KR100864130B1 - Compound ceramic and its manufacturing process - Google Patents
Compound ceramic and its manufacturing process Download PDFInfo
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- KR100864130B1 KR100864130B1 KR1020080013761A KR20080013761A KR100864130B1 KR 100864130 B1 KR100864130 B1 KR 100864130B1 KR 1020080013761 A KR1020080013761 A KR 1020080013761A KR 20080013761 A KR20080013761 A KR 20080013761A KR 100864130 B1 KR100864130 B1 KR 100864130B1
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Abstract
Description
본 발명은 기능성 합성 세라믹 및 이의 제조방법에 관한 것이다. 본 발명의 세라믹은 겔 상의 비정형성 상태의 물질로서 다양한 가공의 가능성을 가짐으로써 다양한 산업분야에서의 활용이 가능한 장점을 가진다.The present invention relates to a functional synthetic ceramic and a method of manufacturing the same. Ceramic of the present invention has the advantage that can be used in a variety of industries by having a variety of processing possibilities as an amorphous state of the material on the gel.
따라서 본 발명의 합성 세라믹을 건조하여 분말로 가공하여 석유류의 정제시 탈색제로 사용할 수 있다. 그리고 합성 세라믹을 볼이나 필렛 등 다양한 형태로 성형 및 건조하여 탈취제, 방습제, 제습제 등으로 사용할 수 있다. 또한 합성 세라믹을 판재나 타일 등의 형태로 성형 및 건조하여 건축물의 내장재나 각종 실내 인터리어용으로 사용하여 탈취, 습도조절, 방음, 살균, 공기 정화 등의 기능을 위해 사용할 수 있다.Therefore, the synthetic ceramic of the present invention can be dried and processed into a powder to be used as a bleaching agent when refining petroleum. The synthetic ceramics may be molded and dried in various forms such as balls or fillets and used as deodorants, desiccants, and dehumidifiers. In addition, synthetic ceramics may be molded and dried in the form of plates or tiles to be used for interior materials of buildings or various interior areas, and may be used for deodorization, humidity control, sound insulation, sterilization, and air purification.
공기 정화 또는 탈취를 위한 다양한 건축물의 내장재가 개발되어 있는데, 주로 다공성을 가진 석고, 화산재, 목재 등이 사용된다. 이와 같이 건축물의 내장재 는 내벽을 마감하거나 장식용으로 사용되고, 인테리어의 용도로 사용되기도 한다. 이러한 내장재로서는 타일, 벽돌, 벽지, 나무판 등 다양하고, 그 각각은 장식성은 물론이고 휘발성 유기 화합물의 흡착, 탈취, 습도 조절 등의 기능을 하도록 제조된다.Various interior materials have been developed for air purification or deodorization. Porous gypsum, volcanic ash and wood are used. As such, the interior materials of buildings are used for finishing interior walls or for decoration, and for interior purposes. Such interior materials are various, such as tiles, bricks, wallpaper, wooden boards, each of which is manufactured to function as well as decorative, adsorption, deodorization, humidity control of volatile organic compounds.
타일이나 벽돌 등의 경우는 황토 등의 재료를 일정 형상으로 성형하여 1,000℃ 이상에서 소성하여 제조하고, 나무판 등은 천연목이나 합성목 등을 일정 형상으로 성형하거나 가공하여 사용한다. 이와 같이 건축물의 내장재는 다양한 재료와 기능을 가지는 것으로 제조되고, 다양한 목적으로 사용된다.In the case of tiles or bricks, materials such as ocher are molded into a predetermined shape and fired at 1,000 ° C. or higher, and wooden boards are used by molding or processing natural wood or synthetic wood into a predetermined shape. As such, the interior materials of buildings are manufactured with various materials and functions, and are used for various purposes.
그리고 종래의 경우 석유류의 정제시 탈색제로 사용되는 물질로서는 마그네솔(마그네슘실리케이트)이 있다.In the conventional case, a substance used as a bleaching agent in the refining of petroleum is magnesium (magnesium silicate).
본 발명은 탈색, 탈취, 방음, 제습, 가습 등의 기능을 하여 다양한 산업 분야에서 적합하게 가공하여 사용할 수 있도록 하는 원재료의 제공에 목적이 있다. 즉 석유류의 정제시에는 건조시켜 분말로 이용할 수 있고, 다양한 목적의 건축물 내장재나 탈취 등의 목적으로 이용하고자 하는 경우 다양한 모양으로 성형 및 건조시킬 수 있도록 비정형 상태의 겔 상인 세라믹과 이를 제조하는 방법을 제공함에 목적이 있다.An object of the present invention is to provide a raw material that can be processed and used suitably in various industrial fields by functions such as decolorization, deodorization, sound insulation, dehumidification, and humidification. In other words, when refining petroleum, it can be dried and used as a powder, and if you want to use it for various purposes such as building interior materials or deodorization, etc. The purpose is to provide.
본 발명은 다양한 형상으로 성형하여 사용할 수 있는 비정형성의 겔 상의 세라믹과 이의 제조방법이 제공된다. 즉, NaOH와, Al(OH)3, Na2SiO3, H2O, Al2(SO4)324H2O가 반응 당량 비율로 혼합되어 생성된 케익(겔) 성상의 비정형의 세라믹 Na2OAl2O3SiO2xH2O과; NaOH와, Al(OH)를 1차 반응시켜 알루민산소다(NaAlO2)를 제조하고, 알루민산소다(NaAlO2)에 Na2SiO3xH2O와 Al2(SO4)324H2O를 반응시켜 겔 상의 세라믹 Na2OAl2O3SiO2xH2O를 얻는다.The present invention provides an amorphous gel-like ceramic and its manufacturing method which can be molded and used in various shapes. I.e., NaOH and, Al (OH) 3, Na 2 SiO 3, H 2 O, Al 2 (SO 4) 3 24H 2 O The ceramic Na 2 atypical of mixed cake (gel), the aqueous phase produced is a reaction equivalent ratio OAl 2 O 3 SiO 2 xH 2 O; NaOH and, to the Al (OH) 1-order reaction the aluminate soda (NaAlO 2) to make and, aluminate soda (NaAlO 2) to the Na 2 SiO 3 xH 2 O and Al 2 (SO 4) 3 24H 2 O The reaction is carried out to obtain ceramic Na 2 OAl 2 O 3 SiO 2 xH 2 O on a gel.
본 발명에 의한 겔 상의 비정형 상태의 세라믹은 다양한 형태로 가공하여 다양한 산업분야에서 다양한 목적으로 사용될 수 있는 효과가 있다. 즉, 본 발명의 세라믹을 건조하여 분말로 가공한 경우 석유류의 정제시 탈색제로 사용할 수 있고, 볼이나 필렛 등의 형태로 성형하고 건조시켜 탈취제나 살균제나 제습 및 가습제로 사용할 수 있으며, 타일이나 벽돌 등 다양한 형태로 성형하고 건조시켜 건축물의 내장재나 인테리어용으로 사용하되 탈취, 공기정화, 살균 등의 목적으로 사용할 수 있게 된다. 그리고 석유정제시 탈색제로 사용하는 경우 MgO를 첨가하거나, 살균을 위한 목적으로 사용할 경우 AgO를 첨가하는 등 그 기능의 확장성이 큰 장정을 가진다. 뿐만 아니라 종래의 건축물 내장재는 1,000℃ 이상에서 소성하여 제조하였으나 본 발명은 상온에서 건조하더라도 종래의 건축 내장재와 같은 물성을 거질 수 있으므로 제조가 용이하고 소성에 필요한 에너지를 절감할 수 있는 효과가 있게 된다.The amorphous ceramic on the gel according to the present invention has the effect that can be used for various purposes in a variety of industries by processing in various forms. That is, when the ceramic of the present invention is dried and processed into powder, it can be used as a bleaching agent when refining petroleum, and can be molded and dried in the form of a ball or a fillet to be used as a deodorant, a disinfectant, a dehumidifying or humidifying agent, a tile or a brick It can be molded and dried in various forms and used for interior or interior of buildings, but can be used for deodorization, air purification, and sterilization. In the case of petroleum refining, when it is used as a bleaching agent, MgO is added or when used for the purpose of sterilization, AgO is added. In addition, the conventional building interior materials are manufactured by firing at 1,000 ℃ or more, but the present invention can have the same properties as the conventional building interior materials even if dried at room temperature, it is easy to manufacture and has the effect of reducing the energy required for firing. .
본 발명은 NaOH, Al(OH)3, Na2SiO3, H2O, Al2(SO4)324H2O를 반응 당량 비율로 혼합하여 겔 상의 비정형 세라믹인 Na2OAl2O3SiO2xH2O를 얻는 방법이다. 여기서 비정형이란 내부 결정구조가 일정하지않는 것을 의미하는 것으로, 기공 등의 내구 구조가 균일한 정형과 대비되는 개념이다.In the present invention, NaOH, Al (OH) 3 , Na 2 SiO 3 , H 2 O, and Al 2 (SO 4 ) 3 24H 2 O are mixed in an equivalent weight ratio to form an amorphous ceramic on a gel Na 2 OAl 2 O 3 SiO 2 This is how to obtain xH 2 O. Here, atypical means that the internal crystal structure is not constant, and is a concept in which durable structures such as pores are contrasted with uniform shaping.
상기의 재료는 각각의 독립된 단계에서 순차적으로 반응하고, 다음과 같은 단계를 가진다.The above materials react sequentially in each independent step and have the following steps.
제 1단계는 NaOH와 Al(OH)3을 반응시키는 단계이다. 이의 반응식은 다음과 같다.The first step is to react NaOH with Al (OH) 3 . The reaction scheme is as follows.
반응식 1 : NaOH + Al(OH)3 → NaAlO2 + H2OScheme 1: NaOH + Al (OH) 3 → NaAlO 2 + H 2 O
상기의 반응 온도는 80~100℃로 관리함이 바람직하다. 그리고 생성물인 NaAlO2는 알루민산소다로서 물에 용해되어 있는 상태에서 석출된다. 따라서 제 1단계는 Al이 포함된 분말 상태의 Al(OH)3을 액상의 물질(NaAlO2)로 변환시키기 위함이고, 특히 Al을 포함한 액상 물질을 얻고자 함에 주목적으로 한다. 즉 액상으로 하여야만 이후 단계에서 Si가 포함된 액상의 물질(물유리, Na2SiO3xH2O)와 반응시킬 수 있기 때문이다.It is preferable to manage said reaction temperature at 80-100 degreeC. The product NaAlO 2 precipitates in the state of being dissolved in water as sodium aluminate. Therefore, the first step is to convert Al (OH) 3 in a powder state containing Al to a liquid substance (NaAlO 2 ), and is primarily intended to obtain a liquid substance containing Al. That is because only in the liquid phase it can react with the liquid material (water glass, Na 2 SiO 3 x H 2 O) containing Si in a later step.
제 2단계는 제 1단계의 결과물에 규산소다(물유리)를 반응시키는 단계로, 반응식은 아래와 같다.In the second step, sodium silicate (water glass) is reacted with the resultant of the first step.
반응식 2 : NaAlO2 + Na2SiO3xH2O + Al2(SO4)324H2O → Na2OAl2O3SiO2xH2O + Na2SO4 Scheme 2: NaAlO 2 + Na 2 SiO 3 xH 2 O + Al 2 (SO 4) 3 24H 2 O → Na 2 OAl 2 O 3 SiO 2 xH 2 O + Na 2 SO 4
사용된 NaAlO2와 Na2SiO3xH2O는 액상의 상태로 용이하게 반응하고, 주 목적은 Al과 Si를 포함하는 세라믹을 얻고자 함에 있다. 즉 규산소다인 Na2SiO3xH2O에 포함된 Si를 주목적으로 한다. 규산소다는 물의 양을 조절(x)하여 적당한 농도를 맞출 수 있다.The used NaAlO 2 and Na 2 SiO 3 xH 2 O react easily in a liquid state, and the main purpose is to obtain a ceramic containing Al and Si. That is, the main purpose is Si contained in sodium silicate Na 2 SiO 3 xH 2 O. Sodium silicate can be adjusted to the appropriate concentration by adjusting the amount of water (x).
Al2(SO4)324H2O는 산성용액으로서 PH를 조절하기 위하여 사용되는 것으로, 이에 포함된 SO4와 알칼리성인 NaAlO2의 Na를 결합시켜 망초(Na2SO4)를 생성시킴으로써, PH 8~9 정도가 되도록 한다.Al 2 (SO 4 ) 3 24H 2 O is used to adjust the pH as an acidic solution, and combines the SO 4 and the Na of NaAlO 2 alkaline to form a forage (Na 2 SO 4 ), Make it about 8-9.
상기의 반응을 향상시키기 위하여 20~50℃를 유지시키는 것이 바람직하고, 이 온도는 상온임에 특징이 있다. 즉, 반응 향상을 위한 고온으로 가열할 필요가 없어 에너지 절감의 효과가 있다. 그리고 상기 온도에서 약 4~6시간 반응시킨다. 그리고 반응을 위해 적절하게 교반을 행하면 된다.It is preferable to maintain 20-50 degreeC in order to improve said reaction, and this temperature is characterized by normal temperature. That is, there is no need to heat to a high temperature for improving the reaction has the effect of saving energy. And it is reacted for about 4 to 6 hours at this temperature. And what is necessary is just to perform stirring suitably for reaction.
반응이 종료되면, 겔 상의 세라믹인 Na2OAl2O3SiO2xH2O와 액상의 망초(Na2SO4)를 얻게 된다.After the reaction is completed, Na 2 OAl 2 O 3 SiO 2 xH 2 O, which is a ceramic gel, and a liquid manganese (Na 2 SO 4 ) are obtained.
제 3단계는 제 2단계의 결과물을 필터링하여 겔 상의 세라믹인 Na2OAl2O3SiO2xH2O를 얻고, 액상의 망초(Na2SO4)는 부산물로 회수하는 단계이다. 세라믹인 Na2OAl2O3SiO2xH2O은 침전되므로 액상만 걸러 주면 된다.In the third step, the resultant of the second step is filtered to obtain Na 2 OAl 2 O 3 SiO 2 xH 2 O, which is a ceramic on a gel, and the liquid manganese (Na 2 SO 4 ) is recovered as a by-product. Since ceramic Na 2 OAl 2 O 3 SiO 2 xH 2 O is precipitated, it is only necessary to filter the liquid phase.
이상과 같이 본 발명의 세라믹은 겔 상으로 제조되고, 다양한 산업분야에 적합하도록 다양한 방법으로 가공하여 활용된다. 가공의 방법에 있어서 본 발명의 특징 중의 하나는 소성시키지 않고 건조만시켜도 종래의 소성된 것과 같은 물성을 가 지는 데 있다.As described above, the ceramic of the present invention is manufactured in a gel form and processed by various methods to be suitable for various industrial fields. One of the characteristics of the present invention in the method of processing is that it has the same physical properties as conventionally fired even if it is dried without firing.
우선, 본 발명의 세라믹을 석유류의 정제시 탈색제로 사용하는 경우는, 겔 상의 세라믹 Na2OAl2O3SiO2xH2O을 300℃ 이하에서 건조시킨 후 이를 분말로 하여 사용한다. 이 때 석유류 정제시의 탈색을 향상시키기 위하여 Na2OAl2O3SiO2xH2O 사용중량에 대하여 1~10％의 MgO를 추가할 수 있다First, in the case where the ceramic of the present invention is used as a decolorizing agent for refining petroleum, the ceramic ceramic Na 2 OAl 2 O 3 SiO 2 xH 2 O is dried at 300 ° C. or lower and used as a powder. At this time, in order to improve the discoloration during petroleum refining, 1-10% MgO may be added to the Na 2 OAl 2 O 3 SiO 2 xH 2 O working weight.
그리고 탈취제 또는 건축물의 내장재로 활용하고자 하는 경우는, 겔 상의 세라믹 Na2OAl2O3SiO2xH2O을 볼, 필렛, 직사각형의 판체 등 다양한 형상으로 성형하고, 이를 300℃ 이하에서 건조시켜 사용한다. 이 때 항균성을 향상시키기 위하여 Na2OAl2O3SiO2xH2O 사용중량에 대하여 1~10％의 AgO를 추가할 수 있다.And if you want to use as a deodorant or interior material of the building, the ceramic Na 2 OAl 2 O 3 SiO 2 xH 2 O on the gel is molded into various shapes such as ball, fillet, rectangular plate, and dried at 300 ℃ or less to use do. In this case, in order to improve antimicrobial activity, 1-10% AgO may be added to the Na 2 OAl 2 O 3 SiO 2 xH 2 O working weight.
또한 석유류의 정제시나 탈취제 및 건축물 내장재로 활용하는 어떠한 경우라도 색상을 위하여 무기 안료를 혼합하여 사용할 수도 있다. 무기 안료의 사용량은 발색되는 정도에 따라 가감할 수 있는 것으로, 그 사용량의 특정은 의미 없는 것으로 한다.In addition, the inorganic pigments may be mixed for petroleum refining or any case used as a deodorant and a building interior material. The usage-amount of an inorganic pigment can be added or subtracted according to the color development, and the specification of the usage-amount shall be meaningless.
다양하게 성형되는 형태는 작은 구의 형상(직경 1~10mm), 작은 원기둥인 필렛 형상(직경 1~10mm, 높이 5~30mm 등 다양함), 직사각 판체 등 다양하게 할 수 있다.The various shapes can be varied such as small sphere shape (diameter 1-10mm), small cylindrical fillet shape (various diameters 1-10mm, height 5-30mm, etc.), rectangular plate body.
이와 같이 제조된 세라믹 제품은 다양하게 가공 또는 성형되어 건축 내장재뿐만 아니라 인테리어 등 다양하게 활용되고, 내부 미세 기공에 의한 탈취, 습도 조절, AgO의 사용시 은에 의한 살균 작용 등 그 활용도가 크다.The ceramic products manufactured as described above are processed or molded in various ways and used not only for building interior materials but also for interiors, and are highly utilized for deodorization by internal micro pores, humidity control, and sterilization by silver when AgO is used.
다양한 형태로 성형된 제품의 포름알데히드 등의 탈취력은 다음과 같다.Deodorizing power of formaldehyde and the like of the molded product in various forms are as follows.
아래의 시험은 한국생활환경사험연구원에서 KS M 0062:2003에 의해 시험되고, 탈취 용기는 5리터이고 시료량은 300g 또는 200g이다. The following test is tested by KS M 0062: 2003 at Korea Research Institute for Living Environment. The deodorization container is 5 liters and the sample volume is 300g or 200g.
1) 포름알데히드 탈취력 (시료량 300g)1) Formaldehyde deodorizing power (sample amount 300g)
2) 암모니아 탈취력 (시료량 300g)2) Ammonia deodorizing power (sample amount 300g)
3) 메틸머캅탄 탈취력 (시료량 200g)3) Methylmercaptan deodorizing power (sample amount 200g)
4) 황화수소 탈취력 (시료량 200g)4) Hydrogen sulfide deodorizing power (sample amount 200g)
5) 트리메틸아민 탈취력 (시료량 200g)5) Trimethylamine deodorizing power (sample amount 200g)
6) 맘모니아 탈취력 (시료량 200g)6) Mammonia deodorizing power (sample amount 200g)
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| KR950005366A (en) * | 1993-08-05 | 1995-03-20 | 박태영 | Method for preparing zeolite adsorbent with improved specific surface area |
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