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China Optical Brightener OB-1 for Polyester Stable Fiber(PSF)

Brand
Raytop
Appearance
Yellow Green Powder
Purity
98.5%
Color shade
Blue
Finess
400-800 mesh
Package
10kg/25kg per fiber drum
Shelf Life
2 years
Transport
by sea or by air
Molecular formula
C28H18N2O2
CAS
1533-45-5
Color light
blue
Solubility
solvent solubility
Wavelength
374nm

Optical Brightener OB-1 can make the recycle PET more white to get high grade Polyester Stable Fiber.It has high fineness, high temperature resistance and less dosage(300-500g per 1000 kg material).

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As we know Optical Brightener OB-1 used for Polyester stable fiber is an important application.Now let's see why.

Polyester fiber is the most widely used chemical synthetic fiber today.It is mainly divided into two types: polyester staple 

fiber and polyester filament.

Polyester Staple fiber, also called small chemical fiber, is made by  PET recycle material.For cost considerations, many manufacturers choose to use recycled materials to make polyester staple fiber.But the recycled material is not as good as 

the new material, many molecules are degraded,

The appearance of the products produced again often fails to meet people’s aesthetic standards.So people use optical brightener for polyester fiber to improve the grade of polyester staple fiber.

Optical Brightener OB-1 is a dye that uses optical complementary colors for brightening,appearance is Yellow Green,emit blue light.

The product has high fineness, high temperature resistance and less dosage(300-500g per 1000 kg material),it also can give high whitness,Can effectively whiten and brighten polyester staple fiber.


PSF-optical-brightener-ob-1.jpgpolyester-staple-fiber.jpg

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:yellowish green powder 


Melting Point:357~359°C 


Purity:≥98.5% 


Recommend Dosage:200-500g per 1000kg material


Package:10KG/25kg per fiber drum with 450kg or 500 kg or 675kg/pallet


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