KR102420758B1 - Ant fire paint composition for suppressing fire - Google Patents

Ant fire paint composition for suppressing fire Download PDF

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KR102420758B1
KR102420758B1 KR1020210068145A KR20210068145A KR102420758B1 KR 102420758 B1 KR102420758 B1 KR 102420758B1 KR 1020210068145 A KR1020210068145 A KR 1020210068145A KR 20210068145 A KR20210068145 A KR 20210068145A KR 102420758 B1 KR102420758 B1 KR 102420758B1
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fire
flame
flame retardant
silicone rubber
retardant paint
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KR1020210068145A
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Korean (ko)
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임석대
김남기
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임석대
김남기
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C09D5/185—Intumescent paints
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/005—Additives being defined by their particle size in general

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
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Abstract

The present invention relates to a flame retardant paint for suppressing fire. If the flame retardant paint for suppressing fire is applied to the inner surface of a battery box or the outer surfaces of battery cells applied to a battery module of an electric vehicle, when a fire occurs in any one battery cell due to an external shock or overcharging, the flame retardant paint for suppressing fire swells due to high temperature heat and flame, a graphite interlayer compound of expanded graphite is rapidly decomposed to generate a large amount of carbon, and the carbon is combined with surrounding oxygen to induce oxygen deficiency and at the same time, fire is suppressed by applying pressure to the flame as much as expanded and the spread of the flame is blocked.

Description

화재 진압용 방염 도료{ANT FIRE PAINT COMPOSITION FOR SUPPRESSING FIRE}Flame-retardant paint for fire suppression {ANT FIRE PAINT COMPOSITION FOR SUPPRESSING FIRE}

본 발명은 화재 진압용 방염 도료에 관한 것으로, 더욱 상세하게는 피도물에 화재가 발생될 경우 고온의 열기 및 화염에 의해 부풀어 오르면서 팽창흑연의 흑연층간화합물이 빠르게 분해되어 많은 양의 탄소를 발생시켜 주변의 산소와 결합되면서 산소결핍을 유도함과 동시에 팽창된 만큼 화염에 압력을 주어 화재를 진압하고 화염전이를 차단할 수 있도록 한 화재 진압용 방염 도료에 관한 것이다.The present invention relates to a flame retardant paint for fire suppression, and more particularly, when a fire occurs on an object to be coated, the graphite interlayer compound of the expanded graphite is rapidly decomposed to generate a large amount of carbon as it swells by high temperature heat and flame. It relates to a flame retardant paint for fire suppression that induces oxygen deficiency while combining with surrounding oxygen and at the same time applies pressure to the flame as much as it expands to suppress the fire and block the spread of flame.

최근 개발되고 있는 전기자동차는 충방전 가능한 배터리를 내장하는데, 이러한 배터리는 액상 배터리로 이루어져 과부하, 과충전 또는 충격에 의해 화재를 발생시켜 차량을 전소시키는 문제를 안고 있다.Electric vehicles that have been recently developed have built-in rechargeable and dischargeable batteries, and these batteries are liquid batteries and have a problem of causing a fire due to overload, overcharging, or impact to burn down the vehicle.

도 1은 전기자동차에 적용된 배터리모듈을 나타내는 예시도이다.1 is an exemplary view showing a battery module applied to an electric vehicle.

도 1에 도시된 바와 같이 전기자동차에 적용된 배터리모듈(10)은 배터리박스(12) 속에 배터리셀(11)들을 각각 수납시켜 안전하게 보호될 수 있도록 한다.As shown in FIG. 1 , the battery module 10 applied to the electric vehicle accommodates each of the battery cells 11 in the battery box 12 to be safely protected.

그런데, 배터리셀(11)들 중 어느 하나에 화재가 발생될 경우 부풀어 오르면서 화염 및 화열을 이웃 배터리셀(11)들에 전이시켜 전체 배터리모듈(10)로 화재를 확산시킴과 동시에 차량까지 전소시키는 문제를 야기시키는데, 이러한 경우를 대비하여 어느 하나의 배터리셀(11)에 화재가 발생될 경우 더 이상 확산되지 않도록 방염시킬 수 있는 대안이 요구되고 있다.However, when a fire occurs in any one of the battery cells 11, it swells and transfers the flame and fire heat to the neighboring battery cells 11 to spread the fire to the entire battery module 10 and at the same time burn up the vehicle. In case a fire occurs in any one of the battery cells 11 in preparation for such a case, an alternative capable of preventing further spread is required.

본원 출원인이 발명자로 제안한 선행기술문헌 1(대한민국 등록특허공보 제0996720호)에 따른 불연성 도막 형성용 조성물은 (a) 수용성 또는 수분산성 아크릴계 수지 및 수용성 또는 수분산성 비닐계 수지에서 선택된 적어도 1종의 바인더 수지 50.4∼64.8중량％; (b) 물 19.6∼25.2중량％; (c) 팽창성 흑연 6∼26중량％; 및The composition for forming a non-combustible coating film according to Prior Art Document 1 (Korean Patent Publication No. 0996720) proposed by the applicant of the present application as an inventor is (a) at least one selected from a water-soluble or water-dispersible acrylic resin and a water-soluble or water-dispersible vinyl-based resin 50.4 to 64.8 wt% of binder resin; (b) 19.6 to 25.2% by weight of water; (c) 6 to 26% by weight of expandable graphite; and

(d) 백등유 2∼4 중량%를 포함하는 것을 제안하여, 피도물 표면에 치밀한 수지-팽창성 흑연 복합체 불연성 도막을 형성할 수 있으면서도 건조속도, 장기 보관성, 내수성 및 기계적 강도를 향상시킬 수 있도록 한 발명이다.(d) It is proposed to contain 2 to 4% by weight of white kerosene, so that a dense resin-expandable graphite composite non-combustible coating film can be formed on the surface of the object, and the drying speed, long-term storage, water resistance and mechanical strength can be improved. to be.

본원 출원인이 제안한 선행기술문헌 2(대한민국 공개특허공보 제2016-0050402호)에 따른 이산화규소를 포함하는 불연성조성물은 (a) 수용성 또는 수분산성 아크릴계 수지 및 수용성 또는 수분산성 비닐계 수지에서 선택된 적어도 1종의 바인더 수지 50.4∼64.8중량％; (b) 물 19.6∼25.2중량％; (c) 팽창성 접속반 6∼26중량％ 및 (d) 백등유 2∼4 중량％를 포함하는 불연성 베이스 조성물; 및 불연성 베이스조성물 중량의 10∼45중량％의 SiO2를 추가적으로 포함하는 것을 제안하여, 팽창성 흑연의 작용에 의하여 우수한 불연성을 가질 수 있도록 한 발명이다.The non-combustible composition containing silicon dioxide according to the prior art document 2 (Korean Patent Publication No. 2016-0050402) proposed by the applicant of the present application is (a) at least one selected from a water-soluble or water-dispersible acrylic resin and a water-soluble or water-dispersible vinyl-based resin 50.4 to 64.8% by weight of the binder resin of the species; (b) 19.6 to 25.2% by weight of water; (c) a non-combustible base composition comprising 6 to 26% by weight of an intumescent junction panel and (d) 2 to 4% by weight of white kerosene; and 10 to 45% by weight of SiO2 based on the weight of the non-combustible base composition.

대한민국 등록특허공보 제0996720호Republic of Korea Patent Publication No. 0996720 대한민국 공개특허공보 제2016-0050402호Republic of Korea Patent Publication No. 2016-0050402

본 발명의 목적은 피도물에 화재가 발생될 경우 고온의 열기 및 화염에 의해 부풀어 오르면서 팽창흑연의 흑연층간화합물이 빠르게 분해되어 많은 양의 탄소를 발생시켜 주변의 산소와 결합되면서 산소결핍을 유도함과 동시에 팽창된 만큼 화염에 압력을 주어 화재를 진압하고 화염전이를 차단할 수 있도록 한 화재 진압용 방염 도료를 제공함에 있다.An object of the present invention is to induce oxygen deficiency while inducing oxygen deficiency while generating a large amount of carbon by rapidly decomposing the graphite intercalation compound of expanded graphite as it swells by high temperature heat and flame when a fire occurs on the object to be coated. At the same time, it is to provide a flame retardant paint for fire suppression that can suppress the fire by applying pressure to the flame as much as it expands and block the flame transition.

본 발명에 따른 화재 진압용 방염 도료는 팽창흑연(Expandable Graphite) 20∼25wt％, 암모늄 폴리 포스테이트(Ammonium PolyPhosphate) 2∼10wt％, 펜타에리트리톨(Pentaerythritol) 5∼15wt％, 실리콘수지(Silicone Resin) 3∼10wt％, 멜라민수지(Melamine Resin) 5∼15wt％, 실리콘고무 A(Silicone Rubber A) 15∼25wt％, 실리콘고무 B(Silicone Rubber B) 15∼25wt％, 자일렌(Xylene) 15∼25wt％를 포함하는 것을 그 기술적 구성상의 기본 특징으로 한다.The flame retardant paint for fire suppression according to the present invention is 20 to 25 wt% of Expandable Graphite, 2 to 10 wt% of Ammonium PolyPhosphate, 5 to 15 wt% of Pentaerythritol, and Silicone Resin ) 3~10wt%, Melamine Resin 5~15wt%, Silicone Rubber A 15~25wt%, Silicone Rubber B 15~25wt%, Xylene 15~ Containing 25 wt% is a basic characteristic of its technical configuration.

본 발명은 피도물에 화재가 발생될 경우 고온의 열기 및 화염에 의해 부풀어 오르면서 팽창흑연의 흑연층간화합물이 빠르게 분해되어 많은 양의 탄소를 발생시켜 주변의 산소와 결합되면서 산소결핍을 유도함과 동시에 팽창된 만큼 화염에 압력을 주어 화재를 진압하고 화염전이를 차단할 수 있는 효과가 있다.In the present invention, when a fire occurs on an object to be coated, as it swells by high temperature heat and flame, the graphite interlayer compound of expanded graphite is rapidly decomposed to generate a large amount of carbon, which is combined with surrounding oxygen to induce oxygen deficiency and expand at the same time. By applying pressure to the flame as much as possible, it has the effect of extinguishing the fire and preventing the flame from spreading.

도 1은 전기자동차에 적용된 배터리모듈을 나타내는 예시도.
도 2는 본 발명에 따른 화재 진압용 방염 도료가 적용된 배터리모듈을 내장한 전기자동차를 나타내는 예시도.
도 3은 본 발명에 따른 화재 진압용 방염 도료를 실험한 모습을 나타내는 사진.1 is an exemplary view showing a battery module applied to an electric vehicle.
2 is an exemplary view showing an electric vehicle incorporating a battery module to which a flame retardant paint for fire suppression according to the present invention is applied.
3 is a photograph showing a state in which a flame retardant paint for fire suppression according to the present invention was tested.

본 발명에 따른 화재 진압용 방염 도료의 바람직한 실시예를 도면을 참조하면서 설명하기로 하고, 그 실시예로는 다수 개가 존재할 수 있으며, 이러한 실시예를 통하여 본 발명의 목적, 특징 및 이점들을 더욱 잘 이해할 수 있게 된다.A preferred embodiment of the flame retardant paint for fire suppression according to the present invention will be described with reference to the drawings. be able to understand

본 발명에 따른 화재 진압용 방염 도료는 팽창흑연(Expandable Graphite) 20∼25wt％, 암모늄 폴리 포스테이트(Ammonium PolyPhosphate) 2∼10wt％, 펜타에리트리톨(Pentaerythritol) 5∼15wt％, 실리콘수지(Silicone Resin) 3∼10wt％, 멜라민수지(Melamine Resin) 5∼15wt％, 실리콘고무 A(Silicone Rubber A) 15∼25wt％, 실리콘고무 B(Silicone Rubber B) 15∼25wt％를 포함한다.The flame retardant paint for fire suppression according to the present invention is 20 to 25 wt% of Expandable Graphite, 2 to 10 wt% of Ammonium PolyPhosphate, 5 to 15 wt% of Pentaerythritol, and Silicone Resin ) 3~10wt%, Melamine Resin 5~15wt%, Silicone Rubber A 15~25wt%, Silicone Rubber B 15~25wt%.

팽창흑연(Expandable Graphite)은 산, 알칼리 및 염 등의 화학물질을 천연 인상흑연에 혼합시키면서 탄소원자를 결합시켜 제조된 흑연층간화합물(Graphite Intercalation on Compounds)로서 가열될 경우 흑연층간화합물이 빠르게 분해되면서 많은 양의 탄소를 발생시켜 주변의 산소와 결합함으로써 화재시 산소결핍을 유도하여 화재를 진압함과 동시에 화염전이를 차단할 수 있도록 한다. 이때, 팽창흑연의 사이즈는 20∼50Mesh(20Mesh 이하일 경우 팽창율이 떨어지고 50Mesh 이상일 경우 가열시 탄소의 배출량이 작아 바람직하지 않다)로서 팽창효율 및 방염효율( 20wt％ 이하일 경우 팽창효율 및 방열효율이 떨어지고 25wt％ 이상일 경우 팽창효율 및 방열효율이 그 이상 기대할 수 없어 바람직하지 않다)을 극대화시킬 수 있도록 한다.Expandable graphite is a graphite intercalation on compounds manufactured by combining carbon atoms while mixing chemicals such as acids, alkalis and salts with natural impression graphite. By generating a positive amount of carbon and combining it with the surrounding oxygen, it induces oxygen deficiency in the event of a fire, suppressing the fire and preventing the flame from spreading. At this time, the size of the expanded graphite is 20-50Mesh (if it is less than 20Mesh, the expansion rate decreases, and if it is more than 50Mesh, the carbon emission during heating is small, which is undesirable) as well as the expansion efficiency and flame-retardant efficiency (If it is less than 20wt%, the expansion efficiency and heat dissipation efficiency are reduced and 25wt % or more, expansion efficiency and heat dissipation efficiency cannot be expected any more, so it is not desirable) to be maximized.

암모늄 폴리 포스테이트(Ammonium PolyPhosphate)는 인-질소 난연제이며 백색 결정체로서 열소멸, 분해물의 희석 및 용융 점도의 감소 등의 작용으로 난연제의 역할을 하고, 특히 인 함유량이 높아 난연 특성이 높으며, 팽창흑연과 결합하여 화재시 화염전이의 차단을 극대화시키고, 특히 플라스틱과 고무, 코팅, 종이, 목재, 페인트 등에 대한 비할로겐 및 무독성 난연 기능을 수행하면서 화열에 의하여 부풀어 오를 때 난연역할을 극대화시킬 수 있도록 한다(2wt％ 이하일 경우 난연의 효과가 떨어지고 10wt％ 이상일 경우 팽창흑연의 포션을 상대적으로 작게 하여 바람직하지 않다).Ammonium PolyPhosphate is a phosphorus-nitrogen flame retardant, and as a white crystal, it acts as a flame retardant by heat dissipation, dilution of decomposition products, and reduction of melt viscosity. It maximizes the prevention of flame transition in case of fire by combining with the (If it is less than 2wt%, the flame retardant effect is reduced, and if it is more than 10wt%, it is not preferable to make the portion of expanded graphite relatively small).

펜타에리트리톨(Pentaerythritol)은 무취, 백색의 결정형 분말로써 알키드 레진, 가소제, 합성 윤활유로 활용되어 팽창흑연 및 암모늄 폴리 포스테이트 상호간의 결합을 용이하게 하며, 5wt％ 이하일 경우 팽창흑연 및 암모늄 폴리 포스테이트 상호간의 결합을 원할치 않도록 하고 15wt％ 이상일 경우 팽창흑연 및 암모늄 폴리 포스테이트 상호간의 결합을 무르게 하여 바람직하지 않다.Pentaerythritol is an odorless, white crystalline powder that is used as alkyd resin, plasticizer, and synthetic lubricant to facilitate bonding between expanded graphite and ammonium polyphosphate. It is not preferable to avoid mutual bonding and to soften the bonding between expanded graphite and ammonium polyphosphate when it is 15 wt% or more.

실리콘수지(Silicone Resin)는 유기유도체가 중합되어 만들어지는 열경화성 합성수지로서 규소와 산소가 번갈아 있는 실록세인결합의 형태를 취하고, 실리콘(규소)를 뼈대로 하여 여기에 메틸기,ㅇ페닐기 및ㅇ하이드록시기 등이 첨가되어 펜타에리트리톨에 의해 결합된 팽창흑연 및 암모늄 폴리 포스테이트를 유연하게 혼합시키면서 화재시 고온에 의한 팽창흑연 및 암모늄 폴리 포스테이트의 이탈을 방지하여 예를 들어 후술되는 전기자동차의 배터리셀(11)의 외부표면 또는 배터리박스(12)의 내부표면에 도포될 경우 쿠션을 유지하면서 달라붙게 하여 화재시 팽착흑연의 팽창력을 보장할 수 있도록 한다(실리콘수지는 3wt％ 미안일 경우 쿠션력을 유지할 수 없어 바람직하지 않고 10wt％ 이상일 경우 팽창흑연의 팽창력을 상쇄시켜 바람직하지 않다)Silicone resin is a thermosetting synthetic resin made by polymerization of organic derivatives. It takes the form of a siloxane bond in which silicon and oxygen are alternated, and silicon (silicon) is used as a backbone to form a methyl group, a phenyl group, and a hydroxyl group. It is added to flexibly mix expanded graphite and ammonium polyphosphate bound by pentaerythritol to prevent the separation of expanded graphite and ammonium polyphosphate due to high temperature in case of fire, for example, the battery cell of an electric vehicle to be described later. When applied to the outer surface of (11) or the inner surface of the battery box 12, the cushion is kept and adhered to ensure the expansion power of the expanded graphite in case of fire (Silicone resin has a cushioning power of 3wt%. It is not preferable because it cannot be maintained, and if it is 10 wt% or more, it is not preferable because the expansion force of the expanded graphite is offset)

멜라민수지(Melamine Resin)는 멜라민과 폼알데하이드 사이에 축합 반응으로 생성되는 열경화성 플라스틱 물질로서 실리콘수지의 무른 물성을 보완할 수 있도록 견고함을 부여하면서 열에 강하며, 스크래치 및 화학작용에 대한 안정성이 뛰어나고, 높은 내마찰성과 열안정성을 가지고 있어 5∼15wt％로 포함한다(5wt％ 이하일 경우 실리콘수지의 무른 물성을 보완할 수 없고 15wt％ 이상일 경우 실리콘수지의 물성을 지나치게 단단하게 하여 바람직하지 않게 된다)Melamine Resin is a thermosetting plastic material produced by the condensation reaction between melamine and formaldehyde. It has high friction resistance and thermal stability, so it contains 5 to 15 wt% (If it is less than 5 wt%, the soft physical properties of the silicone resin cannot be supplemented, and if it is more than 15 wt%, the physical properties of the silicone resin are excessively hardened, making it undesirable)

실리콘고무(Silicone Rubber)는 고중합도 곧은사슬 모양의 디올가노폴리실록산에 미분 실리카 등을 보강제로 혼합하여 가교시킨 고무 탄성체로서 내후성, 전기적 특성이 우수하고, 이 중 물성의 유연함이 높은 것(보통적으로 신율 280％)을 실리콘고무 A라 하고, 물성의 유연함이 낮은 것(보통적으로 신율 230％)을 실리콘고무 B라 하며, 이러한 물성의 유연함을 고려하여 실리콘고무 A와 B를 동일 중량비율인 15∼25wt％로 혼합한다(실리콘고무 A와 B를 동일 비율인 15wt％ 이하로 할 경우 팽창흑연 및 암모늄 폴리 포스테이트 상호간의 결합에 의한 유연성이 떨어져 바람직하지 않고, 실리콘고무 A와 B를 동일 비율인 25wt％ 이상으로 할 경우 팽창흑연 및 암모늄 폴리 포스테이트 상호간의 결합에 의한 물성이 무르게 되어 바람직하지 않다).Silicone rubber is a rubber elastomer obtained by crosslinking high polymerization straight chain diorganopolysiloxane with fine powder silica as a reinforcing agent. It has excellent weather resistance and electrical properties. Elongation of 280%) is referred to as silicone rubber A, and those with low physical property flexibility (usually elongation of 230%) are referred to as silicone rubber B. Mix at ∼25 wt% (When silicone rubber A and B are used in the same ratio of 15 wt% or less, flexibility due to the bonding between expanded graphite and ammonium polyphosphate is not preferable, and silicone rubber A and B are mixed in the same ratio. If it is set to 25 wt% or more, the physical properties due to the bonding between the expanded graphite and ammonium polyphosphate become brittle, which is not preferable).

자일렌(Xylene)은 특유의 용해력으로 팽창흑연, 암모늄 폴리 포스테이트, 펜타에리트리톨, 실리콘수지, 멜라민수지, 실리콘고무 A 및 실리콘고무 B를 서로 용이하게 혼합되도록 하며, 15wt％ 이하일 경우 용해력이 떨어지고 25wt％ 이상일 경우 상대적으로 팽창흑연, 암모늄 폴리 포스테이트, 펜타에리트리톨, 실리콘수지, 멜라민수지, 실리콘고무 A 및 실리콘고무 B의 상호간의 물성을 무르게 하여 바람직하지 않게 된다.Xylene, with its unique dissolving power, makes it easy to mix expanded graphite, ammonium polyphosphate, pentaerythritol, silicone resin, melamine resin, silicone rubber A and silicone rubber B with each other. When it is 25 wt% or more, it is not preferable because the mutual physical properties of expanded graphite, ammonium polyphosphate, pentaerythritol, silicone resin, melamine resin, silicone rubber A and silicone rubber B are weakened relatively.

도 2는 본 발명에 따른 화재 진압용 방염 도료가 적용된 배터리모듈을 내장한 전기자동차를 나타내는 예시도이고, 도 3은 본 발명에 따른 화재 진압용 방염 도료를 실험한 모습을 나타내는 사진이다.2 is an exemplary view showing an electric vehicle having a built-in battery module to which the flame retardant paint for fire suppression according to the present invention is applied, and FIG.

도 2에 도시된 바와 같이 본 발명에 따른 화재 진압용 방염 도료를 전기자동차의 배터리모듈(10)에 적용된 배터리박스(12)의 내부표면 또는 배터리셀(11)의 외부표면에 도포할 경우 외부의 충격이나 과충전에 의하여 어느 하나의 배터리셀(11)에 화재가 발생될 경우 도 3에 도시된 바와 같이 본 발명의 화재 진압용 방염 도료가 고온의 열기 및 화염에 의해 부풀어 오르면서 팽창흑연의 흑연층간화합물이 빠르게 분해되어 많은 양의 탄소를 발생시켜 주변의 산소와 결합되어 산소결핍을 유도함과 동시에 팽창된 만큼 화염에 압력을 주어 화재를 진압하면서 화염전이를 차단할 수 있도록 하는 것이다.As shown in FIG. 2, when the flame retardant paint for fire suppression according to the present invention is applied to the inner surface of the battery box 12 or the outer surface of the battery cell 11 applied to the battery module 10 of the electric vehicle, the external When a fire occurs in any one of the battery cells 11 due to impact or overcharging, as shown in FIG. 3 , the flame retardant paint for fire suppression of the present invention swells by the high temperature heat and flame, and the graphite interlayer of expanded graphite The compound is rapidly decomposed to generate a large amount of carbon, which combines with the surrounding oxygen to induce oxygen deficiency, and at the same time applies pressure to the flame as much as it expands to suppress the fire and block the flame transition.

본 발명은 화재가 발생될 수 있는 배터리, 전원케이블, 조선, 선박, 자동차, 가전, 휴대폰, 컴퓨터 및 항공 분야에 이용 가능하다.INDUSTRIAL APPLICABILITY The present invention can be used in the fields of batteries, power cables, shipbuilding, ships, automobiles, home appliances, mobile phones, computers, and aviation that can cause fire.

10 : 배터리모듈
11 : 배터리셀
12 : 배터리박스10: battery module
11: battery cell
12: battery box

Claims (5)

팽창흑연(Expandable Graphite) 20∼25wt％, 암모늄 폴리 포스테이트(Ammonium PolyPhosphate) 2∼10wt％, 펜타에리트리톨(Pentaerythritol) 5∼15wt％, 실리콘수지(Silicone Resin) 3∼10wt％, 멜라민수지(Melamine Resin) 5∼15wt％, 물성의 유연함이 높은(신율이 하기 실리콘고무 B보다 상대적으로 높은) 실리콘고무 A(Silicone Rubber A) 15∼25wt％, 물성의 유연함이 낮은(신율이 상기 실리콘고무 A보다 상대적으로 낮은) 실리콘고무 B(Silicone Rubber B) 15∼25wt％, 자일렌(Xylene) 15∼25wt％를 포함하고,
상기 팽창흑연은 20∼50Mesh의 사이즈인 것을 특징으로 하는 화재 진압용 방염 도료.Expandable Graphite 20~25wt%, Ammonium PolyPhosphate 2~10wt%, Pentaerythritol 5~15wt%, Silicone Resin 3~10wt%, Melamine Resin Resin) 5-15wt%, high physical property flexibility (elongation is relatively higher than silicone rubber B below) 15-25wt% of silicone rubber A, low physical property flexibility (elongation is higher than silicone rubber A above) Relatively low) silicone rubber B (Silicone Rubber B) 15-25wt%, xylene (Xylene) 15-25wt%,
The expanded graphite is a flame retardant paint for fire suppression, characterized in that the size of 20 ~ 50Mesh. 삭제delete 삭제delete 삭제delete 삭제delete
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