Difference between activated and modified alumina
It is a highly porous solid with a high surface area. Its microporous, highly dispersed surface is a material with the properties required for catalysis. These include adsorption and surface activity as well as thermal stability.
Because it is porous and has a high specific surface area in an unstable state of transition, activated aluminum has great activity. The adsorption property of activated alumina makes it a popular choice in the petrochemical industry, as well as other industries. Alumina is used as a fluorine-filter material and has a very long service life.
Modified Alumina: Due to the different physical and chemical characteristics of alumina materials, metals, and polymer materials the wettability and composite quality of each component is poor. The performance of the composite material also falls short of theoretical indicators. Modified functional inorganic is blended into organic polymer, which improves the wettability at the interface. It also makes the structure uniform and becomes a polymer filler. This improves the performance of alumina composite material to some extent. At the same, surface coating metal modifications of alumina powder can improve performance of metal alumina composite materials.
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