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A Study on Insulation·Fire Proof Materials Using Silica Aerogels
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 Title & Authors
A Study on Insulation·Fire Proof Materials Using Silica Aerogels
Cho, Myung Ho; Hong, Sungchul;
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In this study, silica aerogel-glass wool composites were developed for improvement of thermal conductivity and overcoming the water adsorption of glass wool boards. Silica aerogel-glass wool composites were prepared by glass wool and silica aerogel with liquid binder. Mixtures with binder were composed of CMC (carboxymethyl cellulose) and silica aerogel for glass wool board. Silica aerogel-glass wool composite boards were had density by impregnation silica aerogel where from origin glass wool board at density. Thermal conductivity of silica aerogel-glass wool composites were 0.0315 W/mK (up to 7.4% thermal resistance) and fire penetration time came to 362 seconds (up to 2.7 times stronger than origin glass wool board). In addition, hydrophobic aerogel characteristics prevented the adsorption of water onto silica aerogel-glass wool composite boards that was good for lightweight.
Board;glass wool;insulation;silica aerogel;thermal conductivity;
 Cited by
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