Bibliographic Details
| Title: |
Silica aerogel: A comprehensive review on its synthesis, properties and role in designing thermal insulation coatings. |
| Authors: |
Rajagopalan, Narayani1, Nayak, Chinmaya1 |
| Source: |
Paintindia. Nov2019, Vol. 69 Issue 11, p66-86. 11p. |
| Subjects: |
Silica gel, Thermal insulation, Insulating materials, Silica, Thermal conductivity, Surface coatings, Aerogels |
| Abstract: |
Aerogels due to its nano-sized porous structure possess properties which are fascinating as well as promising for a large number of technological applications. Aerogels are (< 100 nm) and hence possess extremely low density ( -0.003g/cm³) and solids with high porosity very low conductivity (~10mW/mK). Silica aerogel namely, has found profound interest among researchers and has been extensively studied for their thermal, mechanical and hydrophobic properties. They have 90% porosity with a thermal conductivity lower than that of air, and this makes silica aerogel an important media for conceptualising it as a highly insulating material. The present review focuses the various work done on silica aerogel based coatings and the functionality of silica aerogel as an insulating material. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
