Table of Content
1. What Is Optical Brightener
2. Optical Brightener Classification
1. What is optical brightener agent ?
(Optical Brightener Definition and Synonyms)
Optical Brightener Definition
Optical brightener sometimes called optical brightening agents (OBAs), fluorescent brightening agents (FBAs) or fluorescent whitening agents (FWAs) are colorless to weakly colored organic compounds.When present on a substrate,absorb primarily invisible ultraviolet light in the 300-400 nanometer (nm) range and re-emit in the visible violet-to-blue fluorescent light to yield a brighter, fresher appearance.They are designed to brighten colors or mask yellowing in plastics, lacquers, paints, inks, photo-processing solutions and fibers.Optical Brightener Synonyms
optical brightener agent
OBAs
optical whitener
optical whitener agent
optical whitening
optical whitening agent
optical brightening
whitening
brightening
fluorescent brightener
fluorescent whitener
FWAs
fluorescent whitening
forescent whitening agent
fluorescent brightening
fluorescent brightening agent
FBAs
FBAs
2. Optical Brightener Classification
optical brightener classification by application
- optical brightener for detergent
include optical brightener CBS-X,DMS/AMS,CBS-155
- optical brightener for paper
include Optical brightener PC, BBU/ BBU-L, VBL/VBL-L
- optical brightener for fiber and textile
include optical brightener 4BK,ER-I/ER-I L,ER-II/ER-II L,EBF/EBF-L,PF / DT, BA,CXT,R4,MST-L,BAC,SWN / AW-L,WGS,NFW
- optical brightener for plastic
include optical brightener OB,OBR,OB-1,KSN,KCB,KSB,FP-127,CBS-127,PF
- optical brightener for paint and ink
include optical brightener UVT-1,ST,OEF,RT
Optical brightener classification by chemical structure
1. Toluylene type, with blue fluorescent light, used in cotton fiber,synthesis fiber,paper,soap industries
2. Vanilla type, with coumarone structure and strong blue fluorescent light, use in celluloid,PVC plastics
3. Pyrazoline type,with green fluorescent light, used in wool,polyamide,acrylic fibers.
4. Benzo nitrogen type,with red fluorescent light,used in acrylic fiber,PVC,PS
5. Phthalimide type, with blue fluorescent light, used in terylene,acrylic fiber,Cotton fiber.
Plastic Optical brightener classification
1. Bisbenzoxazole, chemical structure as below, OB,OB-1,KSN,KCB belongs to this chemical structure
2. Phenyl coumarin,chemical structure as below
3. distyry-biphenyls,chemical structure as below,CBS-X is with this chemical structure
