New material series - see the great power of aerogel

Aerogel, also known as xerogel, also known as blue smoke or frozen smoke, has the characteristics of ultra-light weight, extremely low thermal conductivity, high thermal stability, high adsorption, high energy absorption, sound insulation, etc. It not only has good ductility, but also has excellent properties of breathability, fire resistance, oil and water absorption.

There are many types of aerogels, such as: silicon-based aerogels, carbon-based aerogels, sulfur-based aerogels, etc., of which the most common is silica aerogel. Aerogels are usually classified in four ways: from the appearance characteristics, they can be divided into block, powder and film aerogels; from the preparation method, they can be divided into aerogels, xerogels and cryogels; from different The microstructure can be divided into microporous, mesoporous and mixed-porous aerogels. Aerogels are also the least dense solids in the world and have been included in the Guinness Book of World Records as the lightest class of substances. Since more than 80% of the aerogel is air, it has a good performance in thermal insulation.

The current product forms of aerogel mainly include felt, board, cloth, paper, granule, powder and special-shaped parts, among which, most of the products are aerogel products with thermal insulation function. With a series of superior properties, the research scope of aerogels in the field of scientific research continues to expand. Correspondingly, the number of successful cases of practical applications has gradually increased. It has very good performance in the military and civilian fields, and is used in many industries. Doing well.