What Types Fluorescent Whitening Agent, Fluorescent Whitening Agent Uses

What types fluorescent whitening agent

Fluorescent whitening agent is mainly divided into plastic special fluorescent whitening agent, printing ink, fluorescent whitening agent, coating fluorescent whitening agent, washing fluorescent whitening agent.

Fluorescent whitening agent what models: fluorescent brightener OB, fluorescent brightener OB - J, fluorescent brightener OB - 1, fluorescent brightener OB - 1 t, fluorescent brightener KSN, fluorescent brightener KSN - J, fluorescent whitening agent 127, fluorescent whitening agent 127 - J, fluorescent brightener KCB, fluorescent brightener KCB - 31 # J fluorescent whitening agent, fluorescent whitening agent VBL brightening agent, fluorescent brightener OBX!

Fluorescent whitening agent USES:

Fluorescent whitening agent, commonly known as white dye is a kind of colorless and under uv irradiation can stimulate the fluorescence of organic compounds, it can improve the whiteness and luster of the material. Whitening effect is to use the optical principle of complementary color, make the yellow substance by fluorescent whitening agent, can not only reflect visible light, also can absorb outside of ultraviolet and visible light into visible light reflected with purple blue or green. Yellow and blue are complementary, offset the original yellow material, make it appear white.

Fluorescent whitening agent according to the chemical structure can be divided into five categories:

(1) two styrene type, used for cotton fiber and certain synthetic fiber, papermaking, soap and other industrial, has a blue fluorescence;

(2) coumarin type, basic structure, with sweet bean ketone for x celluloid, PVC plastic, etc., with strong blue fluorescence;

(3) pyrazole Lin type, used for wool, polyamide, acrylic fiber, with green fluorspar;

(4) benzene nitrogen and oxygen type, used for acrylic fiber and polyvinyl chloride (PVC) and polystyrene plastics, such as a red fluorescence; 5 benzol imine 2 type, used for polyester, acrylic, nylon fiber, has a blue fluorescence.