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Fluorescent Whitening Agent KSN (C.I.:368, CAS No.: 5242-49-9) is a top-tier product among various optical brighteners. Renowned for its exceptional performance at minimal usage levels, it boasts good light and heat resistance, along with good stability. This product is widely applied in plastics and polyester, making it a versatile choice for enhancing the brightness of films, injection molding, and extrusion molding materials. Furthermore, Fluorescent Whitening Agent KSN can be used in any stage of synthetic resin whitening and is also effective in coatings, paints, and inks.
Product Applications
1. Plastics:
- General Plastics: Enhances the whiteness and brightness of various plastic substrates.
- Transparent Plastics: Provides effective whitening with minimal usage, maintaining the material's transparency.
- Polyester (PET): Ideal for whitening polyester fibers and resins, ensuring a bright, appealing finish.
2. Films and Molding Materials:
- Films: Enhances the brightness of both thin and thick films, ensuring a consistent appearance.
- Injection Molding: Effective in whitening injection-molded parts, providing a high-quality finish.
- Extrusion Molding: Suitable for extrusion molding processes, ensuring uniform brightness throughout the material.
Product Advantages
1. Effective Whitening:
- Minimal Usage: Achieves good whitening effects even at very low concentrations.
- Wide Compatibility: Suitable for a broad range of materials, including plastics, films, and synthetic resins.
2. Durability:
- Light Resistance: Maintains whitening properties under prolonged exposure to light.
- Heat Resistance: Withstands high temperatures without degrading, making it ideal for heat-processed materials.
3. Stability:
- Chemical Stability: Does not react with plasticizers, foaming agents, or cross-linking agents, ensuring consistent performance.
- Compatibility: Exhibits good compatibility with high molecular weight materials, preventing migration and ensuring long-lasting effects.
Product Features
1. Physical Properties:
- Appearance: Light yellow-green crystalline powder that is easy to handle and integrate into various processes.
- Non-toxic and Odorless: Safe to use in various applications without affecting the material's properties.
2. Performance Characteristics:
- Good Whitening: Provides exceptional whitening and brightening effects at minimal usage levels.
- Uniform Distribution: Disperses evenly in materials, providing consistent and uniform whitening effects.
3. Application Flexibility:
- Dry and Wet Methods: Suitable for both dry and wet processing methods, offering versatility in application.
- Color Masterbatch: Particularly effective in color masterbatch applications, ensuring bright and vibrant colors.
Usage Instructions
1. Dry Method:
- Mix Fluorescent Whitening Agent KSN thoroughly with the plastic substrate or resin.
- Melt and then extrude the mixture to form the desired shape, ensuring even distribution and whitening.
2. Wet Method:
- Dissolve Fluorescent Whitening Agent KSN in an appropriate solvent.
- Mix the solution with the plastic material and process it under suitable conditions to achieve the whitening effect.
3. Reference Ratios (Weight Ratios):
- General Plastics: Use Fluorescent Whitening Agent KSN at a ratio of 0.002-0.03%, which corresponds to 10-30 grams per 100 kilograms of plastic material.
- Transparent Plastics: Use Fluorescent Whitening Agent KSN at a ratio of 0.0005-0.002%, or 0.5-2 grams per 100 kilograms of plastic material.
- Polyester Resin (PET): Use Fluorescent Whitening Agent KSN at a ratio of 0.01-0.02%, or 10-20 grams per 100 kilograms of resin.
By following these instructions, users can achieve good whitening effects while managing costs effectively. The versatility and effectiveness of Fluorescent Whitening Agent KSN make it a good choice for industries requiring high-quality whitening solutions.
