Difference between activated and modified alumina
It is a highly porous solid with a high surface area. It is used as a catalyst carrier and chemical reaction catalyst because its microporous surface exhibits the required catalytic characteristics, including adsorption, surface activity, thermal stability etc.
It has high activity because it is porous and has a lot of surface area. Activated Alumina has excellent adsorption characteristics, and is therefore used in petrochemicals, fertilizers, and 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 the alumina particle powder can improve performance of metal alumina composite materials.
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