KR100428885B1 - building materials molding metod used magnesium oxide - Google Patents

building materials molding metod used magnesium oxide Download PDF

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Publication number
KR100428885B1
KR100428885B1 KR10-2001-0033585A KR20010033585A KR100428885B1 KR 100428885 B1 KR100428885 B1 KR 100428885B1 KR 20010033585 A KR20010033585 A KR 20010033585A KR 100428885 B1 KR100428885 B1 KR 100428885B1
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South Korea
Prior art keywords
magnesium oxide
molding
blend
curing
heating device
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KR10-2001-0033585A
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Korean (ko)
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KR20020095542A (en
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건 희 서
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건 희 서
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Priority to KR10-2001-0033585A priority Critical patent/KR100428885B1/en
Priority to JP2003506825A priority patent/JP2004530627A/en
Priority to PCT/KR2002/001106 priority patent/WO2003000616A1/en
Priority to CNA028118227A priority patent/CN1533368A/en
Priority to RU2003135619/03A priority patent/RU2315024C2/en
Priority to AU2002309314A priority patent/AU2002309314B2/en
Priority to EP20020736249 priority patent/EP1395525A1/en
Publication of KR20020095542A publication Critical patent/KR20020095542A/en
Priority to US10/733,770 priority patent/US20040173928A1/en
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Publication of KR100428885B1 publication Critical patent/KR100428885B1/en

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/30Oxides other than silica
    • C04B14/304Magnesia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

본 발명은 산화마그네슘을 이용한 건자재 성형방법에 관한 것으로, 산화마그네슘을 별도의 식물성 재질 또는 광물성 재질과 배합하여 몰탈과 같은 상태의 배합물을 얻는 공정과; 상기 배합물을 압출기로 원하는 형상으로 압출 성형하는 공정과; 상기 압출성형된 성형물을 전방의 가열장치로 통과시켜 경화시키는 공정으로 구성함으로써, 산화마그네슘에 식물성 물질 또는 광물성 물질을 믹싱하여 경화시킨 제품이기 때문에 불에 잘 타지 않을 뿐만 아니라 연소시 공해 및 유독가스가 전혀 발생되지 않는 효과가 있다.The present invention relates to a method for forming a dry material using magnesium oxide, comprising: mixing magnesium oxide with a separate vegetable material or a mineral material to obtain a compound in a mortar-like state; Extruding the blend into a desired shape with an extruder; The extruded molded product is passed through a heating device in front to be cured, and thus it is hardly burned by fire and polluted and toxic gases when burned because it is a product that is cured by mixing vegetable or mineral materials with magnesium oxide. There is no effect at all.

Description

산화마그네슘을 이용한 건자재 성형방법{building materials molding metod used magnesium oxide}Building material molding method using magnesium oxide

본 발명은 산화마그네슘을 이용한 건자재 성형방법에 관한 것으로, 특히 가열히터가 내장된 압출금형으로 산화마그네슘을 주재료로 한 혼합물을 성형한 후 열을 가하여 신속하게 경화시킬 수 있도록 하고, 또 양면성형 및 정밀성형이 가능하며, 제조 공정수와 제품의 제조시간을 최대한 줄여 저렴한 비용에 높은 생산성을얻을 수 있도록 한 산화마그네슘을 이용한 건자재 성형방법에 관한 것이다.The present invention relates to a method for forming dry materials using magnesium oxide, and in particular, an extrusion mold with a built-in heating heater to mold a mixture composed of magnesium oxide as a main material, and then to be quickly cured by applying heat, and to double-side molding and precision. The present invention relates to a method for forming a dry material using magnesium oxide, which is capable of molding and obtains high productivity at a low cost by reducing the number of manufacturing processes and the manufacturing time of a product.

일반적으로 건축물은 크게 골조와 내외장재로 구분하는 바, 골조로 사용되는 건축자재로는 건물의 대상에 따라 다를 수 있지만 대표적으로 철근 콘크리트, 철골, 목재, 벽돌 등을 들 수 있고, 내외장재는 석고, 목재, 합성수지, 우레탄폼 등으로 구분할 수 있다.In general, the building is divided into frame and interior and exterior materials, but the building materials used for the frame may vary depending on the object of the building, but may include reinforced concrete, steel, wood, brick, etc. , Synthetic resins and urethane foams.

여기서, 골조와 내, 외장재는 안전을 위해 건물의 하중과 외부로부터의 충격을 견딜 수 있는 강도와 내부식성, 내열, 내연성, 단열성 등의 조건을 충족시켜야 한다.Here, the frame, interior and exterior materials must meet the conditions of strength and corrosion resistance, heat resistance, flame resistance, heat insulation, etc. to withstand the load of the building and the impact from the outside for safety.

많은 화재사고에서도 알 수 있듯이 내연성의 중요성은 널리 알려져 있는데, 대부분의 건자재는 내연성을 가지고 있다 하더라도 한계점 이상의 열을 받으면 연소가 될 뿐만 아니라 유독가스를 발산하여 화재사고시 질식사의 원인이 되는 등 안전성에 문제가 있었다.As can be seen from many fire accidents, the importance of flame resistance is widely known. Although most construction materials have flame resistance, they are not only burned when they receive heat above the threshold, but they also emit toxic gases and cause asphyxiation in fire accidents. There was.

특히 합성수지 제품에서 이러한 현상들이 많이 발생하고 있다.In particular, many of these phenomena occur in synthetic resin products.

상기한 바와 같은 사고를 예방하기 위해 현재 건자재의 선택시 안전 조건을 만족시킬 수 있도록 건축법에서도 그 규제를 강화하고 있는 실정이다.In order to prevent accidents as described above, the current law is strengthening the regulations in the building law to satisfy the safety conditions in the selection of construction materials.

상기한 건축법의 조건을 충족시키는 건자재들이 많이 있는데, 본 발명이 다루고자 하는 건자재로는 산화마그네슘이 있다.There are many building materials that satisfy the conditions of the building method described above, and the building materials to be dealt with by the present invention include magnesium oxide.

상기 산화마그네슘에 톱밥 등과 같은 식물성 재료를 첨가하여 양생시키면 훌륭한 건자재로 활용할 수가 있는데, 불연성 재질이기 때문에 화재시에도 안전할 뿐만 아니라 유독가스를 전혀 발생하지 않으며, 강도가 강한 장점이 있다.If the curing by adding a vegetable material such as sawdust to the magnesium oxide can be utilized as a good building material, because it is a non-flammable material is not only safe in the fire and does not generate toxic gas at all, has the strength strength is strong.

건자재를 성형함에 있어서도, 일반 건자재 성형물은 경화제로서 염화물을 혼합하여 성형하였으나, 염화물의 대기중의 습기를 빨아들이는 조해성(潮解性) 때문에 표면이 끈적끈적함을 느끼게 되는 결점이 있었다.In molding dry materials, the general dry material moldings were formed by mixing chloride as a curing agent, but there was a drawback that the surface became sticky due to the deliquescent property of sucking moisture in the air of the chloride.

이 때문에 본 발명이 취급하고자 하는 건자재는 경화제 즉, 염화물의 사용을 배제하여 일반 건자재 성형물이 가지고 있는 결점을 완전히 극복한 장점이 있다.For this reason, the construction material to be handled by the present invention has the advantage of completely overcoming the drawbacks of general building material moldings by eliminating the use of a curing agent, that is, chloride.

상기한 바와 같은 건자재는 콘크리트를 성형틀에 주형하여 몰딩성형하는 방법과 같이 소재에 톱밥 등을 물과 혼합하여 믹싱하여 여러 개의 형틀에 각각 주입한 다음 적정한 상온을 유지하는 양생실에 운반하여 콘크리트를 양생하는 방법과 같이 일정한 시간을 양생한 다음 탈형하는 순서로 제품을 생산한다.As described above, the building materials are molded by molding concrete into a molding mold and mixed with sawdust, etc., in water, mixed with water, injected into several molds, and then transported to a curing room that maintains an appropriate room temperature. The product is produced in the order of curing and demoulding like the curing method.

단순 몰딩성형으로 건자재를 성형함에 따라 노동력에 의존하는 여러 공정을 거치기 때문에 많은 시간과 노동력이 소요될 뿐만 아니라 자연건조에 따른 경화 그에 따른 많은 제조비용이 낭비될 뿐만 아니라 생산성이 떨어지는 폐단이 있었다.As the molding material is molded by simple molding, it takes a lot of time and labor because it goes through various processes depending on the labor force, and not only wastes a lot of manufacturing costs due to hardening due to natural drying, but also has a disadvantage of low productivity.

또한, 상기한 건자재 성형방법은 양면성형이 이루어지지 않아 일면성 제품에만 적용해야하고, 또 정교한 제품에는 적용하지 못하는 제약이 있었다.In addition, the above-mentioned building material molding method has to be applied only to one-sided products because the double-sided molding is not made, and there was a limitation that cannot be applied to sophisticated products.

하지만, 상기한 건자재 방법들은 제품생산시 재료를 믹싱하여 형틀에 붇고 이를 양생실로 운반하여 적재시키고 자연건조로 양생시킨 후 다시 운반하여 탈형하는 등 불필요한 여러 공정을 거치기 때문에 많은 시간이 소요될 뿐만 아니라 이와 같은 공정들은 모두 노동력을 이용하도록 되어 있어 많은 인력과 그에 따른 인건비가 소요될 뿐만 아니라 생산성이 떨어지는 폐단이 있었다.However, the above-mentioned building materials methods take a lot of time because they go through unnecessary processes such as mixing materials in the production of the product, placing them in a mold, transporting them to a curing room, loading them, curing them in natural drying, and transporting them again and demolding them. The processes are all labor-intensive, costing a lot of manpower and labor, as well as reducing productivity.

또한, 상기한 건자재 성형방법은 양생공정의 특성상 양면성형이 이루어지지않아 일면성 제품에만 적용해야 하고, 또 정교한 제품 생산에는 적용하지 못하는 제약이 있었다.In addition, the dry material molding method has to be applied only to one-sided products because the two-sided molding is not made due to the nature of the curing process, and there was a limitation that cannot be applied to the production of sophisticated products.

이와 같이 본 발명이 취급하고자 하는 산화마그네슘은 건축자재로서의 높은 장점을 많이 가지고 있음에도 불구하고, 상술한 바와 같이 노동력을 필요로 하는 단순 몰딩성형에 의존하는 등 제조 및 성형방법의 미개발에 의해 활성화되지 못하고 있는 실정이다.As described above, although magnesium oxide intended to be handled by the present invention has many advantages as a building material, it cannot be activated by undeveloped manufacturing and molding methods, such as relying on simple molding that requires labor as described above. There is a situation.

이는 건자재 성형은 몰딩성형으로만 제조할 수밖에 없다는 고정관념도 큰 역할을 했다고 볼 수 있다.It can be said that the stereotype that construction material molding can only be manufactured by molding molding also plays a big role.

이에 본 발명은 상기한 바와 같은 제문제점을 해결하기 위해 안출된 것으로써, 고온에서도 잘 타지 않는 불연성을 갖는 산화마그네슘을 주재료로 하여, 정밀한 성형이 가능하고, 제조 공정수와 제품의 제조시간을 최대한 줄여 저렴한 비용에 높은 생산성을 얻을 수 있으며, 운반공정과 같은 불필요한 공정을 최대한 줄이고, 공정을 수행하는데 필요한 시간을 최소한으로 하여 적은 작업인원으로도 최대의 생산성을 향상시킬 수 있도록 한 산화마그네슘을 이용한 건자재 성형방법을 제공하는데 그 목적이 있다.Accordingly, the present invention has been devised to solve the problems described above, and as a main material of magnesium oxide having incombustibility that does not burn well even at high temperatures, precise molding is possible, and the number of manufacturing steps and the production time of the product are maximized. It is possible to obtain high productivity at low cost, to minimize unnecessary processes such as conveying process, to minimize the time required to perform the process, and to use the magnesium oxide to improve the maximum productivity with a small number of workers. The purpose is to provide a molding method.

상기한 목적을 달성하기 위한 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법은 산화마그네슘을 별도의 식물성 재질 또는 광물성 재질과 배합하여 몰탈과 같은 상태의 배합물을 얻는 공정과; 상기 배합물을 압출기로 원하는 형상으로 압출 성형하는 공정과; 상기 압출성형된 성형물을 전방의 가열장치로 통과시켜 경화시키는 공정으로 구성함을 특징으로 한다.Drying material forming method using magnesium oxide according to the present invention for achieving the above object comprises the steps of obtaining a compound in a state such as mortar by combining magnesium oxide with a separate vegetable material or mineral material; Extruding the blend into a desired shape with an extruder; The extrusion molded product is characterized in that it consists of a process of curing by passing through a heating device in the front.

도 1은 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법에 사용되는 압출금형 구조를 도시한 단면도,1 is a cross-sectional view showing an extrusion mold structure used in the dry material forming method using magnesium oxide according to the present invention,

도 2는 도1의 A-A선 단면도.2 is a cross-sectional view taken along the line A-A of FIG.

-도면의 주요 부분에 대한 부호의 설명-Explanation of symbols on main parts of drawing

20 : 압출금형 21 : 이송컨베이어20: extrusion mold 21: transfer conveyor

22 : 가열장치 23 : 통로박스22: heating device 23: passage box

24 : 히터 26 : 차열막24: heater 26: heat shield

27 : 송풍기27: blower

이하, 본 발명을 첨부한 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

도 1은 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법에 사용되는 압출금형 구조를 도시한 단면도이며, 도 2는 도1의 A-A선 단면도이다.1 is a cross-sectional view showing the extrusion mold structure used in the building material forming method using magnesium oxide according to the present invention, Figure 2 is a cross-sectional view taken along line A-A of FIG.

이들 도면에 도시된 바와 같이, 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법은 산화마그네슘5 내지 80 중량부를 식물성 재질 또는 광물성 재질20 내지 95중량부를 섞어 배합물을 만든 후, 상기 배합물에 배합물 중량 대비 5 내지 50 중량부의 물을 가하여 젖은 분말 상태의 몰탈과 같은 상태의 배합물을 얻는 공정과; 상기 배합물을 압출기로 원하는 형상으로 압출 성형하는 공정과; 상기 압출성형된 성형물을 전방의 가열장치로 통과시켜 경화시키는 공정으로 구성한다.상기 식물성 재질 또는 광물성 재질은 보다 자세하게는 각각 식물성 분말 또는 섬유나 광물성 분말 또는 섬유를 지칭하는 것으로 이해될 수 있다.As shown in these drawings, the method of forming dry materials using magnesium oxide according to the present invention, after mixing 5 to 80 parts by weight of magnesium oxide 20 to 95 parts by weight of vegetable or mineral materials to make a blend, 5 to the weight of the blend in the blend Adding to 50 parts by weight of water to obtain a compound in a wet powder state such as mortar; Extruding the blend into a desired shape with an extruder; The extruded molded article is passed through a heating device in front to be cured. The vegetable material or the mineral material may be understood to specifically refer to vegetable powder or fiber or mineral powder or fiber, respectively.

여기서, 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법은 건축자재의 소재로 산화마그네슘을 이용하여 건자재로 제품화하고자 할 때에는 산화마그네슘에 톱밥이나 작은 입자형태의 식물성 소재 또는 화산재와 같은 광물성 재질를 물과 함께 적당한 배합비로 믹싱한다.Here, the method for forming dry materials using magnesium oxide according to the present invention is to use magnesium oxide as a building material to commercialize dry materials using magnesium oxide with mineral material such as sawdust or small particle vegetable material or volcanic ash with water. Mix at an appropriate blending ratio.

믹싱공정을 거친 배합물은 용도에 따라 압출기로 압력을 가하면서 성형한다.The blended compound is molded under pressure with an extruder, depending on the application.

성형된 성형물은 열을 가하여 양생시키는 공정을 거치며, 양생되어 경화되면 탈형공정을 거쳐 제품이 완성된다.The molded product is subjected to a curing process by applying heat, and when cured and cured, the product is completed through a demolding process.

특히, 압출기로 압출성형을 할 때는 압출장치의 압출구 바로 전방에 가열장치(22)가 설치되며, 이 가열장치(22)에 의해 압출성형된 성형물이 곧바로 가열장치(22)로 이송되어 열에 의해 신속히 경화되므로 가열장치(22)를 통과한 제품은 신속하게 완제품이 완성된다.In particular, in the case of extrusion molding with an extruder, a heating device 22 is installed directly in front of the extrusion port of the extruder, and the molded product extruded by the heating device 22 is immediately transferred to the heating device 22 by heat. Since the product is quickly cured, the product that has passed through the heating device 22 is finished quickly.

또한, 압출기로 압출될 때 높은 압력이 작용하기 때문에 성형된 제품은 표면이 매끄럽고 내부의 조직이 치밀하게 이루어지므로 표면이 매끄럽게 되어 외관이 미려한 제품을 얻을 수 있음과 동시에 정밀도가 높은 형상의 건자재를 얻을 수가 있다.In addition, since high pressure is exerted when extruded by the extruder, the molded product has a smooth surface and a dense internal structure, so that the surface is smooth to obtain a product with a beautiful appearance and at the same time obtain a high-precision construction material. There is a number.

한편, 가열장치(22)는 터널형태로 통로박스(23)가 길게 형성되고, 그 내부에 히터(24)가 설치되고, 상기 히터(24)는 온도조절기(미도시)를 통해 원하는 온도로 제어할 수 있으며, 히터(24)를 여러 단계로 구분하여 각 구간별 온도를 달리할 수도 있다.On the other hand, the heating device 22 has a passage box 23 is formed long in the tunnel form, the heater 24 is installed therein, the heater 24 is controlled to a desired temperature through a temperature controller (not shown) The temperature of each section may be different by dividing the heater 24 into several stages.

특히, 상기 가열장치(22)의 길이는 양생에 충분한 열을 받을 수 있을 정도의 길이를 가지며, 가열장치(22)의 전·후개구부에는 열이 외부로 새지 않도록 차열막(26)이 설치되어 있다.In particular, the length of the heating device 22 has a length enough to receive sufficient heat for curing, and the heat shielding film 26 is provided at the front and rear openings of the heating device 22 so that heat does not leak to the outside. have.

또한, 상기 가열장치(22)를 통과할 때 압출물에서 발생된 습기나 각종 가스를 외부로 방출시키기 위해 일측에 송풍기(27)가 설치되어 있다.In addition, a blower 27 is installed at one side to discharge moisture or various gases generated from the extrudate when passing through the heating device 22 to the outside.

상기한 바와 같은 구조의 압출기로 소재를 압출성형하면 성형된 압출물은 컨베이어(21)를 통해 터널형태의 가열장치(22)로 들어간다.When the material is extruded by the extruder having the structure as described above, the molded extrudate enters the tunnel-type heating device 22 through the conveyor 21.

상기 가열장치(22)의 내부에서는 양생에 적당한 열을 발산하여 압출물에 포함된 경화촉진제에 의해 신속하게 경화된다.The inside of the heating device 22 is quickly cured by a curing accelerator contained in the extrudate by dissipating heat suitable for curing.

이때, 각 구간별로 독립된 히터(24)를 각각 작동하여 압출물이 최대한 신속하게 경화될 수 있는 최상의 조건을 만족시키면 더욱 신속하게 경화된다.At this time, by operating each of the independent heaters 24 for each section, if the extrudate satisfies the best conditions that can be cured as quickly as possible to cure more quickly.

상기한 바와 같이, 제조된 건자재 제품은 강도가 높고, 불연성이며, 표면이 매끄러운 특징이 있는 작용효과가 있다.As described above, the manufactured dry material product has an effect of high strength, nonflammability, and smooth surface.

이상에서 설명한 바와 같이, 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법은 다음과 같은 효과가 있다.As described above, the method for forming a building material using magnesium oxide according to the present invention has the following effects.

첫째, 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법은 산화마그네슘에 식물성 물질 또는 광물성 물질을 믹싱하여 경화시킨 제품이기 때문에 불에 잘 타지 않을 뿐만 아니라 연소시 공해 및 유독가스가 전혀 발생되지 않는 효과가 있다.First, the dry material molding method using magnesium oxide according to the present invention is a product that is cured by mixing a vegetable or mineral material with magnesium oxide, so it does not burn well and does not generate pollution and toxic gases at all. have.

둘째, 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법은 상온에서 경화를 촉진시키는 물질을 포함되어 있어 압출성형시 열을 가하여 경화시키는 원리가 적용되므로 압출시 압출구의 전방에 설치된 가열장치에 의해 성형물이 가하여 경화되므로 양생시 양생공정에 필요한 시간을 최대한 줄일 수 있을 뿐만 아니라 닫힌 금형에 고압으로 압출하여 제조함으로써 양면성형이 가능하며, 조직이 세밀하므로 정교한 성형 및 외관이 미려한 성형을 이룰 수 있는 장점이 있다.Second, the dry material molding method using magnesium oxide according to the present invention includes a material that promotes curing at room temperature, so the principle of hardening by applying heat during extrusion molding is applied, so that the molded product is formed by a heating apparatus installed in front of the extrusion hole during extrusion. As it hardens by adding, it can reduce the time required for curing process as much as possible, and it is possible to make double-sided molding by extruding it to a closed mold at high pressure, and because the structure is fine, it has the advantage of achieving precise molding and beautiful molding. .

셋째, 본 발명에 따른 산화마그네슘을 이용한 건자재 성형방법은 열에 의한 빠른 양생이 가능하므로 양생을 위한 운반 및 적층시키는 공정을 줄이고, 공정을 수행하는데 필요한 시간이 최소로 줄어들며, 적은 작업인원으로도 생산성을 향상시킬 수 있는 효과가 있다.Third, the dry material molding method using magnesium oxide according to the present invention can be quickly cured by heat, thereby reducing the transport and lamination process for curing, the time required to perform the process is reduced to a minimum, and productivity with a small number of workers There is an effect that can be improved.

Claims (1)

산화마그네슘5 내지 80 중량부를 식물성 재질 또는 광물성 재질20 내지 95중량부를 섞어 배합물을 만든 후, 상기 배합물에 배합물 중량 대비 5 내지 50 중량부의 물을 가하여 젖은 분말 상태의 몰탈과 같은 상태의 배합물을 얻는 공정과;Magnesium oxide 5 to 80 parts by weight of a vegetable or mineral material 20 to 95 parts by weight of a mixture to make a blend, and then adding 5 to 50 parts by weight of water to the blend to obtain a blend in the form of a wet powder mortar and; 상기 배합물을 압출기로 원하는 형상으로 압출 성형하는 공정과;Extruding the blend into a desired shape with an extruder; 상기 압출성형된 성형물을 전방의 가열장치로 통과시켜 경화시키는 공정으로 구성함을 특징으로 하는 산화마그네슘을 이용한 건자재 성형방법.Drying material forming method using magnesium oxide, characterized in that it comprises a step of curing the extrusion molded product through a front heating device to cure.
KR10-2001-0033585A 2001-06-14 2001-06-14 building materials molding metod used magnesium oxide KR100428885B1 (en)

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KR10-2001-0033585A KR100428885B1 (en) 2001-06-14 2001-06-14 building materials molding metod used magnesium oxide
JP2003506825A JP2004530627A (en) 2001-06-14 2002-06-12 Building material molding method using magnesium oxide
PCT/KR2002/001106 WO2003000616A1 (en) 2001-06-14 2002-06-12 Method of forming building materials mostly consisting of magnesium oxide
CNA028118227A CN1533368A (en) 2001-06-14 2002-06-12 Method of forming building materials mostly consisting of magnesium oxide
RU2003135619/03A RU2315024C2 (en) 2001-06-14 2002-06-12 Method of molding building materials mainly containing magnesium oxide
AU2002309314A AU2002309314B2 (en) 2001-06-14 2002-06-12 Method of forming building materials mostly consisting of magnesium oxide
EP20020736249 EP1395525A1 (en) 2001-06-14 2002-06-12 Method of forming building materials mostly consisting of magnesium oxide
US10/733,770 US20040173928A1 (en) 2001-06-14 2003-12-12 Method of forming building materials mostly consisting of magnesium oxide

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