The Application Field of Titanium Dioxide

Titanium dioxide is considered to be the world's best performance of a white pigment, widely used in coatings, plastics, paper, printing ink, chemical fiber, rubber, cosmetics and other industries.

Titanium dioxide (titanium dioxide) is chemically stable and does not react with most substances under normal circumstances. There are three types of titanium dioxide crystals in nature: plate titanium, anatase and rutile.

Plate titanium is an unstable crystal, no industrial use value, Anatase (Anatase) referred to as type A, and Rutile (Rutile) referred to as type R, all have a stable lattice, is an important white pigment and porcelain glaze, and other white pigments have superior whiteness, coloring power, covering power, weather resistance, heat resistance, and chemical stability. Especially not toxic. Titanium dioxide is widely used in coatings, plastics, rubber, ink, paper, chemical fiber, ceramics, daily chemical, medicine, food and other industries.

The paint industry is the largest user of titanium dioxide, especially rutile titanium dioxide, most of which is consumed by the paint industry. The paint made of titanium dioxide has bright color, high hiding power, strong coloring power, provincial amount, and many varieties, which can protect the stability of the medium, and can enhance the mechanical strength and adhesion of the paint film, prevent cracks, prevent ultraviolet light and water penetration, and extend the life of the paint film.

The plastics industry is the second largest user, adding titanium dioxide to plastics can improve the heat resistance, light resistance and weather resistance of plastic products, improve the physical and chemical properties of plastic products, enhance the mechanical strength of products, and extend the service life.

The paper industry is the third largest user of titanium dioxide, as a paper filler, mainly used in high-grade paper and thin paper. Adding titanium dioxide to the paper can make the paper have better whiteness, good luster, high strength, thin and smooth, not penetrate when printing, and light weight. Titanium dioxide for paper making generally uses anatase titanium dioxide without surface treatment, which can play the role of fluorescent whitening agent and increase the whiteness of paper. However, laminated paper requires the use of surface-treated rutile titanium dioxide to meet the requirements of light and heat resistance.

Titanium dioxide is also an indispensable white pigment in advanced inks. The ink containing titanium dioxide is durable and does not change color, has good surface wettability and is easy to disperse. The titanium dioxide used in the ink industry has rutile type and anatase type.

The textile and chemical fiber industries are another important application area for titanium dioxide. Titanium dioxide for chemical fiber is mainly used as a matting agent. Anatase is generally used because anatase is softer than gold red. Titanium dioxide for chemical fiber generally does not need surface treatment, but some special varieties need surface treatment in order to reduce the photochemical action of titanium dioxide and avoid the degradation of the fiber in the photocatalysis of titanium dioxide.