KR20030042299A - A EPS Foam having superior fire prevention effect and the manufacturing method therefor - Google Patents

A EPS Foam having superior fire prevention effect and the manufacturing method therefor Download PDF

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KR20030042299A
KR20030042299A KR1020010073024A KR20010073024A KR20030042299A KR 20030042299 A KR20030042299 A KR 20030042299A KR 1020010073024 A KR1020010073024 A KR 1020010073024A KR 20010073024 A KR20010073024 A KR 20010073024A KR 20030042299 A KR20030042299 A KR 20030042299A
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calcium carbonate
schiropol
foam
flame retardancy
beads
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KR1020010073024A
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Korean (ko)
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KR100507582B1 (en
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이병택
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이병택
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/224—Surface treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene

Abstract

PURPOSE: Provided are a styrofoam excellent in fire retardancy and extinction capability, which can be easily cut and molded, and which is light and inexpensive, and which generates an extinction gas(CO2) on firing, and a method for producing the same. CONSTITUTION: The styrofoam is coated with calcium carbonate(CaCO3) powder. The calcium carbonate powder is obtained by crushing at least one of limestone, oystershell, and shell. The calcium carbonate powder is coated on the foamed styrofoam beads by using soda silicate as inorganic coking agent. The styrofoam is produced by the steps of (S1) crushing styrofoam beads into desired size; (S2) foaming the crushed styrofoam beads to obtain a styrofoam having desired size; and (S4) applying calcium carbonate on the foamed styrofoam.

Description

난연성 및 소화성이 우수한 스치로폴 폼 및 그 제조방법{A EPS Foam having superior fire prevention effect and the manufacturing method therefor}Flame retardant and fire extinguishing Schiropol foam and its manufacturing method {A EPS Foam having superior fire prevention effect and the manufacturing method therefor}

본 발명은 경량보온의 건축용 자재로 많이 사용되는 스치로폴 패널등 스치로폴 제품에 대하여 그 동안 문제로 제기되어 왔던 화재의 위험과 유독가스로 인한 인명 질식사의 문제 등을 해결하기 위하여 난연성이 우수하면서도 화재시에는 소화의 기능을 겸하는 스치로폴 폼과 그 성형품 및 이를 제조하는 방법에 관한 것이다.The present invention has excellent flame retardancy in order to solve the risk of fire and suffocation of life due to toxic gas that has been raised as a problem for Schiropol products such as Schiropol panels, which are widely used as building materials of lightweight insulation. The present invention relates to a styropol foam having a function of fire extinguishing, a molded article thereof and a method of manufacturing the same.

스치로폴 패널은 가볍고 절단, 성형이 쉬우며 값이 싸서 건축용 자재, 공장건물 또는 축사 등의 외장재 및 내장재 등 다양한 용도로 사용되어 왔다. 그러나, 스치로폴은 석유제품이기 때문에 목재보다도 수십배 강력한 연소성을 내재하고 있어 화재위험이 대단히 높으며, 일단 화재가 발생하면 스치로폴의 연소시 발생하는 유독가스로 인하여 사람이 질식사하게 되는 등 화재에 대한 취약성이 최대 약점으로 지적되어 왔다.Schiropol panels are light, easy to cut, molded and inexpensive, and have been used for various purposes such as exterior materials and interior materials such as building materials, factory buildings or barns. However, because Schiropol is a petroleum product, it has several times more powerful combustibility than wood, so the risk of fire is very high, and once a fire occurs, it is vulnerable to fire. It has been pointed out as a weakness.

이러한 화재를 예방하면서도 보온효과가 있는 건축자재의 대체품으로는 난연 및 불연성을 지닌 석면(asbestos), 유리면(glass wool), 암면(rock wool)등이 개발 사용되어 왔다. 그러나 이들은 성형성이 없어 벽면재로는 사용이 어렵고, 석면은 발암성 물질이며, 암면은 침상형이라 작업자의 피부를 손상시킬수 있어 작업성이 떨어질 뿐만 아니라 가격도 지나치게 비싸 스치로폴 패널을 대체하기에는 상당히 제한적이다. 또한 이를 예방하기 위하여 시공부 외부에 섬유질 또는 비닐 피복을 하게되면 원가는 더욱 상승하게 된다. 경우에 따라서는 양면 또는 한면에 철판, 알류미늄판 등을 부착하여 사용하기도 하지만 화재 또는 유독가스 발생을 완전히 차단할 수는 없었다. 따라서 상기와 같은 스치로폴 패널의 문제점과 석면, 암면의 문제점을 제거하면서도 스치로폴 패널의 경량보온의 효과를 발휘할 수 있는 대체 패널의 필요성이 제기되어 왔다.As a substitute for building materials that prevents fires and has a warming effect, asbestos, glass wool, and rock wool, which are flame retardant and nonflammable, have been developed and used. However, because they are not moldable, they are difficult to use as wall materials, asbestos is a carcinogenic substance, and rock wool is needle-like, which can damage the skin of workers. to be. In addition, to prevent this, if the fiber or vinyl coating on the outside of the construction portion, the cost will rise further. In some cases, iron plate, aluminum plate, etc. may be attached to both sides or one side, but it was not possible to completely block the generation of fire or toxic gas. Therefore, there has been a need for an alternative panel capable of exerting the effects of lightweight insulation of the Schiropol panel while eliminating the problems of the Schiropol panel and asbestos and rock wool.

이러한 필요성에 따라 출현한 종래 기술로는 1983년 5월 23일 등록된 실용신안 제 1983-0000792호에 공개된 바와 같이 스치로폴 판재에 초산비닐수지(20%)를 메타놀(60%)로 용해하여 석고분말(20%)과 혼합한 것으로 스치로폴 판재에 코팅층을 형성한 제품이 있다. 그러나 이러한 제품은 난연성이 있어 화재 발생 시 쉽게 불에 타지는 않으나, 코팅층의 내부에는 여전히 인화성이 높은 원래 상태의 스치로폴 판재가 내장되어 있으므로 가열에 의해 온도가 올라가면 이 내장된 스치로폴에서 유독성 가스가 배출됨으로서 스치로폴 패널이 지니고 있는 문제점을 완전히 제거하고 있지 못하다. 또한 석고분말을 도포하는 과정에서 석고가 굳는데 까지 장시간이 소요되므로 제품의 생산성이 떨어지는 문제점이 있었다.The prior art that emerged according to this necessity is a gypsum by dissolving vinyl acetate resin (20%) with methanol (60%) in Schiropol sheet as disclosed in Utility Model No. 1983-0000792, registered on May 23, 1983. There is a product in which a coating layer is formed on Schiropol sheet by mixing with powder (20%). However, these products are flame retardant, so they are not easily burned in the event of a fire.However, since the inside of the coating layer is still highly flammable, the Schiropol sheet is still in its original state. It does not completely eliminate the problem with Schiropol panels. In addition, in the process of applying the gypsum powder it takes a long time for the gypsum to harden, there was a problem that the productivity of the product falls.

본 발명은 스치로폴 패널이 가지고 있는 장점인 가볍고 절단, 성형이 쉬우며 값이싸다는 점을 그대로 유지하면서도, 불에 잘 타지 않을 뿐만 아니라, 화재시에는 불을 끄는 역할을 하는 소화가스(CO2)가 발생하는 난연성 및 소화성이 우수한 스치로폴 폼 및 스치로폴 성형품, 그리고 그 제조방법의 제공을 목적으로 한다.The present invention maintains the advantages that Schiropol panels have in light, easy to cut, easy to form and inexpensive, and does not burn well, but also extinguish fire in the event of fire (CO 2 ) It is an object of the present invention to provide Styropol foam and Styropol molded article having excellent flame retardancy and digestibility, and a method of manufacturing the same.

도1 은 본 발명에 의한 스치로폴 폼 및 그 성형재의 제조방법을 플로우 챠트로 표시한 제조공정도이다.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a flow chart showing a method of manufacturing a styropol foam and its molding material according to the present invention in a flow chart.

본 발명은 상기와 같은 목적을 달성하기 위하여 안출한 것으로서, 우선 난연성과 소화성이 우수한 스치로폴 폼과 그 성형품의 제조방법을 첨부된 도면에 의하여 설명한다.The present invention has been made in order to achieve the above object, it will first be described by the accompanying drawings, a method for producing Styropol foam and its molded article excellent in flame retardancy and fire extinguishing.

도1은 제조 공정도로서, 첫 단계는 스치로폴 비즈 (EPS Beads)의 파쇄단계(S1)이다. 본 발명에 의한 난연성과 소화성이 우수한 스치로폴 폼 및 그 성형품을 만들기 위하여는 후술하는 바와 같이 규산소다 또는 탄산칼슘 등을 발포된 스치로폴 비즈에 코팅 또는 혼련하는 공정을 거치게 되는데, 난연성과 소화성을 극대화하기 위하여는 이러한 난연 및 소화 역할을 하는 상기 규산소다 또는 탄산칼슘 등이 가능한한 넓은 면적에 걸쳐 골고루 스며들 필요가 있다. 따라서, 스치로폴 비즈를 2분의 1 내지 8분의 1크기로 파쇄하는 과정을 거치게 된다.Figure 1 is a manufacturing process diagram, the first step is the shredding step (S1) of Schiropol beads (EPS Beads). In order to make the flame retardant and fire extinguishing Schiropol foam and its molded article according to the present invention is subjected to a process of coating or kneading a soda silicate or calcium carbonate, such as foamed Schiropol beads, in order to maximize the flame retardancy and digestibility The sodium silicate or calcium carbonate, which acts as a flame retardant and fire extinguishing agent, needs to be evenly spread over as large an area as possible. Thus, the Schiropol beads are crushed to a size of 1/2 to 8/8.

다음은 파쇄된 스치로폴 비즈를 발포(S2)하는 과정이다. 발포에는 자동발포기가 사용되며 가열 발포 공정을 거치면서 스치로폴 비즈는 5배 내지 20배 정도로불어나게 된다. 발포는 보통 2회에 걸쳐 실시되며 필요한 크기의 스치로폴 비즈가 나오도록 하여 연속으로 자동 발포한다.Next is the process of foaming (S2) the crushed Schiropol beads. Automatic foaming is used for foaming and Schiropol beads are blown about 5 to 20 times during the heating foaming process. Foaming is usually carried out twice and automatically foams continuously with the Schiropol beads of the required size.

다음 단계로는 본 작업을 위한 예비처리 과정의 하나로 상기의 발포된 스치로폴 비즈에 풀 또는 규산소다 희석액을 코팅(S3) 한다. 이는 적정 크기로 발포된 스치로폴에 탄산칼슘을 보다 효과적으로 도포하기 위한 것이다. 스치로폴 입자에 풀 또는 규산소다 희석액을 코팅하는 방법은 희석액이 담긴 탱크에 발포된 스치로폴 비즈 입자를 투입하여 건져내거나 희석액을 분무 또는 분사하는 방법에 의한다.In the next step, as a pretreatment for this operation, the foamed Schiropol beads are coated with diluent of grass or sodium silicate (S3). This is to more effectively apply calcium carbonate to foamed Styropol. The method of coating the diluent of glue or sodium silicate on the Styropol particles is carried out by injecting foamed Styropol beads into the tank containing the diluent and dipping them or spraying or spraying the diluent.

다음은 탄산칼슘 도포단계(S4)로서 우선 1차로 예비처리된 스치로폴 입자에 1 내지 100 미크론 크기의 탄산칼슘 파우더를 골고루 부착시킨 후 적정한 농도의 규산소다 용액을 넣고 휘저어 다시 탄산칼슘 코팅의 효율을 높게한다. 탄산칼슘의 원료로는 석회석, 방해석, 굴껍질, 조개껍질 중에서 선택된 1종 이상의 물질을 분쇄하여 분말로 만들어 사용한다. 상기한 규산소다 희석액을 코팅하는 단계(S3)와 여기에 탄산칼슘을 도포하는 단계(S4)는 필요에 따라 탄산칼슘이 충분히 도포될 때까지 반복 실시할 수 있다. 통상적으로는 2차에 걸친 규산소다 희석액 투여와 탄산칼슘 도포로 완벽한 코팅층을 형성한다.Next, as a calcium carbonate coating step (S4), first, the 1 to 100 micron-sized calcium carbonate powder is evenly attached to the first pretreated Schiropol particles, and then the sodium silicate solution is added in an appropriate concentration to stir again to increase the efficiency of the calcium carbonate coating. do. As a raw material of calcium carbonate, one or more materials selected from limestone, calcite, oyster shell, and clam shell are pulverized and used as powder. The step of coating the dilute solution of sodium silicate (S3) and the step of applying calcium carbonate thereto (S4) may be repeated until calcium carbonate is sufficiently applied as necessary. Typically, a two-second dilution of sodium silicate and application of calcium carbonate form a complete coating layer.

그 다음은 규산소다 혼련단계(S5)이다. 탄산칼슘이 도포된 스치로폴 입자에 무기점결제인 규산소다를 적정한 농도로 맞추어 부어 넣고 스치로폴 입자와 혼련한다. 규산소다와 스치로폴 입자를 혼련하는 이유는 규산소다에 탄산가스를 불어넣으면 규산소다가 빠르게 경화하므로 후술하는 압축 성형단계에서 최종 스치로폴 성형품의 생산이 단시간에 간편하게 가능해지기 때문이다. 상기와 같이 혼련된 탄산칼슘이 도포된 스치로폴 입자들은 최종 성형품을 만들기 위한 재료로 되며, 최종 성형품으로 완성하기 위하여는 그 최종 성형품의 모양에 맞게 미리 준비한 형틀(mould)에 혼련된 스치로폴 입자들을 채우고 (S6, 형틀투입단계), 형틀로 탄산가스를 불어넣으면서 압착(pressing)함으로서(S7) 난연성과 소화성이 우수한 최종 스치로폴 성형품이 완성된다. 즉, 패널형태의 판재를 만들 때는 판형의 형틀을 사용하며, 파이프형을 만들 때는 파이프형의 형틀을 사용하게 된다.Next is the sodium silicate kneading step (S5). Sodium silicate, which is an inorganic binder, is poured into Schiropol particles coated with calcium carbonate at an appropriate concentration and kneaded with Schiropol particles. The reason for kneading the soda silicate and Schiropol particles is that the soda silicate is rapidly cured when carbon dioxide gas is blown into the soda silicate, so that the production of the final Styropole molded article can be easily performed in a short time in the compression molding step described later. The styrofoam particles coated with the kneaded calcium carbonate are the materials for forming the final molded product, and in order to complete the final molded product, the kneaded styropol particles are filled in a mold prepared in advance according to the shape of the final molded product ( S6, mold injection step), by pressing while blowing carbon dioxide gas into the mold (S7) the final Schiropol molded article excellent in flame retardancy and digestibility is completed. In other words, a plate-shaped plate is used to make a panel, and a pipe-type mold is used to make a pipe.

이렇게 완성된 스치로폴에 혼입된 불연 무기물인 탄산칼슘(CaCO3)은 스치로폴(EPS)의 연소를 차단하게 되고, 점차 고온으로 갈수록 탄산칼슘이 분해되어 산화칼슘(CaO)과 탄산가스(CO2)를 생성하게 되는 바, 여기서 생긴 탄산가스는 소화가스이므로 스치로폴의 연소시 생기는 화염을 소화하는 역할을 하게된다.The non-combustible calcium carbonate (CaCO 3 ) incorporated into the finished Schiropol blocks the combustion of Schiropol (EPS), and the calcium carbonate is gradually decomposed at a high temperature to remove calcium oxide (CaO) and carbon dioxide (CO 2 ). As the carbon dioxide gas generated is digestion gas, it serves to extinguish the flames generated by combustion of Schiropol.

분해식은 CaCO3(s) + 가열(Heating) = CaO(s) + CO2(g) 이며, 이때 발생하는 탄산가스는 1 Mole당 약 44 gr 이고, 중량비 44%이다. 이 때 사용하는 탄산칼슘의 파우더는 석회석 또는 방해석을 분쇄하여 초미분화 하거나, 굴 또는 패각을 분쇄, 미세한 분말로 만들어 사용한다. 이 불연성의 탄산칼슘 파우더를 발포된 스치로폴 입자에 골고루 코팅하여야 하며, 이 코팅을 위해 무기점결제인 규산소다(Na2O. nSiO2.mH2O)에 물을 첨가하여 농도를 희석하고 여기에 발포된 스치로폴 비즈를 적셔 탄산칼슘 파우더를 코팅한다. 규산소다를 사용하는 이유는 규산소다가 탄산가스와 결합하면 빠르고 쉽게 경화하므로 스치로폴 성형재의 강도와 성형성을 향상시키고제조시간을 혁신적으로 단축코자 하는 것이다.The decomposition is CaCO 3 (s) + Heating = CaO (s) + CO 2 (g), the carbon dioxide gas generated is about 44 gr per mole, 44% by weight. The powder of calcium carbonate used at this time is used to make ultrafine powder by grinding limestone or calcite, or to grind oysters or shells into fine powder. This non-combustible calcium carbonate powder should be evenly coated on the foamed Styropol particles, and for this coating, water was added to the inorganic binder sodium silicate (Na 2 O. nSiO 2 .mH 2 O) to dilute the concentration and foam it. Soak Schiropol beads and coat calcium carbonate powder. The reason for using soda silicate is to quickly and easily harden when soda silicate is combined with carbon dioxide gas, thereby improving the strength and formability of the Styropol molding material and innovatively shortening the manufacturing time.

본 발명은 첫째, 종래의 스치로폴 패널이 가지고 있는 장점인 가볍고 절단, 성형이 쉬우며 값이 싸서 경제적이라는 점을 그대로 유지하면서도, 불에 잘 타지 않을 뿐만 아니라, 화재시에는 소화가스(CO2)가 발생하여 불을 끄는 역할을 자동적으로 수행하게되는 난연성 및 소화성이 우수한 스치로폴을 이용한 건축자재이며, 둘째, 종래의 석고형 제품에 비해 제조공정이 쉽고 단순하여 양산화 시설비가 적게 들고 생산성이 높으며, 제조원가가 저렴하여 싼 가격으로 화재의 위험이 없는 건축자재를 공급할 수 있고, 셋째는, 굴껍질, 조개껍질 등 폐기물을 활용할 수 있어 친환경적인 건축자재의 생산이 가능하게 되는 공업적 및 산업적 이용효과가 있다.The present invention, firstly, while maintaining the advantages of the conventional Schiropol panel light, easy to cut, easy to form and cheap and economical, as well as not burned well, in case of fire extinguishing gas (CO 2 ) It is a building material using Schiropol, which has excellent flame retardancy and fire extinguishing, which automatically plays a role of extinguishing fire when it occurs. Second, the manufacturing process is easier and simpler than the conventional gypsum-type products, so that the production cost is low, productivity is high, and manufacturing cost is low Therefore, it is possible to supply building materials without the risk of fire at a low price, and thirdly, it is possible to utilize waste such as oyster shells and shell shells, so that there is an industrial and industrial use effect that enables the production of environmentally friendly building materials.

Claims (10)

탄산칼슘(CaCO3) 분말이 코팅되어 있는 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 폼.Schiropol foam having excellent flame retardancy and fire extinguishing, characterized by coating of calcium carbonate (CaCO 3 ) powder. 제1항에 있어서, 상기 탄산칼슘 분말은 석회석, 방해석, 굴껍질, 조개껍질 중에서 선택된 1종이상의 물질을 분쇄하여서 된 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 폼.According to claim 1, wherein the calcium carbonate powder is Schiropol foam having excellent flame retardancy and digestibility, characterized in that by pulverizing at least one material selected from limestone, calcite, oyster shell, clam shell. 제1항 또는 제2항에 있어서, 상기 탄산칼슘 분말은 규산소다를 무기점결제로 하여 발포된 스치로폴 비즈에 부착 코팅되는 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 폼.According to claim 1 or claim 2, wherein the calcium carbonate powder is Schiropol foam excellent flame retardancy and fire extinguishing, characterized in that the coating on the foamed Schiropol beads with sodium silicate as an inorganic binder. 스치로폴 비즈를 필요크기로 파쇄하는 단계와,Crushing the Schiropol beads to the required size; 상기 파쇄된 비즈를 필요크기의 스치로폴 폼으로 발포하는 단계와,Foaming the crushed beads into Schiropol foam of a required size; 상기 발포된 스치로폴 폼에 탄산칼슘을 도포하는 단계로 이루어지는 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 폼의 제조방법.A method for producing Schiropol foam having excellent flame retardancy and digestibility, comprising: applying calcium carbonate to the foamed Styropol foam. 제4항에 있어서, 상기 탄산칼슘 도포단계는 먼저 스치로폴 폼의 표면에 규산소다 함유용액을 도포시킨 후 그 위에 탄산칼슘 분말을 분무 코팅시키는 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 폼의 제조방법.The method of claim 4, wherein the calcium carbonate coating step comprises applying a sodium silicate-containing solution to the surface of the styropol foam and spray-coating the calcium carbonate powder thereon. 제4항 또는 제5항에 있어서, 상기 탄산칼슘 분말은 석회석, 방해석, 굴껍질, 조개껍질 중에서 선택된 1종이상의 물질을 분쇄하여서 된 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 폼의 제조방법.The method of claim 4 or 5, wherein the calcium carbonate powder is prepared by pulverizing at least one material selected from limestone, calcite, oyster shell, and clam shell. 표면에 탄산칼슘이 코팅되어 있는 스치로폴 폼을 이용하여 각종 형틀에서 제조된 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 성형품.Styropol molded article having excellent flame retardancy and fire extinguishing ability, which is manufactured in various molds using styropol foam coated with calcium carbonate on its surface. 제7항에 있어서, 상기 탄산칼슘은 석회석, 방해석, 굴껍질, 조개껍질 중에서 선택된 1종이상의 물질을 분쇄하여서 된 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 성형품.[Claim 9] The Schiropol molded article having excellent flame retardancy and extinguishing property according to claim 7, wherein the calcium carbonate is obtained by pulverizing at least one material selected from limestone, calcite, oyster shell, and clam shell. 스치로폴 비즈를 필요크기로 파쇄하는 단계와,Crushing the Schiropol beads to the required size; 상기 파쇄된 비즈를 필요크기의 스치로폴 폼으로 발포하는 단계와,Foaming the crushed beads into Schiropol foam of a required size; 상기 발포된 스치로폴 폼에 규산소다 용액을 도포하는 단계와,Applying a sodium silicate solution to the foamed Schiropol foam, 상기 규산소다 용액이 도포된 스치로폴 폼 입자에 탄산칼슘을 도포하는 단계와,Applying calcium carbonate to the Styropol foam particles to which the sodium silicate solution is applied; 상기 탄산칼슘이 도포된 스치로폴 폼을 형틀에 넣은 후 압착하면서 탄산가스를 불어넣어 요구되는 치수와 강도를 갖는 성형품을 제조하는 단계로 구성된 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 성형품의 제조방법.The method for producing a Styropol molded article excellent in flame retardancy and fire extinguishing, comprising the step of putting the calcium carbonate coated Schiropol foam into the mold and blowing a carbon dioxide gas while pressing to produce a molded article having the required dimensions and strength. 제9항에 있어서, 상기 탄산칼슘을 도포하는 단계는 스칠폴 폼의 표면에 규산소다 함유 용액을 도포시킨 후 그 위에 탄산칼슘 분말을 분무 코팅시키는 것을 특징으로 하는 난연성 및 소화성이 우수한 스치로폴 성형품의 제조방법.10. The method of claim 9, wherein the step of applying the calcium carbonate prepared by coating a sodium silicate-containing solution on the surface of the Schiolpol foam spray coating calcium carbonate powder thereon Way.
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