Titanium dioxide is an inorganic compound with the chemical formula TiO2. It is a white solid or powdery amphoteric oxide with a molecular weight of 79.866. It is non-toxic, has the best opacity, best whiteness and brightness, and is considered to have the highest performance in the world today. The best white paint. Titanium white has strong adhesion, is not prone to chemical changes, and is always white. Widely used in coatings, plastics, papermaking, printing ink, chemical fiber, rubber, cosmetics and other industries. It has a high melting point and is also used to make refractory glass, glazes, enamels, clay, high-temperature-resistant experimental vessels, etc. Titanium dioxide can be extracted from rutile by acid decomposition or obtained by decomposing titanium tetrachloride. Titanium dioxide exists in three allotropic forms in nature: rutile, anatase and plate titanium. In addition, there are several artificially synthesized crystal forms.
A. Titanium dioxide is an inorganic compound with the chemical formula TiO2. It is a white solid or powdery amphoteric oxide with a molecular weight of 79.866. It is non-toxic, has the best opacity, best whiteness and brightness, and is considered to be the most popular product in the world today. One of the best performing white pigments on the market. Titanium white has strong adhesion, is not prone to chemical changes, and is always white.
B, widely used in coatings, plastics, papermaking, printing ink, chemical fiber, rubber, cosmetics and other industries. It has a high melting point and is also used to make refractory glass, glazes, enamels, clay, high-temperature-resistant experimental vessels, etc.
C. Titanium dioxide can be extracted from rutile by acid decomposition or obtained by decomposing titanium tetrachloride. Titanium dioxide exists in three allotropic forms in nature: rutile, anatase and plate titanium. In addition, there are several artificially synthesized crystal forms.
1. Titanium dioxide is an important white pigment and porcelain glaze. Used in paint, ink, plastic, rubber, paper, chemical fiber, watercolor pigment and other industries.
2. Titanium dioxide is a semiconductor with small particle size, large specific surface area, loose and porous, and rough surface. It is widely used as photoanode material in dye-sensitized solar cells. Many researchers use titanium dioxide as a prototype to hydrate it. Thermal method, electrospinning method and other methods are used for modification, and at the same time, metal substances, inorganic substances and other doping reactions are used to prepare photoanode with excellent performance, which is used to assemble a dye-sensitized solar cell.
3. Titanium dioxide can effectively prevent the random growth of microorganisms through photocatalysis, thereby reducing the amount of harmful environmental components. The antibacterial mechanism is that titanium dioxide is activated by light, and the interaction between electron hole pairs, oxygen molecules, and hydroxide ions stimulates free radicals, causing a chain reaction, destroying bacterial proteins, and achieving the sterilization effect.
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