Chemical Name : 2,5-bis-(5-tert-butyl-2-benzoxazolyl)thiophene
C.I. No. : Fluorescent whitening agent 184【7128-64-5】
Appearance |
Light green powder |
melting point |
196-203 ℃ |
Decomposition temperature |
220 ℃ |
Maximum UV absorption wavelength |
369nm |
Maximum emission wavelength |
435nm |
Shade |
Bright blue fluorescence |
Features
Good weather resistance and high stability, it is a commonly used fluorescent whitening agent; it has passed FDA certification.
Purpose
Mainly used in thermoplastics, polyvinyl chloride, polyethylene, polypropylene, polystyrene, acrylonitrile/butadiene/styrene copolymer, styrene/acrylonitrile copolymer materials, styrene/butadiene copolymers, cellulose acetate, polyamides, acrylic resins, polyester fibers (polyester), paints, coatings��, whitening of ink.
It is widely used in the processing of film, injection molding and extrusion molding materials.
Recommended dosage : 0.01~0.05%