Optical Brightener
Dyes is a fluorescent dye, or called white dye, is a complex organic compound. Its characteristic is to stimulate the incident light to produce fluorescence, so that the dye material to achieve similar fluorspar glittering effect, so that the naked eye can see is white matter, reach whitening effect.
Fluorescent brightener is a colorless and under ultraviolet light can excite fluorescence of organic compounds, which can improve the whiteness and glossy material. About 15 kinds of fluorescent brighteners basic structure types, nearly 400 kinds of structures. Widely used in various fields and
Paper, textiles, detergents and the like.