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Why Aerogels?
Aerogels are a class of materials, often considered as a state of matter on their own which are prepared via a sol-gel process followed by drying. By definition, an aerogel is a gel in which the liquid phase has been replaced by a gas in such a way that the solid network is being retained with only a slight or no shrinkage in the gel. In consequence, an open-cell network consisting of nano-sized pores is developed thereby unfolding further numerous exceptional characteristics. Within the class of aerogels, silica aerogel which is the porous nanostructured form of silica dioxide, exhibits the most fascinating properties such as low thermal, ultralow bulk density, optical transparency in the visible spectrum, high specific surface area, low dielectric constant, low refractive index and low sound velocity. Initially, at the time of invention by Samuel Kistler in 1931, supercritical drying was opted to dry the gel and the same drying approach is still being adopted by manufacturers. However, ours is synthesized using an innovative route which employs ambient drying and utilizes either Rice Husk Ash (RHA) or Granulated Blast Furnace Slag (GBFS) as the sources of silica, making our Aerowder® an ecological product. At AEROGEL+, aerogels are made green and affordable.
Silica aerogel was firstly employed as a hypervelocity capture particle and thermal insulator for astronautical missions. The thermal insulation ability of this space-age material was immediately appraised but it remained within the reach of scientific investigations due to its colossal manufacturing cost. With intensive effort during decades, aerogels have paved its way to commercialisation and AEROGEL+ is part of it, humbly. Nevertheless, being commonly manufactured in powder form, they are required to be tailored innovatively to harness its full potential to bring forward novel concepts which could address relevant challenges. With the continuous rise in energy consumption over the globe, proliferating energy charges due to the limited supply of fossil fuels plus global warming and climate issues, both governments and industry sectors supported by the academia are pursuing for alternative or improved thermal systems by employing high performance insulative materials. Silica aerogel, being the best thermal insulator which has ever existed, is thought to be the most promising candidate, if made affordable. Furthermore, we sincerely believe that our 2e’s aerogels (ecological and economical) and their derivatives are capable of contributing towards the betterment of humanity tracing their way from clean sky technologies to blue ocean solutions, across industries.
Aerogels are intrinsically connected to the aerospace industry, hence enthusiastically to AeroNAD Group.