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Difference between activated and modified alumina
It is a highly porous solid with a high surface area. Its microporous, highly dispersed surface is characterized by adsorption properties, surface activity and good thermal stability.
The porous structure of activated aluminum, its large specific surface, and the fact that it is in a state of instability makes it very active. The adsorption property of activated alumina makes it a popular choice in petrochemicals, fertilizers, and other industries. It is also used to defluoridate drinking water, color industrial wastewater, and remove odors. 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 polymers in composites, there is a poor wettability, a low composite quality, and a performance that is far from the theoretical indicator. Modified functional filler: The inorganic functional filler 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. Moreover, surface coating metal modification on the alumina particle particles can enhance the performance of metal alumina composite materials.
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