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Optical Brightener OB-1 | Optical Brightener for Plastic

Ranbar Optical Brightener OB-1 is a high-performance optical brightener for plastic. particularly suitable for various rigid plastic products processed and molded at high temperatures, such as PVC.

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Ranbar OB-1 Optical Brightener for Plastic

 

  • Ranbar OB-1 Optical Brightener for Plastic
  • Product Name: Optical Brightener OB-1
  • CAS No.: 1533-45-5
  • Molecular Weight: 414.45
  • Molecular Formula: C28H18N2O2
  • Solubility: Soluble in organic solvents
  • Chemical Structure: 2.2 ‘- (4.4’ -Diphenol vinyl) dibenzoxazole
  • Product Packaging: 25kg
  • Appearance: Light yellow crystalline powder
  • Recommended Dosage: 0.2-0.5%
  • Advantages: Low volatility, high temperature resistance, excellent whitening effect, and good stability.
  • Applications: Suitable for whitening polyester and plastics, as well as whitening nylon during the polymerization process.

 

Technical Parameters:

Melting point358-360°C
Purity≥98.5%
Fineness≧100 mesh
Volatile content≦0.3%
Ash content0.5%
Temperature resistance355—360°C
Recommended Dosage0.01-0.05%

 

Ranbar OB-1 Optical Brightener for Plastic Powder

 

Product Overview:

Ranbar Optical Brightener OB-1 is a high-performance optical brightener for plastic. It is insoluble in water, exhibits stable performance, and possesses excellent resistance to heat, sunlight, chlorine bleaching, and migration. With good compatibility with most polymers, it finds wide application, especially in the molding and processing of various rigid plastics at high temperatures, such as PVC.

Due to its outstanding stability, it delivers particularly ideal whitening effects on polyester fibers and blended textiles of polyester with cotton and other fibers. Additionally, it is also suitable for the whitening of polyester raw liquid.

 

Ranbar Optical Brightener Powder Photo

 

Scope of application:
Ranbar OB-1 Optical Brightener for Plastic is suitable for various plastic polymers, especially polyester, polyamide fibers, polycarbonate, acrylic polymers, styrene homopolymers, and copolymers such as ABS, polyolefins, and EVA, etc. It is applicable to processing techniques such as injection molding, film production, sheet extrusion, and others.

 

How to use:
Add Ranbar Optical Brightener OB-1 in an amount equivalent to 0.01-0.05% of the weight of plastic or polyester resin particles. Thoroughly mix the OB-1 with the material before the molding and processing of various plastic products or before the spinning of polyester fibers.

 

Safety Instructions:
Ranbar Optical Brightener OB-1 does not require special safety measures during use; just follow good industrial operating practices. Prevent the formation of dust and keep away from open flames.

 

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