optical brightener for polyester

If we recommend Optical brighteners for polyester, we recommend optical Brightener OB-1. Optical Brightener OB-1 is mainly used for whitening synthetic detergents, plastics and soaps. Also, Optical Brightener OB-1 can be used for whitening polyester, linen, nylonwool, tetile auxiliary agents and paper.  

The appearance of Optical brightener OB-1 is bright-yellow crystalline powder, has high strength of whitening effect and strong fluorescence. Optical brightener OB-1 is widely used to whiten and brighten in chemical fibers, such as polyester fibers, nylon fibers, polypropylene fibers, etc. 

Optical Brightener OB-1 
Product Name Optical Brightener OB-1   
Chemical Name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol
CAS No. 1533-45-5
C.I. No. 393
Molecular Formula C28H18N2O2
Molecular Weight 414 
Technical Index Appearance：Greenish/yellowish powder
Molecular weight:414.4    
Melting Point:356℃～360℃
Purity: ≥98.5%     
Fineness: ≧200 mesh
Volatile content: ≦0.5%    
Ash content :≦0.5%
Uses Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization. 
For whitening of polyester and nylon; also used in ABS, PS,PVC, HIPS, PA, PC, PP, PE,PET,EVA, PVC, etc.  

As a kind of fluorescent dye, whitening agent is widely used in textile, papermaking, plastics, rubber, paint, detergent, printing ink, pigment, paint, wax, packaging materials and other industries because it can whiten the slightly yellow material without damaging the special whitening effect of the material.

Optical Brightener OB-1 is suitable for whitening polyester, teryleneble fabric. Optical Brightener OB-1 for whitening of polyester blended fabricand widely used in detergents, bleaching and dyeing, paper,dyes and other industries.