Brightener KF for PVC Advertising Boards is a highly efficient optical brightening agent, scientifically known as 2.2’-(4,4’-diphenylethylene) bisbenzoxazole. It is a light yellow-green powder with a molecular weight of 414, a melting point of 359°C ± 2, an absorption wavelength of 374nm, and an emission wavelength of 434nm. This brightener is designed to enhance the brightness and whiteness of PVC advertising boards, providing a vibrant and long-lasting effect. It is particularly well-suited for applications that demand durability under exposure to heat, light, and chemicals.
Key Features of Brightener KF for PVC Advertising Boards
1. High Thermal Stability
Brightener KF for PVC Advertising Boards exhibits good thermal stability, making it ideal for processes involving high temperatures. It can maintain its brightening effect without degradation, ensuring consistent quality even under heat-intensive conditions.
2. Good Light Fastness
The brightener offers good resistance to light, preventing the yellowing or fading of PVC advertising boards over time. This ensures that the boards retain their brightness and whiteness even when exposed to sunlight for extended periods.
3. Versatile Application
Brightener KF for PVC Advertising Boards can be used either alone or in combination with other brightening agents. This versatility allows for customized solutions to achieve the desired level of brightness while optimizing cost-efficiency.
4. Chlorine Bleach Resistance
This brightener is resistant to chlorine bleach, which is commonly used in the processing and maintenance of advertising boards. This property ensures that the brightness of the boards is maintained, even after exposure to harsh chemicals.
Applications of Brightener KF for PVC Advertising Boards
1. PVC Advertising Boards
- Brightener KF for PVC Advertising Boards is specifically designed to enhance the brightness and whiteness of rigid polyvinyl chloride (PVC) materials. It makes advertising boards more visually appealing, helping them stand out in various indoor and outdoor environments.
2. Polyester Fibers and Blended Fabrics
- The brightener is suitable for use in polyester fibers and blended fabrics, where it improves the whiteness and overall appearance of the textiles, making them more attractive for various applications.
3. Plastic Products
- Brightener KF for PVC Advertising Boards is effective in various plastic products, ensuring that they maintain a high level of brightness and visual appeal throughout their use.
4. Polyester Raw Liquids
- This brightener can also be applied to polyester raw liquids, enhancing the brightness of the resulting polyester materials, which are used in various industries.
Usage Instructions for Brightener KF for PVC Advertising Boards
To achieve good results with Brightener KF for PVC Advertising Boards, the following usage guidelines are recommended:
1. Rigid Polyvinyl Chloride (PVC):
- For Whitening: Use 0.01–0.06% of the brightener (10–60g per 100kg of material).
- For Transparency: Use 0.0001–0.001% of the brightener (0.1–1g per 100kg of material).
2. Polystyrene (PS):
- For Whitening: Use 0.01–0.05% of the brightener (10–50g per 100kg of material).
- For Transparency: Use 0.0001–0.001% of the brightener (0.1–1g per 100kg of material).
These guidelines ensure good results, allowing for brightness and clarity in the final product. The usage of Brightener KF for PVC Advertising Boards can be adjusted according to specific needs, ensuring that the desired level of brightness is achieved without compromising the quality of the advertising boards.