The role of fluorescent brightener in paint

The function of fluorescent brightener in paint is to improve the whiteness or brightness of the product and improve the appearance and performance of the product.

With the improvement of people's living standard and the progress of science and technology, paint, such as white amino baking paint, polyurethane enamel, alkyd enamel and other effects is no longer a simple protection of the paint object surface, but also beautify the paint surface, to the role of aesthetic feeling.Many transparent or white paint has a yellow hue, inherent in the process of manufacture of paint in the past, in order to obtain white or pale appearance, try to choose light color transparent substrate and a stable and high whiteness of white paint, in addition, usually in white paint also add a certain amount of blue paint, known as the "blue", using blue and yellow paint complementary role to increase the whiteness of paint, but the brightness of the white is not high, a little dark.

Fluorescent whitening agent as a kind of fluorescent dye has been widely used in white or light color paint, the use of fluorescent whitening agent can absorb the launch was violet ultraviolet fluorescence, and mixed with the yellow light on the surface of the paint film and become white, lead to the total reflection film on the surface, in the person's look more white, bright white paint on the vision;Light-colored paint looks brighter and brighter, greatly improving the appearance of the product.Fluorescent whitening agent in the paint another purpose is to use its launch violet can absorb ultraviolet light and fluorescence effect, the increase of white paint white or light color paint brilliance at the same time, reduce uv damage to the paint in the paint, improve the light fastness of paint, paint in the open air and sunlight conditions to extend the service life.