Chemical name: ：2,5-bis-(5-tert-butyl-2-benzoxazolyl)thiophene
C.I. No. : Fluorescent Brightening Agent 184【7128-64-5】
|
Exterior |
light green powder |
|
melting point |
196-203 ℃ |
|
decomposition temperature |
220 ℃ |
|
Maximum UV absorption wavelength |
369nm |
|
Maximum emission wavelength |
435nm |
|
color light |
Vivid blue fluorescence |
Features
耐候性好，稳定性较高，是常用的荧光增白剂；通过了FDA认证。
It has good weather resistance and high stability, and is a commonly used fluorescent whitening agent; it has passed the FDA certification.
Purpose
Mainly used in thermoplastics, polyvinyl chloride, polyethylene, polypropylene, polystyrene, acrylonitrile/butadiene/styrene copolymer, styrene/acrylonitrile copolymer, styrene/butadiene copolymer, acetic acid Brightening of cellulose, polyamide, acrylic resin, polyester fiber (polyester), paint, coating, ink.
Widely used in the processing of film, injection molding and extrusion molding materials.
Recommended dosage: 0.01~0.05%