OB-1 (Optical Brightening Agent) Pigment High Clarity Enhancement

Short Description

Chemical Formula : 4,4-bis(2-tert-benzoxazolyl)stilbene 

Cas No.:915038-26-5 

Features

High whitening effect: It can absorb ultraviolet rays and emit blue fluorescence, effectively improving the whiteness and glossiness of the treated material, making it present a bright and white appearance.

High transparency: After being added to the material, it can enhance the whiteness while maintaining the original transparency of the material to the greatest extent, without affecting the optical properties and visual effects of the material.

Good stability: It has good thermal stability, light resistance and chemical stability. Under normal processing and use conditions, it can maintain its whitening performance, is not easy to decompose or discolor, and can adapt to a variety of different environments and process requirements.

Principal Ingredients

Bis (2-benzoxazolyl) stilbene.

Performance & Features

1.High brightening intensity and strong fluorescence.
2.Widely used in brightening polyester, nylon fiber and all kinds of plastics. 
3.Good resistance to high temperature.

Application

1.Suitable for the brightening of chemical fibers of polyester, nylon and polyprolylene.

2.Suitable for the whitening and brightening of polypropylene plastic, hard PVC,ABS, EVA, polystyrene, polycarbonate,etc.

3.Applicable to be added in the general polymerizations of polyester and nylon.

Plastic industry: It is widely used in various plastic products, such as polyvinyl chloride (PVC), polystyrene (PS), polycarbonate (PC), etc., which can improve the whiteness and transparency of plastic products, make their appearance more beautiful, and improve product quality.

Synthetic fiber industry: It is used in the production of synthetic fibers such as polyester fibers and nylon fibers, which can improve the whiteness and gloss of fibers, so that fiber products have better visual effects and feel.

Coating and ink industry: Adding to coatings and inks can enhance their hiding power and whiteness while maintaining good transparency, making printed products and coating surfaces brighter and more vivid.

OB-1 fluorescent brightener pigment plays an important role in many industries due to its high whitening effect, high transparency and good stability, helping to improve the appearance quality and visual effects of various materials and products.

Dosage

Recommended quantity: dosage of OB-1 in every 100kg raw material:
1.75~200g in EVA, polyprolylene, nylon, polycarbonate, and so on.
2.75~300g in terylene fiber.

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