KR20100054992A - Incombustible styrofoam - Google Patents

Incombustible styrofoam Download PDF

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KR20100054992A
KR20100054992A KR1020080113871A KR20080113871A KR20100054992A KR 20100054992 A KR20100054992 A KR 20100054992A KR 1020080113871 A KR1020080113871 A KR 1020080113871A KR 20080113871 A KR20080113871 A KR 20080113871A KR 20100054992 A KR20100054992 A KR 20100054992A
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eps
flame retardant
foamed
glass wool
styrofoam
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KR1020080113871A
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Korean (ko)
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전진영
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주식회사 부건화학
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Priority to KR1020080113871A priority Critical patent/KR20100054992A/en
Publication of KR20100054992A publication Critical patent/KR20100054992A/en

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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
    • C08J9/228—Forming foamed products
    • 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
    • C08K3/40—Glass
    • 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
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PURPOSE: An incombustible styrofoam is provided to obtain excellent insulation property, fire retardant property, and application property by appropriately mixing a general expanded polystyrene, an incombustible expanded polystyrene, and glass wool. CONSTITUTION: A method for manufacturing an incombustible styrofoam comprises the following steps: putting a general expanded polystyrene and an incombustible expanded polystyrene with a ratio of 20~30 weight%:70~80 weight%, respectively; aging the foamed mixed expanded polystyrene in an aging tank(30); putting the aged mixed expanded polystyrene into a molder(40); and molding the mixed expanded polystyrene by adding glass wool.

Description

난연스티로폼 및 이의 제조방법과 제조장치{Incombustible styrofoam}Flame retardant styrofoam and manufacturing method and apparatus therefor {Incombustible styrofoam}

본 발명은 난연스티로폼에 관한 것으로, 더욱 상세하게는 스티로폼의 고유 성질을 거의 갖고 있으면서 난연성이 우수한 스티로폼 및 이의 제조방법과 제조장치에 관한 것이다.The present invention relates to a flame retardant styrofoam, and more particularly to a styrofoam having almost the intrinsic properties of the styrofoam and excellent flame retardancy, and a manufacturing method and apparatus thereof.

일반적으로 스티로폼이라고 불리우는 EPS(발포폴리스티렌, expanded polystyrene)는 단열성이 우수하고 가격이 저렴하므로 건축물의 단열재 또는 샌드위치패널의 심재로 널리 사용된다. 그러나 스티로폼보드는 열에 약하여 화재시 단시간에 녹아 내리므로, 스티로폼 보드가 심재로 사용된 샌드위치패널로 축조된 건축물은 화재시 건축물이 단시간에 붕괴되며, 유독가스도 발생되는 단점이 있다.Expanded polystyrene (EPS), commonly called styrofoam, is widely used as a core material for building insulation or sandwich panels because of its excellent insulation and low cost. However, since the styrofoam board is weak in heat and melts in a short time during a fire, the building constructed of a sandwich panel in which the styrofoam board is used as a core material has a disadvantage in that the building collapses in a short time and toxic gas is generated.

이러한 스티로폼보드의 문제점에 대해 스티로폼 보드의 난연성을 향상시키기 위해 보드의 표면에 난연제가 코팅된 제품이 제안되기도 한다. 그러나 난연제가 코팅된 제품은 코팅된 난연제의 두께가 비교적 얇아서 요구되는 수준의 난연성을 가지지는 못한다. 또한, 난연제와 보드가 층을 형성하므로 단순히 보드의 표면부분에만 난연성이 향상되는 단점이 있다.In order to improve the flame retardancy of the styrofoam board for the problem of the styrofoam board, a product having a flame retardant coated on the surface of the board has been proposed. However, products coated with a flame retardant may not have the required level of flame retardancy because the thickness of the coated flame retardant is relatively thin. In addition, since the flame retardant and the board form a layer, there is a disadvantage in that the flame retardancy is improved only on the surface portion of the board.

한편, 경우에 따라서는 난연제 코팅과정을 여러 번 반복하여 난연층이 상대 적으로 두껍게 형성된 제품이 제안되기도 하나, 이러한 제품은 반복적인 코팅과정 때문에 코스트가 높은 단점이 있다.On the other hand, in some cases, a product having a relatively thick flame retardant layer is proposed by repeating the flame retardant coating process several times, but this product has a disadvantage of high cost due to the repeated coating process.

또한, 난연만의 문제점에 입각하여 글라스울과 같이 내화성이 강한 소재를 보드로 사용되기도 하는데, 이와 같은 글라스울은 작업자에게 산업재해로 이어지는 폐단이 있어 사용을 자제하고 있는 추세이다.In addition, the fire-resistant material such as glass wool is also used as a board based on the problem of flame retardant only, such glass wool is a tendency to refrain from using because there is a waste leading to industrial accidents.

한편, 새로운 난연소재의 개발로 난연스티로폼의 성형이 가능해 지고 있다. 즉, 난연소재를 발포가능하게 개발하여 이 발포알갱이를 성형기에 넣고 고온, 압축 및 스팀을 분사해 난연스티로폼을 생산하고 있다.Meanwhile, the development of new flame retardant materials has made it possible to mold flame retardant styrofoam. In other words, the flame retardant material is developed to be foamed, and the foamed granules are put into a molding machine to produce flame retardant styrofoam by spraying high temperature, compression and steam.

그러나 난연소재만으로 성형되는 난연스티로폼은 단열성 및 난연성은 우수하나 일반 스티로폼에 비해 압축력이나 복원력이 현저하게 떨어져 충격완화재로서의 역할을 하지 못하는 단점이 있다.However, the flame retardant styrofoam formed only with the flame retardant material has excellent heat insulation and flame retardancy, but has a disadvantage in that the compression or restoring force is significantly lower than that of the general styrofoam and thus does not function as a shock absorber.

본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로, 일반EPS와 난연EPS와 글라스울을 적절히 혼합 제작하여 단열성, 난연성 및 시공성이 우수한 난연스티로폼을 제공하는데 있다.The present invention has been made to solve the above problems, to provide a flame retardant styrofoam excellent in insulation, flame retardancy and workability by properly mixing the general EPS and flame retardant EPS and glass wool.

상기와 같은 과제를 해결하기 위해 본 발명에 따른 제조방법은,In order to solve the above problems the manufacturing method according to the present invention,

일반EPS : 난연EPS를 20~30중량% : 70~80중량%로 투입하여 발포하는 단계;General EPS: Flame retardant EPS 20-30% by weight: 70-80% by weight of the step of foaming;

발포된 혼합발포EPS를 숙성조에서 숙성하는 단계;Aging the foamed mixed foamed EPS in a aging tank;

숙성된 혼합발포EPS를 성형기에 투입하는 단계;Introducing the aged mixed foam EPS into a molding machine;

성형기에 혼합발포EPS 대비 3~5부피%로 글라스울을 더 첨가하여 성형하는 단계;를 포함하는 것을 특징으로 하는 난연스티로폼의 제조방법을 제공한다.It provides a method for producing a flame retardant styrofoam comprising the; forming by adding a glass wool to 3 to 5% by volume compared to the mixed foam EPS in the molding machine.

이때, 성형기는 일반EPS 성형조건의 온도, 압력, 스팀량 및 시간보다 10%를 상향시켜 성형됨이 바람직하다.At this time, the molding machine is preferably molded by raising 10% than the temperature, pressure, steam amount and time of the general EPS molding conditions.

또는, 본 발명에 따른 제조장치는,Or, the manufacturing apparatus according to the present invention,

저장조, 발포기, 숙성조 및 성형기를 포함하는 난연스티로폼 제조장치에 있어서,In the flame retardant styrofoam manufacturing apparatus comprising a storage tank, a foaming machine, a aging tank and a molding machine,

저장조는 구회하여 한쪽에는 일반EPS가 저장되는 저장통과 다른쪽에는 난연EPS가 저장되는 저장통으로 구성시키고, 각각의 저장통에서 연장되는 배출라인을 하나의 통합라인에 연결시키되, 각각의 배출라인의 끝부분에는 일반EPS와 난연EPS 의 혼합량을 조절하기 위한 정량조절밸브가 설치되며, 성형기에는 별도의 글라스울 저장조에서 연결되는 글라스울 투입구를 더 형성함을 특징으로 하는 난연스티로폼 제조장치를 제공한다.The storage tank is composed of a reservoir for storing general EPS on one side and a reservoir for flame retardant EPS on the other, and connecting the discharge line extending from each reservoir to one integrated line, the end of each discharge line. There is provided a quantitative control valve for adjusting the mixing amount of the general EPS and flame retardant EPS, the molding machine provides a flame retardant styrofoam manufacturing apparatus characterized in that the glass wool inlet is further formed connected to a separate glass wool storage tank.

또는, 본 발명에 따른 난연스티로폼은,Alternatively, the flame retardant styrofoam according to the present invention,

일반EPS : 난연EPS가 20~30중량% : 70~80중량%로 발포되고, 발포EPS들의 사이사이에 발포EPS 대비 3~5부피%의 글라스울이 함께 융착됨을 특징으로 하는 난연스티로폼을 제공한다.General EPS: Flame retardant EPS is foamed at 20 ~ 30% by weight: 70 ~ 80% by weight, and provides flame retardant styrofoam characterized by fusion of glass wool of 3 ~ 5% by volume compared to foamed EPS among foamed EPS. .

전술한 바와 같이 제작되는 본 발명의 난연스티로폼은 스티로폼의 고유 성질과 함께 난연EPS 및 글라스울이 더 함유되어 뛰어난 난연성을 갖도록 할 수 있는 잇점이 있다.The flame-retardant styrofoam of the present invention prepared as described above has the advantage that the flame retardant EPS and glass wool are further contained together with the intrinsic properties of the styrofoam to have excellent flame retardancy.

그리고 사용상 제약을 많이 받게 되는 글라스울을 제약이 뒤따르지 않도록 효과적으로 함유할 수 있는 잇점도 있다.In addition, there is an advantage that can be effectively contained glass wool, which is subject to a lot of restrictions in use so as not to follow.

이하, 첨부된 도면들을 참조하여 본 발명의 바람직한 실시예에 따른 난연스티로폼의 제조방법을 설명한다.Hereinafter, a method of manufacturing a flame retardant styrofoam according to a preferred embodiment of the present invention with reference to the accompanying drawings.

본 발명에 따른 난연스티로폼은 일반적으로 제작되는 스티로폼의 제조방법을 기본으로 하되, 그 제조공정중에 난연EPS의 추가공정 및 글라스울의 추가 공정이 더 포함된다.Flame retardant styrofoam according to the present invention is generally based on the manufacturing method of the produced styrofoam, and further includes the additional process of flame retardant EPS and glass wool during the manufacturing process.

도 1은 일반적인 스티로폼 제조공정을 나타낸 도면이다.1 is a view showing a typical styrofoam manufacturing process.

일반적인 스티로폼의 제조공정을 살펴보면, 도 1에서 보는 바와 같이 먼저, EPS 원료가 저장조(10)에서 발포기(20)로 공급되고, 이 발포기(20)에서 원료가 발포된 후, 숙성조(30)로 이송된다.Looking at the manufacturing process of a typical styrofoam, as shown in Figure 1, first, the EPS raw material is supplied to the foaming machine 20 in the storage tank 10, the raw material is foamed in the foaming machine 20, the aging tank 30 Is transferred to).

숙성조(30)는 EPS가 발포된 후에는 다량의 가스가 방출되기 때문에 이러한 가스를 모두 배출시키기 위해 타공망으로 된 숙성조(30)에 발포EPS를 넣고 외부공기가 통풍되도록 약 6시간 정도의 자연숙성을 시키게 된다.Since the aging tank 30 emits a large amount of gas after the EPS is foamed, the foaming EPS is put into the aging tank 30 made of a perforated network to discharge all of these gases, and the natural air is about 6 hours to allow the outside air to be vented. It is aged.

이렇게 숙성된 발포EPS는 성형기(40)로 투입되어 일정한 온도와, 압력하에서 스팀을 공급하면서 성형을 하게 된다. 성형의 조건은 아주 일반적인 것이므로 자세한 설명은 생략한다.The aged foamed EPS is introduced into the molding machine 40 to be molded while supplying steam under a constant temperature and pressure. Molding conditions are very general, so detailed description is omitted.

도 2는 본 발명에 따른 저장조를 나타낸 개략도이다.2 is a schematic view showing a reservoir according to the present invention.

이와 같이 성형되는 스티로폼의 제조공정 중에서 본 발명에서는 도 2에서 보는 바와 같이 저장조(10)를 두개의 공간으로 구획하여 한쪽의 저장통(11)에는 일반EPS를 저장하고, 다른 한쪽의 저장통(12)에는 난연EPS를 저장시킨다. 그리고 각각의 저장통(11, 12)에서 배출되는 라인(11a, 12a)을 하나의 통합라인(15)으로 연결시키고, 각각의 배출라인(11a, 12a)의 끝지점에 정량조절밸브(11b, 12b)를 설치한다.In the manufacturing process of the styrofoam formed as described above, in the present invention, as shown in FIG. 2, the storage tank 10 is divided into two spaces, and the general EPS is stored in one storage container 11, and stored in the other storage container 12. Save flame retardant EPS. Then, the lines 11a and 12a discharged from the respective reservoirs 11 and 12 are connected to one integrated line 15, and the metering control valves 11b and 12b are connected to the end points of the respective discharge lines 11a and 12a. Install).

정량조절밸브(11b, 12b)는 일반EPS와 난연EPS의 혼합비율을 조절하기 위한 것으로, 본 발명에서 추구하는 EPS들의 혼합비율은 중량비율로 일반EPS가 20~30%이고, 난연EPS가 70~80%를 갖는다. 이때, 난연EPS가 70%미만이 되면 완성되는 난연스티로폼의 내화성이 떨어지게 되고, 난연EPS가 80%이상이 되면 완성되는 난연스티로 폼의 압축강도가 떨어져 건축자재로서의 역할을 하지 못하게 된다. 또한 난연EPS가 80%이상이 되면 난연스티로폼의 복원력이 떨어지게 되어 충격완화용으로 쓰이지 못하게 된다.Metering control valves (11b, 12b) is to adjust the mixing ratio of the general EPS and flame retardant EPS, the mixing ratio of the EPS pursuant to the present invention is a weight ratio of 20 to 30% general EPS, flame retardant EPS 70 ~ 80%. At this time, if the flame retardant EPS is less than 70%, the fire resistance of the finished flame retardant styrofoam is lowered, and if the flame retardant EPS is 80% or more, the compressive strength of the foam is reduced to the role of building materials. In addition, if the flame retardant EPS is more than 80%, the resilience of the flame retardant styrofoam is lowered, so that it cannot be used for shock mitigation.

이와 같은 비율로 혼합EPS가 발포기(20)로 투입된다. 발포기(20)는 작은 알갱이의 EPS를 팽화시켜 뻥튀기하는 것으로, 그 내부에는 서로 다른 EPS들을 잘 섞어주도록 교반장치가 구비되어있다.Mixed EPS is introduced into the foaming machine 20 at such a ratio. The foaming machine 20 is to swell the EPS by swelling the small grains, the inside is provided with a stirring device to mix different EPS well.

발포기에서 발포된 혼합발포EPS는 숙성조(30)로 이송되어 숙성된 후, 성형기(40)로 투입된다. 이때, 발포기(20)에서부터 성형기(40)까지의 이송은 배관을 통해 바람으로 이송된다.Mixed foamed EPS foamed in the foaming machine is transferred to the aging tank 30, aged, and then injected into the molding machine 40. At this time, the transfer from the foamer 20 to the molding machine 40 is transferred to the wind through the pipe.

한편, 본 발명에 따른 성형기(40)에는 EPS투입구외에 글라스울투입구가 더 형성된다. 즉, 글라스울의 투입은 전술한 바와 같이 난연성을 더 높이기 위해 난연EPS의 함량을 높이면 자재로서의 쓰임이 부족하기 때문에 글라스울을 더 첨가하여 보다 난연성이 높으면서 자재로서의 용도에 적합하도록 하기 위함이다.On the other hand, the molding machine 40 according to the present invention is further formed with a glass wool inlet in addition to the EPS inlet. In other words, the glass wool is added to increase the flame retardancy of the flame retardancy to increase the flame retardancy as described above, so that the use as a material is insufficient to add more glass wool to make it more suitable for use as a material.

이러한 글라스울투입구는 다른 저장조(50)에서 일정량이 저장된 후, 혼합발포EPS가 투입될때에 함께 투입되는데, 혼합발포EPS 대비 3~5부피%를 투입시킨다. 그리고 글라스울은 발포EPS들보다 더 작은 알갱이들로 구성되는데, 일예로 발포EPS는 직경이 3~4mm로 제공되는 것이 보통이고, 이러한 발포EPS에 직경이 0.5~1mm의 크기로 글라스울이 제공된다.The glass wool inlet is stored in a predetermined amount in the other storage tank 50, when the mixed foamed EPS is added together, 3 to 5% by volume compared to the mixed foamed EPS. The glass wool is composed of smaller grains than the foamed EPSs. For example, the foamed EPS is generally provided with a diameter of 3 to 4 mm, and the foamed EPS is provided with a glass size of 0.5 to 1 mm in diameter. .

글라스울의 함량이 3%미만일때에는 글라스울을 함유하여 난연성을 보강하기 위한 조건에 부적합하게 되고, 최소 3~5%가 적당하게 된다. 그리고 5%가 넘게 되 면, 글라스울의 과다 함유로 인해 성형기에서 다른 발포EPS들과 융착이 되지 않게 된다.When the glass wool content is less than 3%, glass wool is not suitable for reinforcing flame retardancy, and at least 3 to 5% is appropriate. If it exceeds 5%, the excessive content of glass wool prevents fusion with other foamed EPSs in the molding machine.

또한, 글라스울의 굵기는 적어도 1mm이하를 채택함이 바람직하고 0.5mm보다는 크게 제작됨이 바람직하다. 여기에서, 글라스울이 0.5mm보다 작게 되면 발포EPS들의 사이에 끼이지 않게 되어 접착이 되지 않는다. 즉, 글라스울은 성형기내에서 발포EPS들 사이에 들어가 서로 융착이 되어야 하는데, 글라스울이 너무 작으면 그 사이에 끼이지 않기 때문에 융착이 불가하게 된다.In addition, the thickness of the glass wool is preferably to adopt at least 1mm or less and is preferably made larger than 0.5mm. Here, when the glass wool is smaller than 0.5 mm, the glass wool is not stuck between the foamed EPSs and thus the glass wool is not adhered to. In other words, the glass wool should be fused between the foamed EPSs in the molding machine, but if the glass wool is too small, the glass wool will not be squeezed therebetween, and thus the glass wool will not be fused.

이렇게 추가되는 글라스울은 다른 발포EPS들의 사이에 융착되어 있어 기존처럼 글라스울이 비산되지 않게 됨으로 작업자들을 재해로부터 보호할 수 있게 된다.The added glass wool is fused between other foamed EPSs so that the glass wool is not scattered as before, thus protecting workers from disaster.

한편, 본 발명에 따른 성형기에서의 성형조건은 일반적인 발포EPS들의 성형과 비교할때에 온도, 압력, 스팀량 및 시간이 각각 10%정도씩 상향하여 성형하게 된다. 즉, 발포되지 않은 글라스울이 더 함유되어 발포물들 사이에 융착되어야 하기 때문에 적어도 10%이상의 성형조건을 더 유지하여야 하게 된다.On the other hand, the molding conditions in the molding machine according to the present invention is to be formed by increasing the temperature, pressure, steam amount and time by about 10% as compared to the molding of the general foamed EPS. That is, since the glass wool that is not foamed is further contained and fused between the foams, the molding conditions must be maintained at least 10% or more.

상기에서는 본 발명의 바람직한 실시예를 참조하여 설명하였지만, 해당기술분야의 숙련된 당업자는 특허청구범위에 기재된 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위내에서 본 발명을 다양하게 수정 및 변경시킬 수 있음을 이해할 수 있을 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. .

도 1은 일반적인 스티로폼의 제작공정을 나타낸 도면이고,1 is a view showing a manufacturing process of a typical styrofoam,

도 2는 도 1에 도시된 저장조를 본 발명에 맞게 설계한 도면이며, 그리고FIG. 2 is a view showing the storage tank shown in FIG. 1 according to the present invention; and

도 3은 본 발명에 따른 스티로폼의 제작공정을 나타낸 도면이다.3 is a view showing a manufacturing process of styrofoam according to the present invention.

Claims (4)

일반EPS : 난연EPS를 20~30중량% : 70~80중량%로 투입하여 발포하는 단계;General EPS: Flame retardant EPS 20-30% by weight: 70-80% by weight of the step of foaming; 발포된 혼합발포EPS를 숙성조에서 숙성하는 단계;Aging the foamed mixed foamed EPS in a aging tank; 숙성된 혼합발포EPS를 성형기에 투입하는 단계;Introducing the aged mixed foam EPS into a molding machine; 상기 성형기에 상기 혼합발포EPS 대비 3~5부피%로 글라스울을 더 첨가하여 성형하는 단계;를 포함하는 것을 특징으로 하는 난연스티로폼의 제조방법.And forming a glass wool by adding 3 to 5% by volume of the mixed foamed EPS to the molding machine. 제 1 항에 있어서, 상기 성형기는 일반EPS 성형조건의 온도, 압력, 스팀량 및 시간보다 10%를 상향시켜 성형됨을 특징으로 하는 난연스티로폼의 제조방법.The method of claim 1, wherein the molding machine is formed by increasing the temperature, pressure, steam amount and time of the general EPS molding conditions by 10%. 저장조(10), 발포기(20), 숙성조(30) 및 성형기(40)를 포함하는 난연스티로폼 제조장치에 있어서,In the flame retardant styrofoam manufacturing apparatus comprising a reservoir 10, a foaming machine 20, a aging tank 30 and a molding machine 40, 상기 저장조(10)는 구회하여 한쪽에는 일반EPS가 저장되는 저장통(11)과 다른쪽에는 난연EPS가 저장되는 저장통(12)으로 구성시키고, 상기 각각의 저장통(11, 12)에서 연장되는 배출라인(11a, 12a)을 하나의 통합라인(15)에 연결시키되, 각각의 배출라인(11a, 12a)의 끝부분에는 상기 일반EPS와 난연EPS의 혼합량을 조절하기 위한 정량조절밸브(11b, 12b)가 설치되며, 상기 성형기(40)에는 별도의 글라스울 저장조(50)에서 연결되는 글라스울 투입구를 더 형성함을 특징으로 하는 난연스티로폼 제조장치.The storage tank 10 is composed of a storage container 11 for storing the general EPS on one side and a flame retardant EPS on the other side, the discharge line extending from each of the storage containers (11, 12) (11a, 12a) is connected to one integrated line (15), each of the discharge line (11a, 12a) at the end of the fixed amount control valve (11b, 12b) for adjusting the mixing amount of the general EPS and flame retardant EPS Is installed, the molding machine 40, flame retardant styrofoam manufacturing apparatus characterized in that it further forms a glass wool inlet connected from a separate glass wool storage tank (50). 일반EPS : 난연EPS가 20~30중량% : 70~80중량%로 발포되고, 발포EPS들의 사이사이에 발포EPS 대비 3~5부피%의 글라스울이 함께 융착됨을 특징으로 하는 난연스티로폼.General EPS: Flame retardant EPS is foamed with 20 ~ 30% by weight: 70 ~ 80% by weight, and flame retardant styrofoam is characterized by fusion of 3 ~ 5% by volume glass wool compared to foamed EPS between foamed EPSs.
KR1020080113871A 2008-11-17 2008-11-17 Incombustible styrofoam KR20100054992A (en)

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Publication number Priority date Publication date Assignee Title
KR20230072625A (en) 2021-11-18 2023-05-25 (주)엠케이산업 The method of styrofoam with improvement of non-flammable and reductio of drying time

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230072625A (en) 2021-11-18 2023-05-25 (주)엠케이산업 The method of styrofoam with improvement of non-flammable and reductio of drying time

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