The advantages and disadvantages of rutile titanium dioxide in papermaking
Release time:
2022-11-03
The paper industry is the third largest user of titanium dioxide, primarily used as a filler in high-quality paper and thin paper, added to the paper.Rutile titanium dioxideIt can enhance the whiteness, gloss, strength, thinness, and smoothness of the paper, preventing penetration during printing and reducing weight. Titanium dioxide used in papermaking is generally rutile titanium dioxide, which does not require surface treatment and can act as a fluorescent whitening agent to increase the whiteness of the paper. However, laminated paper requires surface-treated rutile titanium dioxide to meet light and heat resistance requirements.
In the paper industry, low-grade paper generally does not use rutile titanium dioxide due to production cost considerations, mainly using kaolin, talc, calcium carbonate, etc., but these will reduce the strength of the paper and increase its weight. Decorative paper, Bible paper, and banknotes (such as dictionaries, magazines, and covers) must use rutile titanium dioxide, resulting in good whiteness, high strength, gloss, thinness, and smoothness, with no penetration during printing. Under the same conditions, the opacity is 10 times higher than that of calcium carbonate and talc, and the weight can be reduced by 15%.
Another important application area of rutile titanium dioxide in papermaking is decorative paper, also known as titanium white paper, mainly used as a raw material for making furniture, flooring, wallpaper, etc. In our country, the usage of titanium dioxide in decorative paper is much higher than in other varieties. According to incomplete estimates, the decorative paper using titanium dioxide in our country exceeds 30,000 tons annually. The usage of titanium dioxide in decorative paper is 20% ~ 40%, while in other papers it is 1% ~ 5%. This situation is determined by the consumption level in our country. Due to the high demand for home decoration and high-quality furniture, the usage of decorative paper is gradually increasing; Bible paper, due to the use of titanium dioxide as a raw material, has a much higher cost than ordinary paper. Given the domestic consumption level, the market for Bible paper is very limited; however, the manufacturing and use of banknote paper is controlled by the state, and the usage is relatively stable, which will not affect the titanium dioxide market.
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Key words: tengxian titanium dioxide, titanium dioxide, rutile, titanium dioxide manufacturers, anatase titanium dioxide, titanium dioxide manufacturers, anatase titanium dioxide, rutile titanium white
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Address: Teng County, Guangxi Chemical Industry Zone