WO2020013373A1

WO2020013373A1 - Fire extinguishing sheet and tape having excellent flexibility and self-extinguishing function, and manufacturing method therefor

Info

Publication number: WO2020013373A1
Application number: PCT/KR2018/008578
Authority: WO
Inventors: 이상열; 김성엽; 강성천; 최석민; 한석만
Original assignee: 주식회사 파이어캅
Priority date: 2018-07-10
Filing date: 2018-07-27
Publication date: 2020-01-16
Also published as: KR101944942B1

Abstract

The present invention relates to a fire extinguishing sheet having excellent flexibility and a self-extinguishing function, and a manufacturing method therefor, the fire extinguishing sheet comprising a sheet and a fire prevention layer, which is attached to one surface of the sheet and has a self-extinguishing function, wherein the fire prevention layer comprises: a fire prevention bead having polymer microcapsules containing fire-extinguishing substances; and a binder, which comprises a ceramic powder and a copolymer, for adhering the fire prevention bead to the sheet and forming an air layer in order to prevent the generation of cracks even if sheet bending occurs.

Description

Fire-fighting sheet and tape with excellent ductility and self-extinguishing function and method of manufacturing the same

The present invention relates to a fire-fighting sheet and tape having excellent ductility and having a self-extinguishing function and a method of manufacturing the same.

Gas fire extinguishing systems, powder fire extinguishing systems, aqueous fire extinguishing systems and the like are widely used as fire extinguishing systems in the event of fire. The fire extinguishing mechanism of the gas fire extinguishing system is mainly extinguished by reducing the oxygen concentration of the fire source by physical fire extinguishing. According to the powder fire extinguishing system, the powder sprayed by the action of pressurized gas is brought into contact with a flame to extinguish through physicochemical suppression. According to the fire extinguishing system, fire extinguishing is realized by three actions such as cooling of water fog, choking and blocking of heat radiation.

In the case of group facility fires such as apartments, underpasses and subway fires, it is not easy to extinguish the gastrointestinal system directly due to the generation of toxic substances and gases. Although flame retardant materials or paints are used in the above facilities to prevent the spread of fire, the fire spread is passively prevented. However, there is a need to actively extinguish the fire like the existing fire extinguishing system. Similarly, flame retardant films or flame retardant sheets are often employed in devices that generate high temperature heat, such as smartphone batteries, computers, electric motors, and distribution boards, but more aggressive fire extinguishing systems are required for these devices and devices.

Accordingly, a temperature responsive fire extinguishing sticker has been developed. Korean Patent Registration No. 10-1756229 discloses a fire extinguishing sticker that automatically reacts to a fire occurring in front and rear of an outlet.

However, the conventional temperature-responsive fire extinguishing sticker was difficult to attach to the first bent or angled because of the lack of ductility, and second, it was difficult to produce a large size, that is, 250x250mm or more.

Moreover, it was also difficult to produce products that the customer required for various shapes such as protrusions (blocks), embossing, rail types, matrix types, etc. due to the secondary coating.

The present invention has been made in order to solve the above problems, it is configured to form an air layer in the fire protection disaster prevention layer to be excellent in ductility, can be attached to bent or angled, it is excellent in ductility that can be produced in a large size It is to provide a fire fighting sheet having a self-extinguishing function and a method of manufacturing the same.

Fire fighting sheet which is an embodiment of the present invention devised to solve the above problems, the sheet; And a fire prevention layer having a self-extinguishing function attached to one surface of the sheet, wherein the fire prevention layer includes: a fire prevention bead consisting of a polymer microcapsule with a fire fighting component embedded therein; And a binder including a ceramic powder and a copolymer to form an air layer in order to prevent the occurrence of cracks in sheet bending while allowing the fire prevention beads to adhere to the sheet, and has excellent ductility and self extinguishing function.

Here, the fire fighting sheet may further include an adhesive layer formed on one surface of the fire fighting disaster prevention side.

Here, the fire protection layer may further include a natural dye to give the color of the fire protection layer.

Here, the fire protection layer may further include an oil for preventing the surface surface active effect and bubbles during curing.

Here, the fire protection layer may further include a softener and a thickener for preventing static electricity and enhancing the flexibility of the fire protection beads.

Here, the thickener may include at least one of hydrocyclophoryl mesyl-cellulose / mesyl cellulose and sodium alginate and zeolite.

Here, the softener may include at least one of carbanite, mineral oil, vegetable oil.

Here, the fire protection disaster beads may be included 40 to 60% by weight, the binder may be contained 30 to 50% by weight.

Here, the ceramic powder may be 3 to 7% by weight, the copolymer may include 23 to 47% by weight.

Here, the thickener may be 0.5 to 3% by weight, the softener may be included 0.5 to 3% by weight.

Here, the dye may be contained 0.5 to 2.0% by weight.

Here, the fire prevention disaster prevention layer, the first disaster prevention layer in contact with the sheet; And a second disaster prevention layer having a plurality of protrusions protruding in a matrix form on the first disaster prevention layer.

Here, the protrusion may be any one of a disc shape, a cylindrical shape, and a square plate shape.

Here, the fire-fighting component is perfluoro propane, perfluorobutane, chlorotetrafluoroethane, pentafluoroethane, heptafluoropropane, trifluoromethane, hexafluoropropane, trifluoroiodide, hydrochloro It may include one or more materials selected from the group consisting of a fluorocarbon admixture and an incombustible inert gas mixed gas.

In another embodiment of the present invention, the method for manufacturing a fire fighting sheet includes the steps of preparing a sheet; fire fighting prevention beads, a binder including a ceramic powder and a copolymer, a softening agent, and a thickening agent: preparing the fire fighting disaster beads, the binder, Producing fire-fighting materials by supplying the softener and the thickener to an automatic stirrer and stirring; Coating the fire prevention material on the sheet by spraying the fire prevention material through a spraying device while transferring the sheet through a roller; Ventilating and drying the sheet coated with the fire prevention raw material to prepare an aid fire fighting sheet; And cutting the aid fire fighting sheet through an automatic cutting cutter to complete the fire fighting sheet.

Here, the fire-fighting disaster prevention raw material, the fire-fighting disaster prevention beads 40 to 60% by weight, the binder may include 30 to 50% by weight, vegetable oil 3 to 7% by weight.

In another embodiment of the present invention, a method for manufacturing a fire fighting sheet includes a method for manufacturing a fire fighting sheet having a protrusion having a matrix form, comprising: preparing a form having a groove having a matrix form corresponding to the protrusion; Curing and drying the fire prevention raw material into the formwork; Preparing a fire protection layer by separating the dried fire prevention material from the formwork; Attaching a double-sided adhesive tape to one surface of the fire protection layer may comprise the step of completing a fire fighting sheet having a sheet.

According to one embodiment of the present invention having the above-described configuration, since the fire protection beads consisting of polymer microcapsules are fixed using a copolymer, the ductility is strengthened by forming an air layer that generates itself upon stirring In addition, it is possible to provide a fire fighting seat that can be attached to a bent position.

In addition, according to an embodiment of the present invention, since the fire prevention disaster bead consisting of microcapsules and the copolymer is formed by stirring together the air layer is formed when stirring, it is possible to manufacture a firefighting sheet of a large size of 250 * 250mm or more do.

1 is a cross-sectional view of a first embodiment of a sheet for fire fighting which is an embodiment of the present invention.

Figure 2 is a cross-sectional view of a second embodiment of a firefighting sheet which is one embodiment of the present invention.

3 is a cross-sectional view of a third embodiment of a fire fighting seat according to one embodiment of the present invention;

4 is a view for explaining the operation of the fire protection disaster beads used in the fire protection sheet which is an embodiment of the present invention.

Figure 5 is an image for explaining an example of producing a fire extinguishing sheet is an embodiment of the present invention in a variety of colors.

Figure 6 is an image showing that the fire fighting sheet which is an embodiment of the present invention has sufficient ductility.

7 is a view showing an example in which the fire fighting sheet is an embodiment of the present invention attached to the angled position and the column position.

8 is a view showing a practical example in which the fire fighting sheet is an embodiment of the invention in large size.

9 is a flowchart for explaining a first embodiment of a fire fighting seat and a method of manufacturing the same according to another embodiment of the present invention.

10 is a flow chart for explaining a second embodiment of a fire fighting seat and a method of manufacturing the same according to another embodiment of the present invention.

Hereinafter, a fire extinguishing sheet having excellent softness and having a self-extinguishing function according to a preferred embodiment of the present invention and a tape and a method of manufacturing the same will be described in detail with reference to the accompanying drawings. In the present specification, even if different embodiments are given the same * similar reference numerals for the same * similar configuration, the description is replaced with the first description.

1 is a cross-sectional view of a first embodiment of a firefighting sheet which is an embodiment of the present invention, Figure 2 is a cross-sectional view of a second embodiment of a firefighting sheet which is an embodiment of the present invention, Figure 3 is a firefighting sheet of an embodiment of the present invention It is sectional drawing of 3rd Example, FIG. 4 is a figure for demonstrating the operation | movement of the fire prevention disaster prevention beads used for the fire protection sheet which is one Embodiment of this invention.

The fire fighting sheet as shown in FIG. 1 may be configured to include the sheet 10 and the fire prevention layer 20 largely.

Sheet 10 is made of a general synthetic resin material, or a paper material and the other surface is formed with an adhesive layer (not shown) so that the fire-fighting sheet according to the present invention can be attached to the object.

The fire protection layer 20 attached to one surface of the sheet 10 may be configured to include a fire protection bead consisting of a polymer microcapsule having a fire protection component embedded therein and a binder for fixing the fire protection bead so as to have a self-extinguishing function. Can be.

The fire fighting component may be a clean fire extinguishing agent notified by the Fire and Disaster Prevention Agency, and more specifically, perfluoropropane, perfluorobutane, chlorotetrafluoroethane, pentafluoroethane, heptafluoropropane, and trifluoro. It may include one or more substances selected from the group consisting of methane, hexafluoropropane, trifluoro iodide, hydrochlorofluorocarbon admixture and incombustible inert gas mixed gas.

Perblue orpropane is fluorine carbide in which all hydrogen atoms are replaced with fluorine atoms in the skeleton of n-propane, and its boiling point is -36.7 ° C and the digestion concentration is 7.3 vol%. It is environmentally friendly, non-toxic, inert, non-conductive and has an ODP (Ozone Layer Destruction Index) of zero.

The fluorobutane is a fluorine carbide in which all hydrogen atoms are replaced with fluorine atoms in the skeleton of n-propane, and has a boiling point of -2.2 ° C and a digestion concentration of 5.0 to 5.9 vol%. Colorless, non-flammable gas with low toxicity.

Chlorotetrafluoroethane is a substance in which four of the hydrogen atoms of ethane are replaced by fluorine atoms and one by chlorine atoms. Digestion concentrations range from 6.4 to 8.2 vol% and are commonly used under the name FE-241.

Pentafluoroloethane is a substance in which five of the hydrogen atoms of ethane are replaced with fluorine. The boiling point is -11 ° C and the digestion concentration is 8.1 to 9.4 vol%. Due to its excellent stability, it is mostly compatible with metals and rubbers, and has a merit of requiring a small amount of chemicals per unit volume. Commonly referred to as HFC-125, FE-25.

Heptafluoropropane acts as a fire extinguishing agent and inhibits the activation of corals by the ability of radicals to absorb electrons. Global ODP is 0, boiling point is -16.4 ℃, and digestion concentration is 5.8 ~ 6.6 vol%. Commonly referred to as HFC-227ea or FM-200.

Trifluoromethane is the most economical, it does not contain bromine and chlorine, so ODP is zero and its toxicity is harmless. Digestion concentration is 14 ~ 15vol%, colorless and odorless and is commonly used under the names HFC-23 and FE-13.

Hexaflouropropane contains no bromine and chlorine, resulting in zero ODP and low toxicity. Commonly known as FE-36.

Trifluorodide has chemical extinguishing as well as physical extinguishing performance and the concentration of extinguishing agent is 3.1 vol%.

Hydrochlorofluorocarbon admixture is a fire extinguishing agent mixed with HCFC-123: HCFC-22: HCFC-124: C ₁₀ H ₁₆ in a ratio of 4.75%: 82%: 9.5%: 3.75%. vol%.

Incombustible inert gas mixtures include IG-1, IG-55, IG-100 and IG-541. IG-1 has more than 99.9 vol% argon, IG-55 has 50 vol% nitrogen, 50 vol% argon and IG-100. Silver is more than 99.9% vol%, IG-541 is a mixed digestive agent consisting of 52vol% argon 40vol% and 8vol% carbon dioxide. They have zero ODP and do not possess chemical extinguishing properties and are mainly digested by lowering the concentration of oxygen in confined spaces. Even at concentrations of drugs that can exert digestive abilities, there is no problem with human breathing, so it can be used where people are.

Microcapsules are nano-sized, hollow ball capsules. The microcapsules contain a number of firefighting components. Such microcapsules burst when a fire occurs and the temperature rises above the reference value (see FIG. 4) and the extinguishing component is directed to the ignition point. As such, the microcapsules use a thermoplastic resin so that the seal can be released by temperature.

In the present invention, the binder may be configured to include a copolymer and a ceramic powder in order to prevent cracking even during the bending of the sheet 10, while functioning to fix the fire protection beads. The ceramic powder helps to spread the fire protection beads evenly, and the copolymer allows itself to form an air layer when stirred through a stirrer. The embossing effect and the connection coupling force between the fire prevention beads by the air layer are improved, so that the break for the microcapsules does not occur even if the fire fighting sheet is bent or angled. Thus, since the ductility is imparted to the manufacturing process and the finished product, according to the example according to the present invention, it is possible to manufacture a fire extinguishing sheet having a large size of 250 mm * 250 mm or more, and to attach the sheet 10 to an angled or rounded place. Done.

2 shows a second embodiment. In the second embodiment, the fire prevention layer 20 includes a first disaster prevention layer 21 in contact with the sheet 10 and a second disaster prevention layer 22 protruding from the first disaster prevention layer 21. Can be.

The second disaster prevention layer 22 is a form having a plurality of protrusions protruding in a matrix form on the first disaster prevention layer 21, the protrusion may be any one of a disk, cylindrical, square plate shape. . It is to be understood that the shape of the protrusions is only one example and can be manufactured in various forms.

In the case of the fire-fighting sheet having the fire prevention layer 20 embossed (protrusion or block type) as in the second embodiment, since the outside air contact area is wider than in the first embodiment, the fire fighting efficiency can be improved. do. In addition, the protruding second disaster prevention layer has an effect of suppressing the transfer of flame. In detail, the fire that is normally generated is diffused while moving on the wall or the ceiling. The second disaster prevention layer of the second embodiment according to the present invention has a plurality of matrix-shaped protrusions, and the second disaster prevention layer serves not only as a structure for preventing the flame from moving laterally. The self-extinguishing function is also exhibited against the flame in the transverse direction. Accordingly, it has the function of extending the golden time of the fire by preventing the spread of the flame as much as possible to block the movement of the flame to the surroundings.

Here, the first disaster prevention layer 21 and the second disaster prevention layer 22 are made of the same material, and a manufacturing method thereof will be described with reference to FIGS. 9 and 10.

Meanwhile, an adhesive layer 10 ′ may be further formed on the other surface of the fire prevention disaster prevention layer 20 for the directing direction of the fire protection component, which corresponds to the third embodiment shown in FIG. 3. According to the third embodiment, as shown in FIG. 3, the sheet 10 is formed on one surface and the adhesive layer 10 ′ is formed on the other surface of the fire prevention layer 20. When configured as described above, the fire protection sheet can be attached to the structure in the direction in which the fire prevention layer 20 is directed, thereby increasing the utilization. In the case of the configuration as in the third embodiment, the portability can be improved by configuring in the form of a tape. That is, it is configured in the form of a cylindrical tape can be configured to detach the adhesive layer (10 ') as needed, and then cut to a suitable size by the user to attach the adhesive layer (10') to the object. . In this case, the other surface of the sheet 10, that is, the surface on which the fire prevention layer 20 is not attached may be configured so that a separate adhesive is not attached.

On the other hand, the component of such a fire prevention layer 20 is demonstrated.

Fire protection layer 20, fire protection beads, binders, thickeners, softeners, may be configured to include a natural dye.

Since the components of the fire protection beads have been described above, description thereof will be omitted. Fire disaster prevention beads may be included 40 to 60% by weight relative to the fire prevention layer 20. When included in less than 40% by weight, the fire efficiency is reduced, when included in more than 60% by weight, the adhesive force to the sheet 10 paper falls and there is a problem that the crack or chipping is issued.

The binder is 30 to 50% by weight, more specifically, the ceramic powder is 3 to 7% by weight, the copolymer is to be included 23 to 47% by weight. As described above, the ceramic powder plays a role of uniform distribution per area of the capsule raw material when coating the area, while the copolymer functions as a binding function, thereby increasing the connection bonding force between the coating raw materials through blending with each other to smooth the warpage. To improve the deflection by forming an air layer. It is a function to reduce cracking.

The thickener is 0.5 to 3% by weight, the softener is 0.5 to 3% by weight, the thickener may include at least one of hydrocyclophoryl mesyl- cellulose / mesyl cellulose and solidium alginate, geolite The softener may include at least one of carbanite, mineral oil, vegetable oil, and the softener functions to increase processability. In addition, the softening agent functions to alleviate the surface surfactant effect and surface roughness and to prevent bubble phenomenon during curing. Vegetable oils can be used in place of these thickeners and emollients. Jojoba oil, olive oil, soybean oil and the like can be used as a vegetable oil, and serves to prevent the surface surfactant effect and bubbles during curing.

A small amount of natural dye may also be added to give the color of the fire fighting sheet.

5 is an image for explaining an example in which the fire fighting sheet is an embodiment of the present invention in a variety of colors. As illustrated in FIG. 5, the fire fighting sheet according to the present invention may be manufactured in various colors.

Figure 6 is an image showing that the fire fighting sheet which is an embodiment of the present invention has sufficient ductility. As described above, the fire extinguishing sheet according to the embodiment of the present invention is very excellent in ductility, and can be adhered to the cylindrical structure as it is, as well as being adhered as it is, without breaking or breaking the fire protection layer 20 even at an angle such as an edge. It can be attached as it is.

7 is a view showing an example in which the fire fighting sheet is an embodiment of the present invention attached to the angled position and the column position. As shown, the fire fighting sheet according to an embodiment of the present invention is excellent in ductility and can be attached to the inner surface or the outer surface of the corner of the square pillar (O) that is the attachment object, respectively (Fig. 7 (a)), When the attachment object is a column structure (O), when the inside or outside of the column structure (O) is attached round to the inside of the fire protection layer 20, if the fire occurs inside the column structure extinguish It becomes possible, if the fire prevention layer 20 is facing outward it is possible to extinguish the fire generated from the outside of the pillar structure (O).

8 is a view showing a practical example in which the fire fighting seat is an embodiment of the invention in large size. According to the fire protection material according to the present invention is excellent in ductility during the manufacturing process it is possible to manufacture a fire sheet for a large size of 250mm * 250mm or more.

Hereinafter, a method of manufacturing a fire fighting sheet which is an embodiment of the present invention having the above-described configuration and effects will be described with reference to FIGS. 9 and 10.

9 is a flow chart for explaining a first embodiment of a fire fighting sheet and a method of manufacturing the same according to another embodiment of the present invention. First, the sheet 10 is prepared (S11). Next, a material which becomes a raw material of the fire prevention layer 20, such as fire prevention beads, a binder including a ceramic powder and a copolymer, a softener and a thickener, an oil and a natural dye, is prepared (S12). And these fire fighting disaster prevention raw materials are mixed in a stirrer to produce the fire prevention disaster prevention raw material (S13).

On the other hand, while transporting the sheet 10 prepared in step S11 through the roller, by spraying the fire-fighting disaster prevention raw material through the injection device to form a fire-fighting disaster prevention layer 20 by coating the fire-fighting disaster prevention raw material on the sheet (10). (S14). In this way, by coating the fire-fighting disaster prevention raw material, the sheet 10 formed of the fire-fighting disaster prevention layer 20 is blown and dried to form an original fire-fighting sheet (S15). Next, the fire fighting sheet is cut through an automatic cutting cutter to complete the fire fighting sheet (S16). It will be appreciated that further coating of the adhesive layer 10 'may be added prior to fabricating the third embodiment. Such a first embodiment is a method of manufacturing the first embodiment and the third embodiment of the fire-fighting sheet which is one embodiment of the present invention described in FIGS. 1 and 3.

Meanwhile, the method of manufacturing the second embodiment of FIG. 2 follows the procedure according to FIG. 10.

10 is a flow chart for explaining a second embodiment of a fire fighting sheet and a method of manufacturing the same according to another embodiment of the present invention. First, a mold having a groove having a matrix form corresponding to the protrusion is prepared (S21). Then, the fire-prevention raw material is added to the die and cured and dried (S22, S23). A fire fighting disaster prevention layer 20 is manufactured by separating the dried fire prevention disaster prevention raw material from the mold, and attaching a double-sided adhesive tape to one surface of the fire protection disaster prevention layer 20 to complete a fire protection sheet having a sheet 10 ( S24).

On the other hand, also in the method according to the first embodiment, it is possible to produce a fire-fighting sheet having a projection in the form of a matrix. That is, in the first embodiment, after attaching a plurality of shape films on the sheet paper, and then coating the fire-fighting disaster prevention raw material, the production of the fire-fighting sheet having a plurality of protrusions on the sheet by the plurality of shape films may be completed. It should be understood.

The fire extinguishing sheet having excellent ductility as described above and having a self-extinguishing function and a method of manufacturing the same are not limited to the configuration and operation of the embodiments described above. The above embodiments may be configured such that various modifications may be made by selectively combining all or part of the embodiments.

Claims

Sheet; And

It includes a fire prevention layer having a self-extinguishing function attached to one surface of the sheet,

The fire prevention layer,

Fire protection beads consisting of a polymer microcapsule containing a fire protection component; And

Fire-fighting sheet type tape having excellent ductility and self-extinguishing function, including a binder including a ceramic powder and a copolymer to form an air layer to prevent cracking even when the sheet is bent while the fire prevention beads are attached to the sheet. .
The method of claim 1,

A fire fighting sheet further comprising an adhesive layer formed on one surface of the fire fighting disaster prevention side, having excellent ductility and self-extinguishing function.
The method of claim 1,

The fire prevention layer,

Further comprising a natural dye to give the color of the fire prevention layer, excellent ductility and fire extinguishing sheet having a self-extinguishing function.
The method of claim 1,

The fire prevention layer,

A fire extinguishing sheet having excellent ductility and self-extinguishing function, further comprising an oil for preventing surface surfactant effects and bubbles during curing.
The method of claim 1,

A fire extinguishing sheet having excellent softness and self-extinguishing function, further comprising a softener and a thickener for enhancing antistatic and flexibility of fire protection beads.
The method of claim 5,

The thickening agent, hydrocyclophoric mesyl- cellulose / mesyl cellulose and solidum alginate, at least one of the zeolite, excellent ductility and fire extinguishing sheet having a self-extinguishing function.
The method of claim 5, wherein

The softening agent, carbanite, mineral oil, vegetable oil, containing at least one, excellent in ductility and fire extinguishing sheet having a self-extinguishing function.
The method of claim 1,

The fire protection disaster bead is included 40 to 60% by weight, the binder is contained 30 to 50% by weight, excellent ductility and fire extinguishing sheet having a self-extinguishing function.
The method of claim 8

The ceramic powder is 3 to 7% by weight, the copolymer is included 23 to 47% by weight, excellent ductility and fire fighting sheet having a self-extinguishing function.
The method of claim 5, wherein

The thickener is 0.5 to 3% by weight, the softener is contained 0.5 to 3% by weight, excellent ductility and fire fighting sheet having a self-extinguishing function.
The method of claim 2,

The dye is contained 0.5 to 2.0% by weight, excellent ductility and fire fighting sheet having a self-extinguishing function.
The method of claim 1,

The fire prevention layer,

A first disaster prevention layer in contact with the sheet; And

A fire protection sheet having excellent ductility and having a self-extinguishing function, including a second disaster prevention layer having a plurality of protrusions protruding in a matrix form on the first disaster prevention layer.
The method of claim 11,

The protruding portion is any one of a disc, a cylinder, and a square plate, excellent ductility and fire extinguishing sheet having a self-extinguishing function.
The method of claim 1,

The firefighting component,

Perfluoropropane, perfluorobutane, chlorotetrafluoroethane, pentafluoroethane, heptafluoropropane, trifluoromethane, hexafluoropropane, trifluoroiodide, hydrochlorofluorocarbon admixtures and incombustibles Fire extinguishing sheet having one or more substances selected from the group consisting of gas mixture gas, having excellent ductility and self-extinguishing function.
Preparing a sheet;

Preparing fire protection beads, a binder comprising a ceramic powder and a copolymer, a softener, and a thickener:

Producing fire-fighting disaster prevention raw materials by supplying and stirring the fire-fighting disaster prevention beads, the binder, the softener and the thickener into an automatic stirrer;

Coating the fire prevention material on the sheet by spraying the fire prevention material through a spraying device while transferring the sheet through a roller;

Ventilating and drying the sheet coated with the fire prevention raw material to prepare an aid fire fighting sheet; And

And cutting the aid fire fighting sheet through an automatic cutting cutter to complete the fire fighting sheet.
The method of claim 15,

The firefighting disaster prevention raw material,

40 to 60% by weight of the fire protection beads, the binder is 30 to 50% by weight, vegetable oil containing 3 to 7% by weight, fire fighting sheet manufacturing method.
A fire fighting sheet manufacturing method having a projection in the form of a matrix,

Preparing a formwork having a groove having a matrix shape corresponding to the protrusion;

Curing and drying the fire prevention raw material into the formwork;

Preparing a fire protection layer by separating the dried fire prevention material from the formwork; And

Comprising the step of attaching a double-sided adhesive tape on one surface of the fire protection disaster prevention layer comprising the step of completing a fire fighting sheet having a sheet, fire fighting sheet manufacturing method.