KR20190106153A - Microencapsulated fire extinguishing composition and fire extinguishing patch containing same - Google Patents

Abstract

The present invention relates to a micro-encapsulated fire extinguishing composition and a fire extinguishing patch containing the same and, more specifically, to a micro-encapsulated fire extinguishing composition in which, when the extinguishing composition is embedded in microcapsules and a temperature thereof rises above the certain level, the microcapsules melt and the extinguishing composition embedded therein is discharged to the outside to exert the function of initial suppression of the fire or suppressing of the fire, and to a fire extinguishing patch containing the micro-encapsulated fire extinguishing composition.

Description

Microencapsulated fire extinguishing composition and fire extinguishing patch containing same}

The present invention relates to a micro-encapsulated digestive composition and a digestive patch containing the same, more specifically, the digestive composition is embedded in the microcapsules, when the temperature rises above a certain temperature, the microcapsules are melted and the digestion embedded therein. The present invention relates to a microencapsulated extinguishing composition exhibiting a function of suppressing the initial suppression or diffusion of a fire and discharging to the outside, and a patch for extinguishing the microencapsulated extinguishing composition.

In general, when a fire occurs, damage to life and enormous property damage are 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 fire is attached to a wall of a building, or a flame-retardant paint is applied. Be prepared to prevent fire or early fire spread by applying

Examples of prior arts related to fire prevention and diffusion prevention by 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), "Inflammable Building Interior Materials" (Previous Document 2), which is Patent Publication No. 10-2005-0000845, and "Fire-resistant refractory coating composition and Method for imparting fire resistance to a building using the same", Patent Publication No. 10-2009-0116042 ( Prior art document 3) and "flame retardant wallpaper and its manufacturing method" (patent document 4), which are registered in Korean Patent No. 10-1068303, have been proposed.

The prior document 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 affixed a multi-layered 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-layered plate made by attaching in the order of 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, when the temperature rises due to the flame in the event of a building fire by foaming, expanding to block or delay the approach of high-temperature heat to the building steel material of fire suppression and life-saving structure It is configured to provide 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 both sides of the glass fiber fabric, and a coating liquid containing water and one or more antimicrobial agent, coating agent, antistatic agent, dispersant, pH stabilizer, adjuvant, foaming agent, binder; consisting of silica, alumina Inorganic flame retardants selected from 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 suppressing function. It is difficult to extinguish the origin of ignition by only delaying the fire, and it is difficult to proactively extinguish active fires due to short circuits in electrical wiring related facilities.In particular, after extinguishing fires, 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, the object of the present invention is to enable the initial evolution of the origin of the ignition including the electrical facilities in the event of a fire and the encapsulation of the extinguishing agent hardly occurs even after extinguishing the microencapsulated digestion In providing a composition for.

Another object of the present invention is to use the micro-encapsulated digestive composition in the fire extinguishing patch contained in the binder layer to form a patch to attach this fire extinguishing patch to various electrical facilities microencapsulation contained in the fire extinguishing patch The present invention provides a fire extinguishing patch containing a micro-encapsulated fire extinguishing composition which is discharged to the outside to allow an initial fire extinguishing of an electrical 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 Consists of a wall portion consisting of a micro-encapsulated fire extinguishing composition which melts the wall portion in the event of a fire and ejects the core portion contained therein to extinguish the ignition origin of the fire.

Preferably, the core portion is characterized in that consisting of 55 to 65% by weight, 10 to 20% by weight of methyl, 25 to 35% by weight of pentane-based ketone compound having a chemical formula of C ₆ F ₁₂ O.

The object of the present invention is attached to the inner surface of the building, the lower attachment film, the first binder layer to be stacked on top of the lower attachment film, the substrate to be stacked on top of the first binder layer, laminated on top of the substrate and a fluorine compound-based ketone compound 55-65 wt%, methyl 10 to 20% by weight, pentanone, 25 and 35 comprises in weight percent comprising the surrounding the core part and the core consisting of a liquid phase polymer polymers of C ₁₀ F ₁₈ walls It is achieved by a fire extinguishing patch containing a micro-encapsulated fire extinguishing composition consisting of a second binder layer containing a microencapsulated fire extinguishing composition consisting of a portion, an upper protective film laminated on 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 micro-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 characterized by.

The present invention provides a digestion of the core part consisting of a liquid phase comprising a fluorine compound-based ketone compound having an inert, thermally stable, and hydrolytic stability contained in the microencapsulated extinguishing composition and the extinguishing patch containing the same according to the present invention. By the first function, the initial fire of the origin of ignition is rapidly extinguished in order to prevent the initial fire of fire and the emission and spread of harmful gases. Secondly, the extinguishing agent hardly occurs even after extinguishing fires. There is no risk of damage. Third, fire extinguishing patch is attached to the electric facilities, and if the fire occurs due to leakage of electric wiring, the core part of the liquid is ejected to the point of ignition. Store the inside of the spray bottle and use a portable extinguishing spray There are excellent effects that can be done quickly for the early evolution of fire origin.

1 is a schematic cross-sectional view of a microencapsulated digestive composition according to an embodiment of the present invention.
2 is a schematic cross-sectional view of a fire extinguishing patch containing a microencapsulated 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 microencapsulated composition for digestion according to another embodiment of the present invention.
Figure 4 is a state diagram showing a state in which a digestive patch containing a micro-encapsulated digestive 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 the specific disclosed forms, 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 and the like, thereby limiting the scope of protection of the present invention. It should not be.

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

Microencapsulated digestive composition 100 according to an embodiment of the present invention, as shown in Figure 1, the core portion 10 made of a liquid containing a fluorine compound-based ketone compound excellent in extinguishing function, and the core portion A microencapsulated extinguishing agent composed of a wall portion 20 made of C ₁₀ F ₁₈ , which is a polymer polymer surrounding (10), wherein the diameter of the microcapsules is formed to a diameter of 10 to 15 μm.

The core part 10 includes 55 to 65% by weight of a fluorine-based ketone compound, 10 to 20% by weight of methyl, and 25 to 35% by weight of pentanone.

If the composition of the fluorine-based ketone compound is less than 55% by weight, it will not be sufficient to exhibit a fire extinguishing function, and if it exceeds 65% by weight, the fire extinguishing function may be improved.

The fluorine-based ketone compound has a neutral property, has inertness, thermal stability, hydrolysis stability, and excellent extinguishing function, which is very useful as a extinguishing agent, and is composed 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 a gas (gas) above the boiling point as it is discharged to the outside.The evaporation heat is 25 times less than water and the vapor pressure is 12 times that of water, so it vaporizes 50 times faster than water. Due to this rapid vaporization characteristic, when applied to the fire extinguishing system, it rapidly reduces the heat of fire and extinguish the fire, and in particular, does not leave residues in the target facility. Therefore, a communication relay station and a communication room with expensive equipment or facilities, a computer and electronic control room, Expensive equipment and cities installed in computer rooms, electrical rooms, data storage rooms, ships equipped with dangerous goods, military installations, engines, crew rooms, and flight waiting rooms It has been applied to the digestive system to water, 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 halon (Hlon) or hydrofluorocarbon (HFC) compounds which have 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 microencapsulated digestive composition 100 according to an embodiment of the present invention is to apply a spray drying method, a liquid fluorine-based ketone compound forming the core portion 10, After preparing a mixture by mixing methyl and pentanone and C ₁₀ F ₁₈ , which is a polymer polymer forming the wall portion 20, the mixture solution is pumped using a spray dryer and rapidly dried at a temperature of 180 to 200 ° C. What is necessary is just to apply the method of manufacturing by performing the process of drying, and this spray drying method corresponds to the method already known well, the detailed description thereof will be omitted.

The microcapsules of the microencapsulated composition 100 for digestion consisting of the core part 10 and the wall part 20 are formed in a diameter of 10 to 15 μm.

When explaining the extinguishing principle of the micro-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, The liquid fluorine compound ketone compound contained in the core part 10 embedded in the wall part 20 is discharged to the outside while C ₁₀ F ₁₈ , a polymer polymer constituting the wall part 20 of the microcapsules, is melted and melted. Because the fluorine-based ketone compound has a boiling point of 49 ° C, it is stored in a liquid state and discharged to the ignition source, and vaporizes very quickly due to the nature of the quenching point. It will be suppressed and vaporized, leaving no residue in the target facility.

On the other hand, the micro-encapsulated extinguishing composition 100 according to an embodiment of the present invention can be stored portable to the 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 micro-encapsulated extinguishing composition 100 is rapidly brought to an ignition point, and the initial fire may be extinguished.

Extinguishing patch 200 containing a micro-encapsulated extinguishing composition 100 according to another embodiment of the present invention, as shown in Figure 2, from the bottom to the lower attachment film 210, the first binder layer 220 ), The substrate 230, the second binder layer 240 containing the microencapsulated composition 100 for digestion, 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 at least one or more may be selected and applied, 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 the microencapsulated composition 100 for digestion according to the embodiment of the present invention. The microencapsulated composition for fire extinguishing 100 may be formed to be dispersed thereon 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 microencapsulated fire extinguishing composition 100 according to another embodiment of the present invention is particularly encapsulated in an electrical facility and microencapsulated to a fired point when a fire occurs by a short circuit. The liquid fluorine compound ketone compound contained in the liquid 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 micro-encapsulated fire extinguishing composition according to another embodiment of the present invention particularly requires a thorough fire prevention and initial evolution of switchboards, distribution boards, environmentally harmful substances detectors, outlets, It is attached to a multi-outlet, an electric switch, an air conditioner outdoor unit, an electric vehicle battery cover, and a smartphone battery cover, so that the fire extinguishment can be exerted very quickly and thoroughly in the event of a fire. FIG. 4 exemplarily shows a state in which a fire extinguishing patch 200 containing the micro-encapsulated fire extinguishing composition according to another embodiment of the present invention is attached to an outer surface of a multi-outlet. Of course it can be attached to the inner surface of the.

The micro-encapsulated extinguishing composition 100 and the extinguishing patch 200 containing the same according to the present invention are not limited by the above-described embodiments, and are substituted and equivalent within the scope without departing from the technical spirit of the present invention. Changes to other embodiments will be apparent to those of ordinary skill in the art.

The micro-encapsulated extinguishing composition and the extinguishing patch containing the same according to the present invention are the same in the art of producing a extinguishing agent and a extinguishing patch containing the same, a spray for extinguishing spray containing the same in the event of a fire in buildings and electrical facilities. Since it is possible to produce a product repeatedly, it will be said that the invention has industrial applicability.

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

Claims (7)

Micro-encapsulated digestive composition 100,
A wall portion 20 having a diameter of 10 to 15 µm and consisting of a core portion 10 made of a liquid phase containing a fluorine-based ketone compound, and C ₁₀ F ₁₈ , which is a polymer polymer surrounding the core portion 10. ),
Micro-encapsulated fire extinguishing composition, characterized in that the core part (10) accommodated therein is ejected to the outside while the wall portion (20) is melted at the time of fire.
The method of claim 1,
The core portion 10 is a micro-encapsulation, characterized in that consisting of 55 to 65% by weight of fluorine-based ketone compound having a chemical formula of C ₆ F ₁₂ O, 10 to 20% by weight methyl, 25 to 35% by weight pentanone Digestive composition.
The method of claim 2,
The micro-encapsulated extinguishing composition 100 is a micro-encapsulated extinguishing composition, characterized in that stored in the spray container is portable.
Fire extinguishing patch 200 containing the micro-encapsulated composition for extinguishing,
The substrate 230 attached to the inner surface of the building, the lower attachment film 210, the first binder layer 220 stacked on the lower attachment film 210, and the substrate 230 stacked on the first binder layer 220. ), The core portion 10 is laminated on top of the substrate 230 and consists of 55 to 65 wt% of fluorine-based ketone compounds, 10 to 20 wt% of methyl, 25 to 35 wt% of pentanone, and made of a liquid phase. A second binder layer 240 containing a microencapsulated composition for digestion 100 composed of a wall portion 20 made of C ₁₀ F ₁₈ , which is a polymer polymer surrounding the core portion 10, and the second binder layer (240) A fire extinguishing patch containing a micro-encapsulated fire extinguishing composition, characterized in that the upper protective film 250 is stacked on top.
The method of claim 4, wherein
The second binder layer 240 is a fire extinguishing patch containing a micro-encapsulated fire extinguishing composition, characterized in that the binder composition layer consisting of Teflon, primer, silicon.
The method of claim 4, wherein
The first binder layer 220 is a binder composition layer made of a polymer polymer, and the substrate 230 is a substrate made of polyvinylacetate and a primer of [-CH ₂ -CH (OCOCH ₃ )-] n. A fire extinguishing patch containing a micro-encapsulated fire extinguishing composition.
The method of claim 4, wherein
Fire extinguishing patch 200 containing the micro-encapsulated composition for extinguishing is any one of the switchboard, distribution box, environmentally hazardous substance detector, outlet, multi-outlet, electrical switch, air conditioner outdoor unit, electric vehicle battery cover, smart phone battery cover A fire extinguishing patch containing a microencapsulated fire extinguishing composition, characterized in that attached.

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