Chemical name ：bis(5methyl-2-benzoxazolyl) stilbene mixture
C.I. No. : Fluorescent whitening agent 368【5242-49-9】
|
Exterior |
yellow powder |
|
melting point |
270-350 ℃ |
|
decomposition temperature |
300 ℃ |
|
Maximum UV absorption wavelength |
374nm |
|
Maximum emission wavelength |
434nm |
|
color light |
Vivid red light blue |
Purpose
Can be used for whitening polyester, PA, PAN and other fibers and silk and wool fabrics, and can also be used for film, injection molding and extrusion molding materials processing; but pay attention to precipitation, experiments have proved that it is easy to precipitate on PP and PET wire drawing.
Recommended dosage
0.01~0.03%