• 제목/요약/키워드: inorganic foam material

검색결과 21건 처리시간 0.027초

유리분말과 플라이애시를 사용한 내화성 경량 무기발포 소재 연구 (A Study of Fire-resistance Light-weight Inorganic Foam Material Using Cullet and Fly-ash)

  • 신현욱;송훈;추용식;이종규
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2011년도 추계 학술논문 발표대회
    • /
    • pp.79-81
    • /
    • 2011
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. This study focused on evaluation of the physical properties and fire-resistance of inorganic foam material for using industrial by-products materials for the applicability of Fire-resistance Light-weight material.

  • PDF

폐유리분말의 종류에 따른 무기발포체의 물리적 특성 (Physical properties of Inorganic Foam Materials Using by-product Cullet)

  • 신현욱;김지현;송훈;이종규
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2015년도 추계 학술논문 발표대회
    • /
    • pp.5-6
    • /
    • 2015
  • This study is to development of inorganic insulation material using by-product materials. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. In this study, cullet and fly ash were used as basic materials in order to secure a recycling technology of by-products which was mostly discarded and reclimed, and measure of physical properties of Inorganic foam material.

  • PDF

경량 무기 발포패널을 적용한 커튼월의 성능평가 (Performance Evaluation of Curtain-Wall Applying Light-weight Inorganic Foam Panel)

  • 신현욱;송훈;추용식;이종규
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2012년도 추계 학술논문 발표대회
    • /
    • pp.211-212
    • /
    • 2012
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. Technologies on energy saving and materials used in curtain walls have progressed with increase of high-rise and large buildings. However, there is little study to explain fire resistance performance of the curtain walls. This study focused on evaluation of the physical properties of light-weight inorganic foam panel for using industrial by-products materials and performance evaluation by mock up test.

  • PDF

Influence of SiO2 Content on Wet-foam Stability for Creation of Porous Ceramics

  • Bhaskar, Subhasree;Park, Jung Gyu;Cho, Gae Hyung;Seo, Dong Nam;Kim, Ik Jin
    • 한국세라믹학회지
    • /
    • 제51권5호
    • /
    • pp.511-515
    • /
    • 2014
  • The thermodynamic instability of bubbles in wet-foam colloidal suspension is due to the substantial area of their gas/liquid interface. Several physical processes lead to gas diffusion from smaller to larger bubbles, resulting in a coarsening and Ostwald ripening of wet foam. This includes a narrowing of the bubble size distribution. The distribution and microstructure of porous ceramics, the adsorption free energy and Laplace pressure of $Al_2O_3$ particle-stabilized colloidal suspension, and $SiO_2$ content were investigated for tailoring the bubble size. Wet-foam stability of more than 80% is related to the degree of hydrophobicity with contact angles of $62-70^{\circ}$ achieved from the surfactant. The contact angle replaces part of the highly energetic interface and lowers the free energy of the system. This leads to an apparent increase in the surface tension (26-33 mN/m) of the colloidal suspension.

무기발포체의 화재확산 방지용 외장재 적용을 위한 물성평가 (Physical Properties of Inorganic Foam Material for Exterior Fire Resistance Material)

  • 신현욱;김지현;송훈;추용식;이종규
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2016년도 춘계 학술논문 발표대회
    • /
    • pp.124-125
    • /
    • 2016
  • This study is to development of inorganic insulation material using by-product materials. The organic material is due to toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials.In this study, cullet and fly ash were used as basic materials in order to secure a recycling technology of by-products which was mostly discarded and reclimed, and measure of physical properties of light-weight ceramic insulator.

  • PDF

경량무기발포 세라믹보드 및 무기단열재의 함수율에 따른 단열특성 (Characteristic of Insulation with Moisture Content Light-weight Inorganic Foam Ceramic Board)

  • 신현욱;송훈;추용식;이종규
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2013년도 추계 학술논문 발표대회
    • /
    • pp.198-199
    • /
    • 2013
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The inorganic material has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. Technologies on energy saving and materials used in curtain walls have progressed with increase of high-rise and large buildings. However, there is little study to explain water resistance performance of the curtain walls. This study focused on evaluation of insulation of inorganic materials and performance evaluation by thermal conductivity.

  • PDF

경량 무기 단열재에 관한 연구 (A Study on Light-weight Inorganic Insulation)

  • 신현욱;송훈;추용식;이종규
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2012년도 춘계 학술논문 발표대회
    • /
    • pp.217-218
    • /
    • 2012
  • To prevent energy waste in buildings used heat insulator. Heat insulator materials can be classified inorganic and organic. The organic material is be toxic gas emission, when a fire occurs. And it has lower water resistance. The inorganic material is heavy and worse thermal performance than organic materials. This study focused on thermal conductivity and density of inorganic foam material for using industrial by-products materials.

  • PDF

물유리코팅에 따른 폴리우레탄 폼의 난연성능 개선에 대한 연구 (Improvement of Flame-Retardant Performance of Polyurethane Foam Coated with Water Glass)

  • 김형준;박제원;나혜인;임형미;장가빈
    • 한국화재소방학회논문지
    • /
    • 제34권2호
    • /
    • pp.7-13
    • /
    • 2020
  • 경질 폴리우레탄(Polyurethane) 폼(Foam)의 난연 성능을 개선하기 위하여 외부에 물유리를 코팅하였다. 무기질인 물유리 코팅층이 적용된 우레탄폼의 콘칼로리메터의 열방출율(Heat release rate)은 급격히 감소하였다. 폴리우레탄 표면에 코팅된 물유리는 화염에 노출되었거나 가열되었을 때 유리화 반응과 미 탈출 수분에 의한 발포현상으로 인해 유리질 폼을 형성하게 된다. 폴리우레탄 폼 위에 형성된 유리질 폼은 단열층이 되어 10 min 이상 폴리우레탄 폼의 연소를 억제하였다. 이러한 결과에 따라서 물유리는 경질 폴리우레탄 폼의 난연 특성을 개선할 수 있음을 확인하였다.

발포공정을 이용한 경량의 연질 세라믹 보온단열재의 제조 (Preparation of Flexible and Light Thermal Insulating Ceramic Composites Using Foaming Technology)

  • 이철태
    • 공업화학
    • /
    • 제26권1호
    • /
    • pp.59-66
    • /
    • 2015
  • 본 연구는 유기계 보온단열재의 장점인 경량성과 연질특성을 갖는 무기계 보온단열재의 제조를 위한 새로운 개념의 무기질 저온 발포 공정에 관한 것이다. 새로운 무기질 발포 공정은 섬유상인 해포석 및 규산알루미늄으로 하여금 발포체의 골격을 형성토록 하고, 저온에서 기체 발생이 가능한 발포제를 사용하여 무기질 섬유상 골격체가 팽창되어 공동을 형성하게 하며, 이 형성된 공동 속에 낮은 열전도도를 갖는 무기질 다포체인 팽창진주암을 채우는 것이다. 총괄적으로 무기질 재료를 고온 용융함이 없이 저온에서 무기질 발포체의 제조가 가능하게 된다. 이를 위해서 섬유상인 해포석의 해섬처리과정, 발포를 위한 섬유상 슬러리의 열처리공정 등 다양한 준비공정이 필요하며, 열처리 전 슬러리의 최적 조성물 조건이 요구된다. 제조된 발포체는 경량, 연질의 보온단열재로서의 겉보기 밀도, 내력 강도, 굽힘강도, 고내열성 등의 물성을 보여주었다.

독립기포형태 기포제를 활용한 기압에 따른 강도 변화에 대한 논문 (A Study on the Strength Variation According to the Air Pressure Using the Independent Bubble Type Foaming Agent)

  • 유남규;홍상훈;서은석;김해나;김봉주
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2018년도 추계 학술논문 발표대회
    • /
    • pp.19-20
    • /
    • 2018
  • As energy related problems continue to arise, Korea's thermal insulation market for the zero energy homes is also demanding major changes, but there are no realistic countermeasures. Also, interest in inorganic insulation is growing as damage from multifamily housing fire using flammable insulation materials is increasing. On the other hand, many studies have been conducted on lightweight foam concrete, which implies a sufficient possibility as an insulation material by generating a large amount of air bubbles. However, studies of existion bubble concrete are not quantified by the experimental difficulty of using bubbles when compared. Therefore, in this study, the change in strength due to air pressure using a bubble foam, one of the types of air bubbles for the development of light foam concrete.

  • PDF