KR102076581B1 - Encapsulated fire extinguishing composition and fire extinguishing patch containing same - Google Patents

Abstract

The present invention relates to an encapsulated fire extinguishing composition capable of realizing initial stage fire extinguishment of a fire in an electric facility, and a fire extinguishing patch containing the same. According to the present invention, since a fire composition comprising a core part including a fluorochemical-based ketone compound and a wall part made of polymer and surrounding the core part is embedded in a microcapsule, the fire extinguishing composition embedded therein is discharged to the outside as the microcapsule is melted when being heated at a predetermined terminal or more such that the encapsulated fire extinguishing composition provides a function of extinguishing a fire and preventing spread of the fire in an early stage. The encapsulated fire extinguishing composition is included in a second binder layer and the fire extinguishing patch is formed by sequentially laminating a lower adhesive film, a first binder layer, a base, the second binder layer, and an upper protection film from the lowermost part.

Description

Encapsulated fire extinguishing composition and fire extinguishing patch containing same}

The present invention relates to an encapsulated fire extinguishing composition and a fire extinguishing patch containing the same. More specifically, when the fire extinguishing composition is embedded in a microcapsule and rises above a predetermined temperature, the microcapsules melt and the extinguishing composition embedded therein is external. The present invention relates to an encapsulated extinguishing composition and a fire extinguishing patch containing the encapsulated extinguishing composition, which are discharged to exert a function of suppressing initial suppression or diffusion of a fire.

In general, when a fire occurs, damage to life and enormous property damage is caused by heat and toxic gases caused by the fire. Therefore, a plate of a fire-resistant and flame-retardant material that is resistant to high temperatures without burning is attached to a wall of a building, or a flame-retardant paint is applied. To prevent fire and prevent the spread of fire early

Examples of prior arts related to fire prevention and diffusion prevention using wall materials such as fireproof materials, flame retardant materials or flame retardant paints as described above, are disclosed in Korean Patent Application Publication No. 10-2002-0059279, "Fireproof insulation soundproof board materials and manufacturing methods" (preceding) Document 1), "Fire-resistant building interior materials" (Previous Document 2), which is published Patent Publication No. 10-2005-0000845, and "Fire-resistant refractory paint composition and a method of imparting fire resistance to buildings using the same" (Patent No. 10-2009-0116042) ( Prior art document 3) and "flame retardant wallpaper and its manufacturing method" (patent document 4), which are registered Patent No. 10-1068303, have been proposed.

The prior reference 1 relates to a flame-retardant soundproof insulation plate made by finishing a circular ceramic film air layer on the front of the flame retardant plate material and attaching a multi-layer soundproofing material and a heat insulating material on the surface, and finishing with a circular ceramic film air layer on the front of the flame retardant plate material and a woven fabric on the back side. , Aluminum thin plate, woven fabric, aluminum thin plate, consisting of a multi-layer plate made by attaching in the order of the woven fabric, the prior document 2 is a flame-retardant outer wrap around the front and both sides, the rear part of the interior material body consisting of a compressed gypsum panel It is attached so that a plurality of interior materials are arranged in series to prevent the side surface of the interior materials from being exposed to make the exterior beautiful, and to prevent the fire from spreading when a fire occurs due to the flame retardant shell. It is configured to reduce the damage caused. The prior document 3 is applied to building materials such as steel, and when the temperature rises by a fire during a building fire, foaming and expansion to block or delay the access of the high temperature heat to the building steel material of the fire suppression and life saving structure It is configured to provide a sufficient time, the prior art 4 is a glass fiber fabric used as a base material; It is coated on at least one side of the both sides of the glass fiber fabric, the coating liquid consisting of water and one or more antibacterial agent, coating agent, antistatic agent, dispersant, pH stabilizer, adjuvant, foaming agent, binder; consisting of silica, alumina Inorganic flame retardants made of one or more selected from sol and alumina phosphate are further included, so that the fire resistance is improved.

However, the wall material such as fire-resistant, flame-retardant material or flame retardant paint according to the preceding documents can be used simply by the method of attachment or application, but the wall material of the preceding documents does not have sufficient fire extinguishing and suppression function. It is difficult to make the initial point of ignition origin by only delaying the fire, and it is difficult to proactively extinguish the fire caused by the short circuit in the electrical wiring related facilities.In particular, after extinguishing the fire, the extinguishing agent remains extinguished There is a problem that the extinguishing agent that remains in the facility as it is installed in the space where expensive equipment or facilities are installed is not suitable.

Republic of Korea Patent Publication No. 10-2002-0059279 Republic of Korea Patent Publication No. 10-2005-0000845 Republic of Korea Patent Publication No. 10-2009-0116042 Republic of Korea Patent No. 10-1068303

The present invention is to solve the shortcomings and problems of the preceding documents, an object of the present invention is the encapsulated extinguishing composition capable of the initial evolution of the origin of the ignition including the electrical facilities in the event of a fire and hardly remains of the extinguishing agent even after the fire extinguishing In providing.

Another object of the present invention is to encapsulate the fire extinguishing composition contained in the fire extinguishing patch by attaching the fire extinguishing patch to various electrical facilities using the fire extinguishing patch contained in the encapsulated fire extinguishing composition in a binder layer forming a patch. The present invention provides a fire extinguishing patch containing an encapsulated fire extinguishing composition which is discharged to the outside and enables an initial fire extinguishing of an electric facility fire.

The object of the present invention is a C ₁₀ F ₁₈ core of the liquid phase containing a fluorine compound-based ketone compound having a diameter of 10 ~ 15㎛ size, excellent in extinguishing function, and a polymer surrounding the core It is composed of a wall portion consisting of, is achieved by the encapsulated fire extinguishing composition which melts the wall portion in the event of fire and ejects the core portion contained therein to extinguish the ignition origin of the fire.

Preferably, the core portion is 55 to 65% by weight of a fluorine-based ketone compound having a chemical formula of C ₆ F ₁₂ O, 3,5-dimethyl-N- [4- (methylsulfonyl) phenyl] -4- [ It is characterized by consisting of 10 to 20% by weight of 2- (trifluoromethyl) phenyl] -2-thiophenecarboxamide and 25 to 35% by weight of pentanone.

The object of the present invention is attached to the inner surface of the building, the lower attachment film, the first binder layer stacked on top of the lower attachment film, the substrate laminated on top of the first binder layer, laminated on top of the substrate 55 to 65% by weight of fluorine-based ketone compound, 3,5-dimethyl-N- [4- (methylsulfonyl) phenyl] -4- [2- (trifluoromethyl) phenyl] -2-thiophena A second encapsulated extinguishing composition comprising a core portion consisting of 10 to 20% by weight of radiamide and 25 to 35% by weight of pentanone and a wall portion consisting of C ₁₀ F ₁₈ , a polymer polymer surrounding the core, It is achieved by a fire extinguishing patch containing an encapsulated fire extinguishing composition comprising a binder layer and an upper protective film stacked on top of the second binder layer.

Preferably, the second binder layer is characterized in that the binder composition layer consisting of Teflon, primer, silicon.

Preferably, the first binder layer is a binder composition layer composed of a polymer polymer, and the substrate is a substrate composed of polyvinylacetate and a primer of [-CH ₂ -CH (OCOCH ₃ )-] n.

Preferably, the fire extinguishing patch containing the encapsulated fire extinguishing composition is attached to the switchboard, distribution box, environmental hazard detector, outlet, multi-outlet, electric switch, air conditioner outdoor unit, electric vehicle battery cover, smart phone battery cover It is done.

The present invention provides a fire extinguishing function exhibited by a core part made up of a liquid phase comprising an inert, thermally stable, hydrolytically stable fluorine compound-based ketone compound contained in an encapsulated extinguishing composition and a fire extinguishing patch containing the same. Firstly, when the fire is first ignited, the initial ignition of the ignition point is rapidly prevented, thus preventing the initial fire of the ignition and the emission and diffusion of harmful gases, and secondly, the remaining extinguishing agent hardly occurs even after extinguishing the fire. Third, fire extinguishing occurs due to leakage of electric wiring by attaching a fire extinguishing patch to the electrical facilities. Initiate fire to the origin of ignition using a portable, extinguishing spray There are excellent effects that can be done quickly angry.

1 is a schematic cross-sectional view of an encapsulated extinguishing composition according to an embodiment of the present invention.
2 is a schematic cross-sectional view of a fire extinguishing patch containing an encapsulated fire extinguishing composition according to another embodiment of the present invention.
Figure 3 is a state diagram schematically showing the configuration contained in the second binder layer encapsulated digestive composition according to another embodiment of the present invention.
Figure 4 is a state diagram showing a state in which a fire extinguishing patch containing an encapsulated extinguishing composition according to another embodiment of the present invention is attached to the multi-outlet.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Terms defined in the description of the present invention are defined in consideration of functions and forms in the present invention, and should not be understood as meanings that limit the technical components of the present invention. The present invention may be modified in various ways and may have various forms, and the detailed description of the embodiments is not intended to limit the present invention to a specific disclosed form, and all changes included in the technical spirit and scope of the present invention, It should be understood to include equivalents and substitutes.

In addition, in the drawings, the components are exaggerated in size (or thick) in size (or thick) in size (or thin) or simplified in consideration of the convenience of understanding, but the protection scope of the present invention is limited in this way. It should not be.

Hereinafter, described in detail with reference to the accompanying drawings showing a preferred embodiment as follows.

Encapsulated digestive composition 100 according to an embodiment of the present invention, as shown in Figure 1, the core portion 10 made of a liquid phase containing a fluorine compound-based ketone compound excellent in extinguishing function, and the core portion 10 ) Is a micro sized encapsulated extinguishing agent composed of a wall portion 20 made of C ₁₀ F ₁₈ , which is a polymer polymer surrounding the shell), wherein the diameter of the capsule is formed to a diameter of 10 to 15 μm.

The core portion 10 is 55 to 65% by weight of a fluorine-based ketone compound, 3,5-dimethyl-N- [4- (methylsulfonyl) phenyl] -4- [2- (trifluoromethyl) phenyl ] -2-thiophenecarboxamide 10 to 20% by weight, pentanone 25 to 35% by weight.

If the composition of the fluorine-based ketone compound is less than 55% by weight, it is difficult to sufficiently exhibit the extinguishing function. If the content of the fluorine-based ketone compound is greater than 65% by weight, the extinguishing function may be improved, but the economic efficiency is not good.

The fluorine-based ketone compound has a neutral property, has an inertness, thermal stability, hydrolysis stability, and excellent extinguishing function, which is very useful as a extinguishing agent, and consists of a liquid phase. The fluorine-based ketone compound has a chemical formula of C ₆ F ₁₂ O, has a molar mass of 316.05 g · mol ⁻¹ and a density of 1,723 g / cm ³ , and exhibits a melting point of -108 ° C. and a boiling point of 49 ° C. at room temperature. It is composed of a liquid, stored as a liquid, and discharged to the outside as it evaporates to gas (gas) above its boiling point. Due to this rapid vaporization characteristic, when applied to the fire extinguishing system, it rapidly reduces the heat of fire to extinguish the fire, and in particular, does not leave residues in the target facility. Expensive equipment installed in computer rooms, electrical rooms, data storage rooms, ships equipped with dangerous goods, military facilities, engines, crew rooms, flight waiting rooms, etc. Has been applied to the digestive system for seolmul, low ozone depletion potential and a global warming potential short residual atmospheric lifetime has been used as a very environmentally friendly fire extinguishing agent. Therefore, due to the environmental friendliness of the fluorine-based ketone compound, it has been evaluated as a future substitute for a halon (Hlon) or hydrofluorocarbon (HFC) compound which has been widely used in the past.

The fluorine-based ketone compound is a compound represented by the following formula (1).

(Formula 1)

The wall part 20 surrounding the core part 10 is made of C ₁₀ F ₁₈ , which is a polymer polymer, and the wall part 20 of the core part 10 accommodated therein is rapidly melted during the fire. The fluorine-based ketone compound is ejected to the outside and rapidly vaporizes to extinguish the origin of fire.

C ₁₀ F ₁₈ , a polymer polymer constituting the wall part 20, has a high thermal conductivity in the form of an inorganic material.

The method for producing a microcapsule of the encapsulated extinguishing composition 100 according to an embodiment of the present invention is to apply a spray drying (spray drying) method, a liquid fluorine-based ketone compound constituting the core portion 10, 3, 5-dimethyl-N- [4- (methylsulfonyl) phenyl] -4- [2- (trifluoromethyl) phenyl] -2-thiophenecarboxamide (C ₂₁ H ₁₈ F ₃ NO ₃ S ₂ ) And preparing a mixture by mixing C ₁₀ F ₁₈ , a polymer polymer constituting the pentanone and the wall portion 20, and then pumping the mixture solution in an emulsion phase using a spray dryer and rapidly drying at a temperature of 80 to 100 ° C. What is necessary is just to apply the method of manufacturing by performing the process, and this spray drying method is a method corresponding to a well-known method already, the detailed description thereof will be omitted.

The microcapsules of the encapsulated extinguishing composition 100 consisting of the core part 10 and the wall part 20 are formed to have a diameter of 10 to 15 μm.

When explaining the extinguishing principle of the encapsulated extinguishing composition 100 according to an embodiment of the present invention, when a fire occurs, the temperature near the ignition origin due to the fire rises, and when the temperature rises above 142 ° C., the microcapsule C ₁₀ F ₁₈ , a polymer polymer constituting the wall portion 20, is melted and melted so that the liquid fluorine-based ketone compound contained in the core portion 10 embedded in the wall portion 20 is discharged to the outside. As the boiling point is 49 ℃, the liquid fluorine-based ketone compound is stored in the liquid state and is discharged to the ignition source and vaporizes very quickly. It will be done, and vaporization will leave no residue in the target facility.

On the other hand, the encapsulated extinguishing composition 100 according to an embodiment of the present invention can be stored in a portable spray container. In this case, the spray container may apply a conventional spray container, and there is no particular limitation. Therefore, in the event of a fire, the fire extinguishing spray containing the encapsulated extinguishing composition 100 is quickly brought to an ignition point, and the initial fire extinguishing is possible.

Extinguishing patch 200 containing the encapsulated extinguishing composition 100 according to another embodiment of the present invention, as shown in Figure 2, from the bottom to the lower adhesion film 210, the first binder layer 220, The substrate 230, the second binder layer 240 containing the encapsulated extinguishing composition 100, and the upper protective film 250 are sequentially stacked. Herein, an adhesive layer (not shown) may be further stacked between the lower adhesion film 210 and the first binder layer 220.

The lower attachment film 210 and the upper protective film 250 may be formed of a material applied to a conventional protective film, the embodiment of the present invention polyethylene terephthalate (PET), polybutylene terephthalate (PBT) , Polyethylene naphthalate (PEN) is selected and applied.

The substrate 230 is not limited so long as it has a mechanical strength capable of withstanding the external force applied during the patch processing, nylon, polypropylene, polymethyl pentene, polyvinyl chloride, polyacrylate, polymethacrylate, poly Mid, polyetherimide, polyarylate, polysulfone, polyethersulfone, polyphenylene ether, polycarbonate, ABS resin may be selected at least one or more selected, but as a more preferred embodiment in the embodiment of the present invention _{[-CH 2 -CH (OCOCH 3)} -] and applied to a substrate of n polyvinyl acetate and primer.

As the first binder layer 220 and the second binder layer 240, a binder composition layer obtained by polymerizing a polyester polyol or a polyether polyol and an isocyanate compound, which is a conventional binder composition, may be applied. In an embodiment, the second binder layer is a binder composition layer made of Teflon, a primer, and silicon, and the first binder layer is a binder composition layer made of a polymer polymer.

As shown in FIG. 3, the second binder layer 240 contains an encapsulated extinguishing composition 100 according to an embodiment of the present invention. The encapsulated extinguishing composition 100 may be formed to be dispersed after the second binder layer 240 is formed, or may be formed to be dispersed inside the second binder layer 240.

The fire extinguishing patch 200 containing the encapsulated extinguishing composition 100 according to another embodiment of the present invention is particularly encapsulated in a micro size to a point where it is ignited when a fire occurs due to a short circuit by attaching to an electrical facility. The liquid fluorine compound ketone compound contained in the core portion 10 of the extinguishing composition 100 is ejected to exert an excellent extinguishing effect capable of initial evolution.

Therefore, the fire extinguishing patch 200 containing the encapsulated extinguishing composition 100 according to another embodiment of the present invention is particularly required for thorough fire prevention and initial evolution of switchboards, distribution boards, environmentally hazardous materials detectors, and electrical outlets. It is attached to the multi-outlet, electric switch, air conditioner outdoor unit, electric vehicle battery cover, smartphone battery cover, it is possible to achieve the effect of early extinguishing and thorough fire extinguishing residues very quickly and thoroughly in case of fire. FIG. 4 exemplarily shows a state in which a fire extinguishing patch 200 containing the encapsulated extinguishing composition 100 is attached to an outer surface of a multi-outlet according to another embodiment of the present invention. Of course, it can be attached to the inner surface of the outlet.

The encapsulated extinguishing composition 100 and the extinguishing patch 200 containing the same according to the present invention are not limited to the above-described embodiment, and other substitutions and equivalents within the scope not departing from the technical spirit of the present invention. Changes to the examples will be apparent to those of ordinary skill in the art.

The encapsulated fire extinguishing composition and the fire extinguishing patch containing the same according to the present invention use the same product in the art to produce a fire extinguishing agent and a fire extinguishing patch containing the same, a fire extinguishing spray containing the same. Since it is possible to produce repeatedly, it will be said that the invention has industrial applicability.

100: encapsulated digestive composition
10 core part 20 wall part
200: fire extinguishing patch containing encapsulated fire extinguishing composition
210: lower attachment film 220: first binder layer
230: base material 240: second binder layer
250: upper protective film

Claims (6)

delete delete The fire extinguishing patch 200 containing the encapsulated fire extinguishing composition,
The substrate 230 is attached to the inner surface of the building, the lower attachment film 210, the first binder layer 220 to be stacked on the lower attachment film 210, the base material 230 to be laminated on the first binder layer 220 ), Stacked on top of the substrate 230 and a fluorine-based ketone compound and 3,5-dimethyl-N- [4- (methylsulfonyl) phenyl] -4- [2- (trifluoromethyl) phenyl] Encapsulated extinguishing composition consisting of core part 10 consisting of 2-thiophenecarboxamide and pentanone and consisting of liquid part and wall part 20 consisting of C10F18, which is a polymer polymer surrounding the core part 10 ( A second binder layer 240 containing 100 and an upper protective film 250 stacked on the second binder layer 240,
The encapsulated extinguishing composition 100,
It consists of a core portion 10 having a diameter of 10 to 15 μm and consisting of a liquid phase containing a fluorine-based ketone compound, and a wall portion 20 made of C10F18, which is a polymer polymer surrounding the core portion 10. Became,
During the fire, the core part 10 accommodated therein is ejected to the outside while the wall part 20 is melted.
The core portion 10 is 55 to 65% by weight of a fluorine compound ketone compound having a chemical formula of C6F12O, 3,5-dimethyl-N- [4- (methylsulfonyl) phenyl] -4- [2- (tri Fluoromethyl) phenyl] -2-thiophenecarboxamide 10-20 wt%, pentanone 25-35 wt%,
The second binder layer 240 is a binder composition layer made of Teflon, primer, and silicon,
The first binder layer 220 is a binder composition layer made of a polymer polymer,
The base material 230 is a fire extinguishing patch containing an encapsulated extinguishing composition, characterized in that the base material consisting of a polyvinylacetate and a primer of [-CH2-CH (OCOCH3)-] n. delete delete delete

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