Aerogel is a solid with the lowest known density, it stands upto 2000 times greater load than its own weight. It has low thermal conductivity; the material is very suitable to limit the heat losses of buildings.Its meltingtemperature is 1200°C. Well dampens vibrations and sound. Aerogel is the only compound with significant thermal insulation capabilities, which is corrently well clear. For these reasons, it is possible to consider aerogel as amaterial of the future not only in construction, and therefore it is necessary to deal with this interesting material now.
2. CONTENT
INTRODUCTION
TYPES OF AEROGEL
SYNTHESIS OF AEROGEL
PROPERTIES OF AEROGEL
APPLICATIONS
HOME BUILDING AND INSULATION CHALLENGES
AEROGEL CONCRETE
AEROSAND
AERO ADDITIVES
SUPPLIERS
CONCLUSION
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3. INTRODUCTION
Nanostructured open pours
solids.
Made via sol-gel technology.
Created by SAMUEL
STEPHENS KISTLER.
Solid with lowest known density.
Stands up to 2000 times greater
load than its own weight.
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5. SYNTHESIS OF AEROGEL
“SOL-GEL PROCESSING”
Mixing of chemicals
Gelation
Drying
Final product
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6. PROPERTIES
Low density , High porosity.
Large sound absorption , Low sound
velocity.
Low thermal conductivity.
Variable refractive index.
Flexibility
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7. Contd….
No reaction with metallic melts up to
950°C.
Huge internal surface.
Surface can be functionalized.
Knudsen Effect.
Fracture strength.
Hardness
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12. HOME BUILDING AND
INSULATION CHALLENGES
Energy savings.
Regulation of indoor climate.
Light-weight material.
High fire protection.
Natural construction materials.
No colonization by fungi.
Low cost material.
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13. AEROGEL CONCRETE
Composite made from
Hydrophobic aerogel granulate.
Inorganic binder/matrix.
Binder/Matrix materials
Gypsum or plaster.
Cement.
Technical challenges
Extreme density difference.
Bonding strength aerogel matrix interface.
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22. Aerogel pieces & papers
Company: MarkeTech (USA)
Material:
Silica (TEOS:Methanol).
RF aerogel pieces and paper.
Carbon aerogel (pieces and paper).
Aerogel blankets
company: Aspensystems (USA)
material: fibre composite.
Silica-Aerogel on polymeric fiber.
Silica-Aerogel on glass fibers.
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23. CONCLUSION
Global market - 2006 $62 million 2011 $951
million.
Very low thermal conductivity.
Melting temperature 1200°C.
Well dampens vibrations and sound.
SO AEROGEL IS A MATERIAL OF FUTURE
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24. REFERENCE
Anjali Acharya, Vasudha A Gokhale, Deepa
Joshi,”AEROGEL – A Promising Building Material
for Sustainable Buildings”, Chemical and Process
Engineering Research ISSN 2224-7467 (Paper) Vol.9,
2013.
C. Buratti , E. Moretti, ”Experimental performance
evaluation of aerogel glazing systems” Department of
Industrial Engineering, University of Perugia, Via G.
Duranti 67, 06125 Perugia, Italy
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25. (Contd:- )
Tao Gao , Bjorn Petter Jelle , Stefan Jacobsen, Arild
Gustavsen ”Aerogel-incorporated concrete: An
experimental study”, – SCIENCE DIRECT
Optimizing insulation thickness and analysing
environmental impacts of aerogel-based thermal super
insulation in buildings – SCIENCE DIRECT.
Erdem Cuce, Pinar Mert Cuce, Christopher J. Wood,
Saffa B. Riffat, Cinzia Buratti , Elisa Moretti , Elisa
Belloni , and Fabrizio Agosti, “Development of
Innovative Aerogel Based Plasters: Preliminary
Thermal and Acoustic Performance Evaluation”
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