KR20170037417A - reinforcing composition for fire-extinguishing , manufacturing method - Google Patents

reinforcing composition for fire-extinguishing , manufacturing method Download PDF

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Publication number
KR20170037417A
KR20170037417A KR1020150137011A KR20150137011A KR20170037417A KR 20170037417 A KR20170037417 A KR 20170037417A KR 1020150137011 A KR1020150137011 A KR 1020150137011A KR 20150137011 A KR20150137011 A KR 20150137011A KR 20170037417 A KR20170037417 A KR 20170037417A
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South Korea
Prior art keywords
fire
weight
extinguishing agent
potassium
surfactant
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KR1020150137011A
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Korean (ko)
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강윤범
강건웅
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주식회사 푸르네존
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Priority to KR1020150137011A priority Critical patent/KR20170037417A/en
Publication of KR20170037417A publication Critical patent/KR20170037417A/en

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0007—Solid extinguishing substances
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0028—Liquid extinguishing substances
    • A62D1/0035—Aqueous solutions
    • A62D1/0042—"Wet" water, i.e. containing surfactant
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0028—Liquid extinguishing substances
    • A62D1/005—Dispersions; Emulsions

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

Abstract

In the present invention, a digesting component composed of water and an inorganic salt compound, an organic acid for controlling a hydrogen ion concentration, a liquid for controlling a point, and a surfactant for controlling the surface tension of a digestive juice are mixed to produce general digestive and portable digestive devices, (Fire of class A), oil fire (class B fire) and edible oil fire (class K fire), and the thermal reaction of fire extinguishing agent (Saponification reaction and cooling reaction in the case of cooking oil fire) and extinguishes the fire extinguishing ability of the fire extinguishing agent and prevents the secondary damage caused by the extinguishing agent after the fire suppression, And the production method thereof.
The present invention relates to a composition comprising 45.0 to 70.0% by weight of water; Potassium phosphate (KH 2 PO 4), potassium carbonate (K 2 CO 3), the first digestion component 15.0 to 20.0 wt%; Ammonium monophosphate (NH4H2PO4), potassium acetate (CH3COOK), urea (H2NCONH2), sodium bicarbonate (NaHCO3) potassium bicarbonate; (POTASSIUM BICARBONATE KHCO 3), and a second digestion component containing one or more inorganic compounds selected from the group consisting of POTASSIUM BICARBONATE KHCO 3; 1.0 to 5.0% by weight of organic acid; 3.0 to 10.0% by weight of a freezing point depressant; 0.3 to 3.0% by weight of a surfactant; And 0.1 to 1.0% by weight of an antirust agent.

Description

FIELD OF THE INVENTION The present invention relates to a reinforcing composition for fire extinguishing,

In the present invention, by mixing a fire-extinguishing component composed of water and an inorganic salt compound, an organic acid for controlling hydrogen ion concentration, a liquid for controlling a point, and a surfactant for controlling the surface tension of a digestive juice, a general fire extinguisher and a portable fire extinguisher, And the thermal response of the fire extinguishing agent (blocking the oxygen entering the fire source) and fire extinguishment of the fire extinguishing agent (K class fire) in the general fire (Class A fire), oil fire (Class B fire) The present invention relates to an eco-friendly liquid extinguishing agent composition which is extinguished through digestion and saponification reaction when a cooking oil is fired and has excellent corrosion resistance of liquid to prevent secondary damage caused by fire extinguishing agent and its manufacture Method.

Water or powder fire extinguishing agents are commonly used in general fire. In water, freezing point is 0 ℃ and it is difficult to use outdoors in winter. In the case of powder fire extinguishing agent, there is secondary damage due to scattering of fire extinguishing agent after fire suppression , It is necessary to regularly manage when handling and handling, and there is a problem that the powder medicine is hardened and is not radiated when necessary, and the gas system fire extinguishing agent generates poisonous substance when it reacts with the heat of the fire source, There is a weakness.

It is urgent to develop a fire extinguishing agent that is environmentally friendly and has excellent fire extinguishing performance because the current fortified liquid fire extinguishing agent has weak adaptability to the oil fire which is class B and has weak fire extinguishing power even in class A fire.

In developed countries, fire extinguishing agents for class B fires are manufactured and sold with fluorinated surfactant-containing reinforcement liquids. However, legal systems have been established to use only neutral reinforcement fluids. However, fire extinguishing agents Is under development.

In the case of domestic fire extinguishing agent approval and certification standards of the Korea Fire Fighting Industry Technical Institute, strengthening of the strength of liquid fire extinguishing agent Acid and basicity is recognized for the liquid fire extinguishing agent which is developed and marketed in Korea. And fire extinguishing fuels in kitchen automatic fire extinguishers.

The physical properties of the reinforced liquid extinguishing agent of the above-mentioned kitchen automatic fire extinguisher do not affect the digestive power, but the secondary damage is caused by the damage caused by the digestion and the corrosiveness to the specific parts of the existing automatic extinguishing equipment, and even if the digestive power is excellent, There is also a problem in entering the world market, which only recognizes neutrality.

Conventional conventional fire extinguishing agents will be described as follows. U.S. Patent No. 5,651,416 describes a digestion process using an extinguishing agent with acetate, chloride or bromide and a compound of an alkali metal or ammonium, a freezing point depressant, a surfactant and water. Korean Patent No. 10-117936 discloses a method for producing a liquid extinguishing agent which is obtained by dissolving ammonium sulfate in water, adding and dissolving urea, adding sodium tertiary phosphate, and then adding ammonium bicarbonate and sodium carbonate in succession Korean Patent No. 10-259512 discloses a liquid extinguishing agent obtained by dissolving soda ash in water and adding sodium tertiary phosphate to dissolve the ammonium sulphate, And Korean Patent No. 10-112862 discloses a method for producing an aqueous solution containing a first aqueous solution in which ammonium bicarbonate and sodium phosphate are dissolved in water, a second aqueous solution in which urea, ammonium sulfate and sodium carbonate are dissolved in water, Is mixed with a third solution obtained by dissolving the first liquid and the second liquid.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above problems occurring in the prior art, and it is an object of the present invention to provide a general extinguisher and a portable fire extinguisher, which are produced by mixing extinguishing components comprising water and an inorganic salt compound, an organic acid, a freezing point depressant, In addition to general fire, it is possible to exert a strong fire extinguishing function while shutting off the oxygen which is introduced into the fire source when the oil fire is extinguished. In addition, (Extinguishing the oxygen entering the fire source) and the thermal reaction of the fire extinguishing agent (saponification reaction and cooling reaction in the case of cooking oil fire) and excelling in the metal corrosion resistance of the liquid. And a process for producing the same.

Another object of the present invention is to provide a fire extinguishing agent which is harmless to the human body when it is used as a neutral or weakly alkaline substance and that the raw material of the fire extinguishing agent does not adversely affect the soil as a main component of the fertilizer, The present invention provides an extinguishing agent composition for fire extinguishing an environmentally friendly reinforcing liquid which is manufactured so as to prevent secondary damage caused by fire extinguishing agents.

(NH4H2PO4), potassium acetate (CH3COOK) and urea (H2NCONH2) are added to 45.0 to 70.0% by weight of water, potassium phosphate (KH₂PO₄), potassium carbonate (K2CO3) and 15.0-20.0% , Sodium bicarbonate (NaHCO3), potassium bicarbonate; (POTASSIUM BICARBONATE KHCO 3); 1.0 to 5.0% by weight of an organic acid in 10.0 to 15.0% by weight of a second extinguishing component comprising one or more inorganic compounds selected from the group consisting of POTASSIUM BICARBONATE KHCO 3; 3.0 to 10.0% by weight of a freezing point depressant; 0.3 to 3.0% by weight of a surfactant; And 0.1 to 1.0% by weight of an antirust agent.

The method for preparing the enhanced liquid extinguishing agent composition according to the present invention comprises: (a) 45.0 to 70.0% by weight of water; Potassium phosphate (KH2PO4), potassium carbonate (K2CO3) first digestion component 15.0 to 20.0% by weight; Ammonium monophosphate (NH4H2PO4), potassium acetate (CH3COOK), urea (H2NCONH2), sodium bicarbonate (NaHCO3) potassium bicarbonate; (POTASSIUM BICARBONATE KHCO3); (b) 3.0 to 10.0% by weight of a freezing point depressant; 0.2 to 0.5% by weight of an antirust agent; And (c) 0.3 to 3.0% by weight of a surfactant mixture; And 0.1 to 1.0 wt% of a rust preventive agent.

The effect of the present invention shows excellent performance by the cooling effect of water on Class A general fire, and can be effectively used for fire as a role of the smothering effect of the surfactant even in the fire of the B class fire oil. Conventional fire-extinguishing agents are strong alkaline, strong corrosion and can cause corrosion on human body and metal. However, since the developed fire extinguishing agent is neutral and weakly alkaline, it does not harm human body even when it is evolved. It is environmentally friendly.

Potassium Phosphate, which is the first fire extinguishing agent of fire extinguishing agent, and phosphate which constitutes the second fire extinguishing agent have anti-corrosive function as well as other corrosion inhibitor, so they have excellent corrosion property for each material. No secondary damage is caused.

Since the main component of the neutral system-strengthening liquid extinguishing agent according to the present invention is used as a chemical product for food addition, there is stability against the reaction of the human body as compared with the conventional fire extinguishing agent.

The basic physical properties that the fire extinguishing agent has to be equipped with are very good, so it can improve the quality of the fire extinguishing agent and it has superior fire extinguishing performance compared to the existing fire extinguishing agent, .

Embodiments of the present invention will be described in more detail.

According to the present invention, there is provided a fire-extinguishing composition for fire-retardant environment-neutral refractory liquids, which forms a water film in a spraying area when fire is extinguished and blocks external oxygen from entering a fire source, It is chemically neutral and weakly alkaline, harmless to the human body, does not pollute the soil, and is eco-friendly. It has the characteristics that it does not cause secondary damage by fire extinguishing agent, 1 Digestion component, second extinguishing component, organic acid, freezing point depressant, surfactant and rust inhibitor are effectively contained.

In the present invention, potassium phosphate (KH 2 PO 4), which is the first extinguishing component applied to the present invention, is added in an amount of 10.0 to 20.0 wt%.

If the content of potassium phosphate (KH 2 PO 4) as the first extinguishing component is less than 10.0 wt%, the extinguishing performance and flame retarding effect of the extinguishing agent composition are significantly deteriorated. If the content of potassium phosphate exceeds 20.0 wt% This is difficult and there is difficulty in the emission of fire extinguishing agent.

The second extinguishing component applied to the present invention is an inorganic substance that does not burn even when it comes into contact with a real flame or a fire source but functions to extinguish the flame or fire source and to function as flame retardant. At least one inorganic compound selected from the group consisting of potassium acetate (CH3COOK), urea (H2NCONH2), ammonium monophosphate (NH4H2PO4), dibasic ammonium phosphate ((NH4) 2HPO4), and sodium tertiary phosphate (Na3PO4) Is used.

If the content of the second extinguishing component is less than 10.0% by weight, the extinguishing performance and flame retarding effect of the extinguishing composition are significantly lowered, and if the content of the second extinguishing component is less than 15.0% by weight There is a problem that a precipitate is generated in the final extinguishing agent composition.

The organic acid used in the present invention acts to neutralize the alkaline extinguishing agent composition by controlling and neutralizing the pH of the extinguishing agent composition. The organic acid is selected from the group consisting of citric acid (C6H8O7), malonic acid (C3H4O4 At least one selected from the group consisting of maleic acid (HO2CCH = CHCO2H), gluconic acid (C6H12O7), and tannic acid (C14H10O9).

The organic acid according to the present invention is preferably added in an amount of from 2.0 to 5.0% by weight. If the content of the organic acid is less than 2.0% by weight or exceeds 5.0%, the pH of the final extinguishing agent composition may not reach neutrality .

In the present invention, the freezing point depressant lowers the freezing point of the extinguishing agent composition so that the extinguishing agent contained in the extinguishing container can not easily freeze even when the outside temperature is low, such as during the winter season. Glycol is applied, Glycol (HOCH2CH2OH) is mainly used.

If the freezing point depressant is added in an amount of less than 2.7% by weight, the freezing point of the extinguishing agent composition can not be lowered properly. If the freezing point depressant is added in an amount exceeding 7.0% by weight, the digestion power is weakened.

The surfactant to be used in the present invention may be at least one selected from the group consisting of a cationic surfactant, an anionic surfactant and a nonionic surfactant as a water-soluble surfactant. More specifically, ethylene oxide, One or two or more surfactants selected from the group consisting of lauryl betaine and perfluoro alkylbetaine may be added.

Among the above surfactants, ethylene oxide acts as a surfactant and emulsifier, and lauryl betaine acts as a foam enhancer in addition to the function of an emulsifier and a surfactant.

The surfactant lowers the surface tension of the extinguishing agent composition to at least 33 dyne / cm or less so that the extinguishing agent composition easily penetrates into the deep part of the burning material such as deep fire, thereby effectively extinguishing the deep fire.

In the present invention, the surfactant is contained in an amount of 0.3 to 3.0% by weight. If the content of the surfactant is less than 0.3% by weight, the surface tension suggested by the reference can not be met. If the content exceeds 3.0% by weight, There is a problem that floating matters are generated.

In the present invention, in order to prevent the fire extinguishing container filled with the fire extinguishing agent composition from rusting and to prevent the fire extinguishing agent from being rusted when the fire extinguishing agent composition is applied to surrounding machines and equipment, .

The rust inhibitors include sodium molybdate (Na2MoO42O) and iron (Fe) to prevent corrosion. Benzotriazole (C6H5N3), which prevents corrosion of copper (Cu), and conventional rust inhibitors that prevent corrosion of aluminum (Al) may be used alone or in combination of two or more. Is less than 0.2 wt%, the anticorrosive function can not be exhibited properly. If the content of the anticorrosive agent exceeds 0.5 wt%, it is economically disadvantageous.

The water used in the present invention is added in an amount of 45.0 to 70.0% by weight. Water, which is a basic substance of the extinguishing agent, functions as a medium for dissolving the extinguishing ingredients, and the vaporization heat of water (540 cal / g) And it can function as a fire extinguishing agent. It can use refined water or general tap water. When ground water is used, it should be used after measuring the degree of water contamination.

The thus prepared eco-friendly neutral system reinforced liquid extinguishing agent composition according to the present invention is prepared as follows.

The present invention relates to a water-soluble polymer composition comprising 45.0 to 70.0% by weight of water, potassium phosphate (KH₂PO₄), potassium carbonate (K2CO3), 15.0 to 20.0% Ammonium monophosphate (NH4H2PO4), potassium acetate (CH3COOK), urea (H2NCONH2), sodium bicarbonate (NaHCO3) potassium bicarbonate; (POTASSIUM BICARBONATE KHCO 3); and a second digestion component comprising one or more inorganic compounds selected from the group consisting of POTASSIUM BICARBONATE KHCO 3 and 10.0 to 15.0 wt. 1.0 to 5.0% by weight of organic acid; 3.0 to 10.0% by weight of a freezing point depressant; 0.3 to 3.0% by weight of a surfactant; And 0.1 to 1.0% by weight of an antirust agent.

First, a mixture of potassium phosphate potassium carbonate (K2CO3), 13.0-20.0 wt.%, Potassium acetate, urea, ammonium phosphate monobasic, ammonium dibasic and sodium tertiary phosphate And 1.0 to 5.0% by weight of organic acid are added and dissolved successively, followed by addition of 3.0 to 10.0% by weight of a freezing point depressant and the addition of 1.0 to 5.0% 0.3 to 3.0% by weight of an activator and 0.1 to 1.0% by weight of a rust preventive are added and dissolved.

The thus obtained mixed solution was stabilized at room temperature for more than 24 hours and then stabilized. The extinguishing agent which was filtered with a filter of 1 쨉 m or less was suitable for fire extinguishing performance and flame retardancy A reinforced liquid extinguishing agent having excellent effect and being environmentally friendly is produced.

In the initial process of dissolving the organic acid, bubbles are generated by the neutralization reaction of the extinguishing agent. However, since the extinguishing agent does not generate bubbles or bubbles after the organic acid is completely dissolved, there is no problem in filling the extinguisher.

The neutral fire extinguishing agent manufactured according to the present invention can be used as general fire extinguishers, portable fire extinguishers, fire extinguishing agents and fire extinguishing agents, and can be used for general fire (A class fire), oil fire (B class fire) and cooking oil fire (Fire-fighting fire), fire extinguishing method (shutting off the oxygen entering the fire source) and fire extinguishing agent (saponification reaction and cooling reaction in case of cooking oil fire) Friendly neutral and weak alkaline fortified liquid extinguishing agent composition which is manufactured so as to prevent secondary damage caused by fire extinguishing agent after quenching.

Potassium phosphate which is the first extinguishing component and ammonium phosphate which constitutes the second extinguishing component both have an anticorrosive function and contain a rust preventive agent so that they have excellent corrosion properties for each material and are extinguished by an artificial action It can be used in portable fire extinguishers.

The reinforced liquid extinguishing agent according to the present invention is prepared by adding the constituents of the medicines to foods having high purity, and the quality of the product is very good, and the basic physical properties to be provided by the reinforced liquid extinguishing agent are excellent, Can be improved, and the digestion performance is excellent as compared with the foreign acid pharmaceuticals, so that it is possible to provide a world-class competitiveness.

Example 1. Preparation and physical property measurement of the reinforced liquid extinguishing agent according to the present invention

150 g of potassium phosphate (KH₂PO4) and 10 g of potassium carbonate as the first extinguishing component, 25 g of potassium acetate as the second extinguishing component, 24 g of urea, 25 g of ammonium phosphate monobasic, 15 g of dibasic ammonium phosphate, 10 g of ammonium tertiary phosphate, And 25 g of citric acid was added to the solution. To this solution, 45 g of ethylene glycol as a freezing point depressant, 0.2 g of ethylene oxide as a surfactant, 2 g of lauryl betaine, 4 g of perfluoroalkyl betaine and 5 g of rust inhibitor were added, To prepare a liquid agent.

Example 2

180 g of potassium phosphate (KH₂PO₄), 12 g of potassium carbonate, 25 g of potassium acetate as a second extinguishing component, 24 g of urea, 25 g of ammonium phosphate monobasic and 23 g of citric acid as organic acids were dissolved in 600 g of water and dissolved therein, 45 g of ethylene glycol as a freezing point depressant, 0.2 g of ethylene oxide as a surfactant, 2 g of lauryl betaine, 4 g of perfluoroalkyl betaine and 5 g of a rust inhibitor were added to prepare an environmentally enhanced liquid extinguishing agent.

Example 3

200 g of potassium phosphate (KH₂PO₄) and 12 g of potassium carbonate as a first digestion component, 25 g of potassium phosphate as a second digesting component, 24 g of urea, 25 g of ammonium phosphate monobasic and 20 g of citric acid as an organic acid were dissolved and dissolved in 600 g of water, 45 g of ethylene glycol as a freezing point depressant, 0.2 g of ethylene oxide as a surfactant, 2 g of lauryl betaine, 4 g of perfluoroalkyl betaine and 5 g of a rust inhibitor were added to prepare an environmentally enhanced liquid extinguishing agent.

In order to evaluate the physical properties of the fortified liquid extinguishing agent of the present invention manufactured through the above examples, the following measurements were made in accordance with the type approval and test standards of the fire extinguishing agent of the Korea Fire &

(1) When the fire extinguisher is operated under normal conditions, the radiant strengthening liquid shall be flame retardant and its freezing point shall be not higher than -20 ℃. At this time, the solidification point was measured by injecting 10 ml of a sample taken in a test tube having an inner diameter of 18 mm, and then putting a thermometer into the tube, cooling the sample in a hot bath, When the solution became transparent, the temperature was read and repeated three times, and the average value of the results of the test was taken as a solidifying point.

(2) The surface tension of the reinforced liquid extinguishing agent is measured after the liquid temperature is adjusted to 20 ° C by using a DUNUQUE surface tension tester in the test method of cutting fluid, and the surface tension at this time is set to 33 dyne / cm or less.

(3) The specific gravity was measured at 20 ° C using a specific gravity sludge system or a syringe, which is a method of measuring the specific gravity of a chemical product.

(4) The hydrogen ion concentration was measured by measuring the pH of the aqueous solution and the liquid temperature was measured at 20 ° C.

(5) In the amount of sedimentation, the sedimentation rate of the fire extinguishing agent was measured at 20 캜 without adding precipitating naphtha according to the test method. At this time, when the temperature of the reinforced liquid extinguishing agent is measured at 20 캜, it should be not more than 0.1% by volume.

- Physical properties and other physical properties (appearance, toxicity, odor, etc.) measured by the reinforced liquid extinguishing agent of the present invention (Examples of the present invention) prepared by the examples and the above-mentioned physical property measuring method are shown in Table 1 .

Item Invention Example 1 Invention Example 1 Invention Example 1 Appearance and Appearance transparent transparent transparent Settled amount (20 캜) none none none Hydrogen ion concentration (20 캜) 7.3 8.5 9.0 Specific gravity (20 ℃) 1.12 1.22 1.24 Surface tension (20 ° C) 20.0 21.0 22.0 Which point -23 -24 -25 metal
corrosion
exam Brass (KS D C3771) 0.1 mg / day or less 0.1 mg / day or less 0.1 mg / day or less Iron (KS D 3706) 0.1 mg / day or less 0.1 mg / day or less 0.1 mg / day or less Aluminum (KS D 6006) 0.1 mg / day or less 0.1 mg / day or less 0.1 mg / day or less Stainless steel (STS 304) 0.01 mg / day or less 0.01 mg / day or less 0.01 mg / day or less

- An aerosol fire extinguisher filled with 340 ml of the reinforced liquid fire extinguishing agent of the present invention (Example of the present invention) manufactured according to the embodiment was subjected to the aerosol fire extinguishing equipment type approval, Respectively. The results of the digestion test are shown in Table 2.

Item Invention Example 1 Invention Example 2 Inventive Example 3 Aerosol type
Fire extinguisher
Trash fire Good Good Good Edible oil fire Good Good Good Oil stove fire Good Good Good Curtain fire Good Good Good Cushion fire Good Good Good

- Hand-operated fire extinguisher filled with 3.0 L of the reinforced liquid fire extinguishing agent of the present invention (Example of the present invention) manufactured according to the embodiment was subjected to fire extinguishing test in accordance with the type approval and test standards of the manual fire extinguisher, The results are shown in Table 3.

Item Invention Example 1 Invention Example 2 Inventive Example 3 Manual fire extinguisher A class 1 unit  Good  Good  Good B class 3 units  Good  Good  Good K class  Good  Good  Good

Claims (4)

45.0 to 70.0% by weight of water; Potassium phosphate (KH2PO4), potassium carbonate (K2CO3), first digestion component 15.0-20.0 wt%; Ammonium monophosphate (NH4H2PO4), potassium acetate (CH3COOK), urea (H2NCONH2), sodium bicarbonate (NaHCO3) potassium bicarbonate; (POTASSIUM BICARBONATE KHCO 3); and a second digestion component comprising one or more inorganic compounds selected from the group consisting of POTASSIUM BICARBONATE KHCO 3 and 10.0 to 15.0 wt. 1.0 to 5.0% by weight of organic acid; 3.0 to 10.0% by weight of a freezing point depressant; 0.3 to 3.0% by weight of a surfactant; And 0.1 to 1.0 wt% of a rust preventive agent. 2. The composition of claim 1,
Wherein the surfactant is at least one selected from the group consisting of ethylene oxide (EO), lauryl betaine, and perfluoroalkyl betaine. Pharmaceutical composition.
The fluorosurfactant composition was used to increase surface tension and adhesion to fire extinguishants, and a fluoroargyl polyethoxylate nonionic composition was used. The method according to claim 1,
The freezing point depressant used was ethylene glycol or glycerin for the anti-icing agent. The method of claim 1, wherein
The pH adjuster was adjusted to a pH range of 7.0 to 9.0 using at least one of the group consisting of citric acid, tartaric acid, gluconic acid, malic acid, lactic acid, acetic acid, and nucleic acid.
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KR20190034840A (en) 2017-09-25 2019-04-03 황상택 Fire-fighting apparatus
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WO2020084277A1 (en) * 2018-10-22 2020-04-30 Firexo Group Limited Fire extinguishing composition
KR102161400B1 (en) * 2020-03-31 2021-03-23 (주)에스엠티 fire-extinguishing agents containing low-fluorinated surfactants and their preparing methods
KR20210074474A (en) * 2019-12-12 2021-06-22 주식회사 이안에스씨에스 Liquid typed extinguishing composition for fire extinguisher having performance of inhibiting poisonous gases
US11602658B2 (en) 2020-12-15 2023-03-14 Frs Group, Llc Long-term fire retardant with magnesium sulfate and corrosion inhibitors and methods for making and using same
US11819723B2 (en) 2019-06-07 2023-11-21 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
EP4119200A4 (en) * 2020-03-13 2024-05-01 Yamato Protec Corp Fire extinguishing and fire spread preventing agent composition and fire extinguishing and fire spread preventing agent including the same
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