the step (B).
  • An adherend having an uneven surface to be treated, an extinguishing agent-containing layer provided on the treated surface, and a protective layer provided on the surface of the extinguishing agent-containing layer A method for manufacturing a fire-extinguishing member, wherein the fire-extinguishing agent-containing layer contains a binder and a fire-extinguishing agent, (A) a step of preparing an adherend having the uneven surface to be treated; (B) forming the extinguishing agent-containing layer on the surface to be treated; (C) forming the protective layer on the extinguishing agent-containing layer; including (C) The method for producing a fire-extinguishing member, wherein the protective layer is formed by a wet coating method in step (C).
  • the material of the protective layer is selected from the group consisting of polyolefin, polyester, fluororesin, polyvinyl chloride, polyvinyl alcohol, acrylic resin, epoxy resin, polyamide, polyimide, metal, oxide, nitride and oxynitride.
  • the fire extinguishing member according to [15] or [16], wherein the protective layer has a water vapor permeability of 2 ⁇ 10 2 g/m 2 /day or less.
  • Examples 1 and 2 85 parts by mass of potassium citrate or potassium hydrogen carbonate as a hygroscopic salt, 15 parts by mass of polyvinyl butyral (butyral-protected polyvinyl alcohol) as a polyvinyl acetal resin, and 130 parts by mass of ethanol as a liquid medium are mixed to form a fire extinguishing material. A forming coating was prepared.
  • the resulting coating liquid was applied onto a polyethylene terephthalate (PET) film and dried in an oven at 100° C. for 4 minutes.
  • PET polyethylene terephthalate
  • a coating liquid was applied in the same manner as in the example except that a urethane resin was used instead of polyvinyl butyral, and a mixed solvent of 87 parts by mass of ethanol, 5 parts by mass of isopropyl alcohol, and 10 parts by mass of ethyl acetate was used instead of ethanol. was prepared to obtain the laminate.
  • a barrier film comprising a sealant layer (L-LDPE (linear low-density polyethylene) resin, 30 ⁇ m thick) and a base layer (PET (polyethylene terephthalate) resin having a silica deposition film, 12 ⁇ m thick) was prepared.
  • the barrier film had a water vapor transmission rate of 0.2 to 0.6 g/m 2 /day (at 40°C/90% RH).
  • Two sheets of this barrier film were used to cover the laminate of the PET film and the fire-extinguishing material, and the laminate was enclosed by heat-sealing four sides of the barrier film.
  • the heat sealing conditions were 140° C. and 2 seconds. This was used as an evaluation sample.
  • Examples 1A-15A, 1B-10B, Comparative Examples 1A-3A and Comparative Examples 1B-3B (Examples 1A-15A and Comparative Examples 1A-3A)
  • PC-FR (40) (manufactured by Idemitsu Kosan Co., Ltd., AK3020, thickness 100 ⁇ m) was prepared as an adherend. An uneven shape was provided on this adherend. Details of the uneven shape are shown in Tables 2 to 4.
  • a powder extinguishing agent that is a hygroscopic salt trade name: ABC extinguishing agent, manufactured by Morita Miyata Kogyo Co., Ltd.
  • a binder trade names: AD393 and CAT-EP5
  • the coating liquid for forming the extinguishing agent for the extinguishing agent-containing layer a mixture of potassium citrate and potassium chlorate (87.4 parts by mass) as extinguishing agents and polyvinyl butyral (12.6 parts by mass) as a binder are used.
  • a mixture of potassium citrate and potassium chlorate was ground in an agate mortar and then filtered through a No. 800 mesh to adjust the particle size D50 to 8 to 12 ⁇ m.
  • PC-FR (40) manufactured by Idemitsu Kosan Co., Ltd., AK3020, thickness 100 ⁇ m was prepared as an adherend. An uneven shape was provided on this adherend. Details of the uneven shape are shown in Tables 5(A), 5(B), and 6.
  • the coating liquid for forming the extinguishing agent for the extinguishing agent-containing layer a mixture of potassium citrate and potassium chlorate (87.4 parts by mass) as extinguishing agents and polyvinyl butyral (12.6 parts by mass) as a binder are used.
  • a mixture of potassium citrate and potassium chlorate was ground in an agate mortar and then filtered through a No. 800 mesh to adjust the particle size D50 to 8 to 12 ⁇ m.
  • the extinguishing agent-containing coating liquid for forming the extinguishing agent-containing layer is applied to the adherend prepared above by the method shown in Tables 5 (A) and 5 (B) so that the total solid content is 42.5% by mass. was applied at a drying temperature of 90° C. for 1 minute so that the total thickness of the extinguishing agent-containing layer was 200 ⁇ m.
  • Table 6 in Comparative Examples 2B and 3B, a commercially available fire extinguishing sheet (thickness: 3 mm, containing fluoroketone-based fire extinguishing agent as an extinguishing agent) was used as the extinguishing agent-containing layer. In Comparative Example 1B, no extinguishing agent-containing layer was provided.
  • the slurry of the protective layer was applied by the method shown in Tables 5(A) and 5(B) and dried to produce the fire extinguishing member shown in Tables 5(A) and 5(B).
  • the following coating liquids were used for the protective layers.
  • no extinguishing agent-containing layer was provided.
  • - Protective layer coating solution 1 M-100 (manufactured by Mitsubishi Gas Chemical Co., Ltd.) 8.4% by mass, C-93 (manufactured by Toyo Ink Co., Ltd.) 26.9% by mass, methanol 20.2%, ethyl acetate 44.5 mass%

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JP7480904B1 (ja) 2023-04-17 2024-05-10 Ｔｏｐｐａｎホールディングス株式会社 消火材及び消火材パッケージ
WO2024219177A1 (ja) * 2023-04-17 2024-10-24 Ｔｏｐｐａｎホールディングス株式会社 消火シート及びこれを備えた自動消火機能を有する装置
JP2024153532A (ja) * 2023-04-17 2024-10-29 Ｔｏｐｐａｎホールディングス株式会社 消火シート及びこれを備えた自動消火機能を有する装置
WO2025115494A1 (ja) * 2023-11-30 2025-06-05 Ｔｏｐｐａｎホールディングス株式会社 消火材用組成物ならびに消火材及びその製造方法
EP4556083A4 (en) * 2022-07-15 2025-10-29 Toppan Holdings Inc FIRE EXTINGUISHING MATERIAL AND FIRE EXTINGUISHING MATERIAL PACKAGING
EP4556082A4 (en) * 2022-07-15 2025-10-29 Toppan Holdings Inc FIRE EXTINGUISHING MATERIAL AND FIRE EXTINGUISHING MATERIAL PACKAGING

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