The rapid development of fluorescent whitening agents has led to the emergence of reactive dyes and organic pigments DPP as one of the three major achievements in the dye field in the late 20th century.
Fluorescent brighteners have been used in many industries, such as paper, plastics, leather, and detergents. At the same time, fluorescent whitening agent is also used in many high-tech fields, such as fluorescence detection, dye laser, anti-counterfeiting printing, etc., and even the high-sensitivity film used for aerial photography is used to improve the sensitivity of the photographic latex, fluorescent whitening agent will also be used.
In China, fluorescent brighteners were first classified as printing and dyeing auxiliaries, and then as dyestuff products. Due to its unique nature and large amount of demand, it has been separated from the above two industries and become a separate kind of fine chemical products. The largest user of fluorescent whitening agent in China is detergent, the second largest user is paper, and the third largest user is textiles.