KR100194107B1 - New Foam Glass Manufacturing Method - Google Patents
New Foam Glass Manufacturing Method Download PDFInfo
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- KR100194107B1 KR100194107B1 KR1019960012015A KR19960012015A KR100194107B1 KR 100194107 B1 KR100194107 B1 KR 100194107B1 KR 1019960012015 A KR1019960012015 A KR 1019960012015A KR 19960012015 A KR19960012015 A KR 19960012015A KR 100194107 B1 KR100194107 B1 KR 100194107B1
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Abstract
발포유리(發泡유리, foam glass, multicelluar glass)란 균질한 독립기공조직으로 이루어진 유리로서, 기공율이 매우 높아 단열재, 흡음재 등으로 사용되는 재료이다. 발포유리는 미분의 유리가루와 적당량의 발포제를 혼합하여 이것을 가열하여 소결 및 발포시킨 후 서냉하므로서 제조된다. 이때 발포제로는 일반적으로 탄산칼슘(CaCO3), 돌로마이트(CaCO3·MgCO3), 카본(C), 실리콘카바이드(SiC) 등을 사용하는데 탄산칼슘이나 돌로마이트를 사용하는 경우에는 기공이 연속되어 통기성이 있는 스폰지 조직이 되어 경량이지만 흡수성을 갖는 결점이 있다. 또한 카본을 발포제로 사용한 경우에는 독립기공조직을 만들어 주기 위해서는 분당 30~50℃의 급속한 승온이 필요하다. 이러한 조건이 충족되지 않으면 독립기공이 손상되고 이상발포가 일어난다. 실리콘카바이드를 발포제로 하는 경우에는 1150℃ 이상의 고온에서 소성해야만 발포유리를 제조할 수 있다. 이상의 설명과 같은 단점을 보완하기 위하여 본 발명에서는 발포유리 제조에 있어서 수산화인산칼슘화합물(hydroxy apatite, calcium orthophosphate, dicalcium phosphate hydrate 등)을 발포제로 사용하여 발포유리를 제조하면 위의 설명과 같은 발포유리 제조상의 문제점들인 연속기공, 이상발포에 의한 형태변형, 급속한 승온, 고온소결 등을 해결할 수 있다.Foam glass (foam glass, multicelluar glass) is a glass composed of a homogeneous independent pore structure, and has a high porosity and is used as a heat insulating material and a sound absorbing material. Foamed glass is prepared by mixing finely ground glass powder with an appropriate amount of blowing agent, heating it, sintering and foaming, and then slow cooling. In this case, as the blowing agent, calcium carbonate (CaCO 3 ), dolomite (CaCO 3 · MgCO 3 ), carbon (C), silicon carbide (SiC), etc. are generally used.In case of using calcium carbonate or dolomite, the pores are continuously breathable. There is a drawback of being a lightweight but absorbent sponge structure. In addition, when carbon is used as a blowing agent, a rapid temperature increase of 30 to 50 ° C. per minute is required to form an independent pore structure. If these conditions are not met, the independent pores are damaged and abnormal foaming occurs. When silicon carbide is used as a blowing agent, foamed glass can be produced only by firing at a high temperature of 1150 ° C or higher. In order to compensate for the disadvantages as described above, in the present invention, when the foam glass is manufactured by using a calcium phosphate compound (hydroxy apatite, calcium orthophosphate, dicalcium phosphate hydrate, etc.) as a foaming agent, the foamed glass as described above It can solve the manufacturing problems such as continuous pores, deformation caused by abnormal foaming, rapid temperature rise, high temperature sintering.
Description
본 발명은 발포유리를 제조하는데 있어서 발포제에 관한 것이다. 발포유리(發泡유리, foam glass, multicelluar glass)란 균질한 독립기공조직으로 이루어진 유리로서, 기공율이 매우 높아 단열재로 사용되는 재료이다.The present invention relates to a blowing agent in the manufacture of foamed glass. Foam glass (foam glass, multicelluar glass) is a glass consisting of a homogeneous independent pore structure.
발포유리는 미분의 유리가루와 적당량의 발포제를 혼합하여 이것을 가열하여 소결 및 발포시킨 후 서냉하므로서 제조된다. 이때 발포제로는 일반적으로 탄산칼슘(CaCO3), 돌로마이트(CaCO3·MgCO3), 카본(C), 실리콘카바이드(SiC) 등을 사용하는데 탄산칼슘이나 돌로마이트를 사용하는 경우에는 기공이 연속되어 통기성이 있는 스폰지 조직이 되어 경량이지만 흡수성을 갖는 결점이 있다. 또한 카본을 발포제로 사용한 경우에는, 먼저 유리가 연화하여 발포제인 카본을 둘러싸고 그 후 카본이 산소공급성분과 결합하여 이산화탄소(CO2)가스를 발생하므로서 독립기공조직을 만들 수는 있지만 이를 위해서는 분당 30~50℃의 급속한 승온이 필요하다. 이러한 조건이 충족되지 않으면 독립기공이 손상되고 이상발포가 일어난다. 실리콘카바이드를 발포제로 하는 경우에는 1150℃ 이상의 고온에서 소성해야만 발포유리를 제조할 수 있다.Foamed glass is prepared by mixing finely ground glass powder with an appropriate amount of blowing agent, heating it, sintering and foaming, and then slow cooling. In this case, as the blowing agent, calcium carbonate (CaCO 3 ), dolomite (CaCO 3 · MgCO 3 ), carbon (C), silicon carbide (SiC), etc. are generally used.In case of using calcium carbonate or dolomite, the pores are continuously breathable. There is a drawback of being a lightweight but absorbent sponge structure. In addition, when carbon is used as a blowing agent, glass may be softened first to surround carbon, which is a blowing agent, and then carbon may be combined with an oxygen supply component to generate carbon dioxide (CO 2 ) gas, thereby forming an independent pore structure. A rapid temperature rise of ˜50 ° C. is required. If these conditions are not met, the independent pores are damaged and abnormal foaming occurs. When silicon carbide is used as a blowing agent, foamed glass can be produced only by firing at a high temperature of 1150 ° C or higher.
위와 같은 단점을 보완하기 위하여 본 발명에서는 발포유리 제조에 있어서 수산화인산칼슘화합물(hydroxy apatite, calcium orthophosphate, dicalcium phosphate hydrate 등)을 발포제로 사용하여 발포유리를 제조하면 위의 설명과 같은 발포유리 제조상의 문제점들인 연속기공, 이상발포에 의한 형태변형, 급속한 승온, 고온소결 등을 해결할 수 있다.In order to supplement the above disadvantages, in the present invention, when foamed glass is manufactured using a calcium phosphate compound (hydroxy apatite, calcium orthophosphate, dicalcium phosphate hydrate, etc.) as a foaming agent in the production of foamed glass, Problems such as continuous pores, deformation due to abnormal foaming, rapid temperature rise, high temperature sintering can be solved.
예를 들면 1㎜이하의 소다석회 유리분쇄물 혹은 폐유리분쇄물 혹은 유리연마슬러지 100중량부, 수산화인회석(hydroxy apatite, Ca5(PO4)3·OH) 2~40 중량부를 잘 혼합한 후, 프레스, 압출 등의 적당한 방법으로 조성물을 성형한 후 800~1000℃ 내외에서 열처리하면 소결 및 발포가 일어나 균질한 독립기공 조직의 발포유리를 얻을 수 있다. 발포유리 제조에 있어서 수산화인산칼슘화합물을 발포제로 사용했을 경우의 장점을 열거하면 다음과 같다. 1. 균질도 높은 독립기공조직의 발포유리가 얻어진다. 2. 독립기공의 균질도가 높으므로 강도가 크다. 3. 열처리 온도범위가 넓다. 4. 수산화인산칼슘화합물의 첨가량과 열처리 온도를 변화시킴으로서 독립기공의 양 및 크기를 조절할 수 있다.For example, 100 parts by weight of soda-lime glass ground or waste glass ground or glass polished sludge of 1 mm or less and 2-40 parts by weight of hydroxy apatite (Ca 5 (PO 4 ) 3 · OH) are mixed well. After forming the composition by a suitable method such as pressing, extrusion, and the like, heat treatment at about 800 to 1000 ° C. may cause sintering and foaming to obtain a homogeneous independent porous glass. The advantages of using a calcium phosphate compound as a blowing agent in foaming glass are listed as follows. 1. Highly homogeneous free-standing porous glass is obtained. 2. The strength is high because the homogeneity of independent pores is high. 3. The heat treatment temperature range is wide. 4. The amount and size of free pore can be controlled by changing the amount of added calcium hydroxide phosphate compound and heat treatment temperature.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960012015A KR100194107B1 (en) | 1996-04-19 | 1996-04-19 | New Foam Glass Manufacturing Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960012015A KR100194107B1 (en) | 1996-04-19 | 1996-04-19 | New Foam Glass Manufacturing Method |
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| Publication Number | Publication Date |
|---|---|
| KR970069916A KR970069916A (en) | 1997-11-07 |
| KR100194107B1 true KR100194107B1 (en) | 1999-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960012015A KR100194107B1 (en) | 1996-04-19 | 1996-04-19 | New Foam Glass Manufacturing Method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020023194A (en) * | 2001-12-26 | 2002-03-28 | 테크앤라이프 주식회사 | Method for manufacturing of foamed glass from a used glass and composition for same |
| KR101815240B1 (en) * | 2017-03-29 | 2018-01-05 | 청호환경개발주식회사 | Low impact development vegetation Soil Porous sand production method and vegetation soil composition including it |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100741227B1 (en) * | 2006-03-27 | 2007-07-19 | 서청교 | Lightweight heat insulator of foamed glass and method for producing the same |
| KR100799631B1 (en) * | 2006-06-13 | 2008-01-31 | 김종구 | Novel anti-fire and heat-protectable panel for constructure comprising of foam glass |
| KR100895693B1 (en) * | 2007-10-25 | 2009-04-30 | 류만근 | Method of vacuum foamed glass manufacture |
| CN106518139B (en) * | 2016-10-31 | 2019-07-12 | 武汉理工大学 | A kind of preparation method of insulating fire brick |
| US20220073416A1 (en) * | 2020-09-09 | 2022-03-10 | GlassWRX, LLC | Method for engineered polyphase cellular magmatics and articles thereof |
-
1996
- 1996-04-19 KR KR1019960012015A patent/KR100194107B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020023194A (en) * | 2001-12-26 | 2002-03-28 | 테크앤라이프 주식회사 | Method for manufacturing of foamed glass from a used glass and composition for same |
| KR101815240B1 (en) * | 2017-03-29 | 2018-01-05 | 청호환경개발주식회사 | Low impact development vegetation Soil Porous sand production method and vegetation soil composition including it |
Also Published As
| Publication number | Publication date |
|---|---|
| KR970069916A (en) | 1997-11-07 |
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