Glory OB optical brightener
Chemical name ：2,5-bis-(5-tert-butyl-2-benzoxazolyl)thiophene
C.I. No. : Fluorescent whitening agent 184【7128-64-5】
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Appearance |
Light green powder |
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Melting point |
196-203 ℃ |
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Decomposition temperature |
220 ℃ |
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Maximum UV absorption wavelength |
369nm |
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Maximum emission wavelength |
435nm |
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Color |
Bright blue fluorescence |
Features
It has 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 copolymer, cellulose acetate, polyamide, acrylic resin, polyester fiber (polyester), paint, coating��, whitening of ink.
Widely used in the processing of film, injection molding and extrusion molding materials.
Recommended dosage ：0.01~0.05%