optical brightener là gì

Optical brightener là gì is chemical that absorb ultraviolet light and reflect back blue light. This helps to hide the normal yellowing of white clothes, and makes them appear whiter and more vibrant. Optical brightener là gì adds chemical to your clothes, rather than removing stains from your clothes. You could call it an optical illusion.

Optical brightener agent OB-1 for plastics 
Manufacturer for CAS No.1533-45-5 
Credit Detail:

Product Cate Optical Brightener Agent For Plastic
Product Name Optical Brightener Agent 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:yellowish green powder
Melting Point:357~359°C
Purity:≥99%
Applications  
1. Suitable for polyester fiber, nylon fiber and polypropylene.
2. Suitable for polypropylene plastics, hard PVC, ABS, EVA, polystyrene, polycarbonate etc.
 
Properties & Features: 
1. High whitening force, strong fluorescence
2. Wide range of application, widely used for the whitening of polyesters, nylon fibre and various plastics.
3. Excellent resistance to high temperature

Optical brightener là gì is most commonly used in laundry detergents. But they’re used for lots of other things as well. You can find optical brightener là gì in small amounts in products like cosmetics, cotton balls, and fabrics. Paper products, like food packaging, printer paper and toilet paper often use optical brightener là gì. You can find optical brightener là gì in just about anything that you might want to look bright white.