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Aerogel Additives for Next Generation of Water Borne Insulative Coatings

Insulative coatings are prompting significant interest with increasing environmental and safety awareness and sensitivity to energy efficiency. Aerogels are the best thermal insulators in the world. Cabot’s aerogel has a thermal conductivity of 12mW/m-K (compared to still air or PU foam at 26mW/m-K) and is currently being used extensively in day lighting and oil & gas applications. 

Product Number: 41212-671-SG
Author: Dhaval Doshi, Catherine Norwood, James Pidhurney
Publication Date: 2012
Industry: Coatings
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$20.00
$20.00

Insulative coatings are prompting significant interest with increasing environmental and safety awareness and sensitivity to energy efficiency. Aerogels are the best thermal insulators in the world. Cabot’s aerogel has a thermal conductivity of 12mW/m-K (compared to still air or PU foam at 26mW/m-K) and is currently being used extensively in day lighting and oil & gas applications. The performance of aerogel is based on the unique pore structure of the particles that is not impacted by size reduction.  The presentation will discuss current technologies used to create different classes of insulative coatings and how Cabot’s silica aerogel products can be used to create the next generation of insulative coatings, providing asset protection, energy efficiency, and human comfort and safety. Basic formulation principles for water borne systems and data from thermal tests on sample coatings will be shared. The data shows the superior nature of the material’s thermal performance at work, reducing surface temperatures by >60°C for 200°C substrates. In addition, the properties of the particles enable superior safety in thin coatings, rendering a 300°C surface safe to touch.  Aerogel based thermally insulative coatings are complementary to IR reflective (low e) coatings and cases that show this synergy at work will be exemplified. Scenarios where an insulative coating can provide meaningful energy savings while alleviating concerns about corrosion under insulation.

Insulative coatings are prompting significant interest with increasing environmental and safety awareness and sensitivity to energy efficiency. Aerogels are the best thermal insulators in the world. Cabot’s aerogel has a thermal conductivity of 12mW/m-K (compared to still air or PU foam at 26mW/m-K) and is currently being used extensively in day lighting and oil & gas applications. The performance of aerogel is based on the unique pore structure of the particles that is not impacted by size reduction.  The presentation will discuss current technologies used to create different classes of insulative coatings and how Cabot’s silica aerogel products can be used to create the next generation of insulative coatings, providing asset protection, energy efficiency, and human comfort and safety. Basic formulation principles for water borne systems and data from thermal tests on sample coatings will be shared. The data shows the superior nature of the material’s thermal performance at work, reducing surface temperatures by >60°C for 200°C substrates. In addition, the properties of the particles enable superior safety in thin coatings, rendering a 300°C surface safe to touch.  Aerogel based thermally insulative coatings are complementary to IR reflective (low e) coatings and cases that show this synergy at work will be exemplified. Scenarios where an insulative coating can provide meaningful energy savings while alleviating concerns about corrosion under insulation.

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