Fluorescent whitening agent has been used in textile fiber field for nearly 70 years. Fiber is divided into cellulose fiber, protein fiber and synthetic fiber, so in the use of fluorescent whitening agent, must first understand the chemical composition and physical properties of the fiber, in order to accurately select the appropriate fluorescent whitening agent. Fluorescent brighteners used in textile fiber industry should meet multiple conditions, such as no damage to the fiber, and have a goo

Putdate2020-01-03 53 The fields of Fluorescent Whitening Agent

General pulp fiber after a certain method to remove most of the lignin, but there is still a very small amount of lignin and other pigments, so that the pulp with a slight yellow or gray. The whiteness of pulp can be improved by chemical bleaching, adding dyes or pigments, but these methods are limited. Intense bleaching in the pursuit of whiteness will damage the strength of the pulp fibers. After the use of fluorescent whitening agents in the paper industry, it is relatively easy and convenien

Putdate2020-01-03 90 Role of Fluorescent whitening agent in paper industry

The principle of fluorescent whitening agent is to absorb the invisible ultraviolet light in the light and emit visible blue light. After superposition with the yellow light emitted by the fabric, complementary white light is formed to increase the white light emitted by the fabric. The naked eye can feel that the white fabric becomes obviously bright white, which is the bright white effect. As a result of the yellow light that the fabric gives out decreases, white light increases, naked eye als

Putdate2020-01-03 44 Application of Fluorescent whitening agent in laundry detergent

Washing products such as laundry detergent are often reported to contain fluorescent whitening agent, and there are even rumors that "fluorescent agent can cause cancer", causing great panic to consumers. The Newspaper has also received numerous complaints and inquiries from consumers, including one reader who has bought his own uv tester and is ready to throw away any clothes that measure fluorescent agent. But are these rumors true? Do you know what fluorescence is? Do you know what fluorescen

Putdate2020-01-03 100 Authorities say Fluorescent brighteners cause cancer——they're actually safe