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Brightener OB-1T for PET Chemical Fibers is a high-performance optical brightening agent designed specifically for enhancing the whiteness and brightness of polyester fibers and other textile blends. This brightener plays a critical role in improving the visual appeal of PET chemical fibers and plastics by offering good whiteness and stability.
Product Characteristics
- Chemical Name: The chemical name for Brightener OB-1T for PET Chemical Fibers is 2.2’- (4,4’- diphenylvinyl) diphenyl oxazole.
- Molecular Weight: It has a molecular weight of 414, which is indicative of its molecular structure and functional properties.
- Melting Point: The brightener has a melting point of 359°C ± 2, ensuring its stability at high temperatures.
- Appearance: Brightener OB-1T for PET Chemical Fibers appears as a purple powder, making it easy to identify and handle.
- Maximum Absorption Wavelength: It absorbs light at a maximum wavelength of 374 nm, optimizing its performance under UV light.
- Maximum Emission Wavelength: This brightener emits light at a wavelength of 434 nm, which contributes to its brightening effects.
Product Features
- High Brightening Efficiency: Brightener OB-1T for PET Chemical Fibers excels in enhancing the whiteness of PET fibers and other synthetic fabrics. It provides a bright, white appearance, significantly improving the aesthetic quality of the finished product.
- Thermal Stability: It maintains its brightening effect even under high-temperature conditions, making it ideal for various processing environments. This thermal stability ensures consistent performance throughout the production process.
- Light Fastness: The brightener offers good resistance to light, preventing color fading and maintaining the whiteness of the product over time. This feature is crucial for applications exposed to continuous light.
- Chlorine Bleach Resistance: Brightener OB-1T for PET Chemical Fibers is resistant to chlorine bleach, ensuring that the whiteness of the fibers is not compromised by bleach treatment. This resistance extends the usability of the product in different cleaning processes.
Applications
- Polyester Fibers: Brightener OB-1T for PET Chemical Fibers is specifically designed for use in polyester fibers, enhancing their whiteness and brightness. It is an ideal choice for textile manufacturers looking to improve the visual appeal of their polyester products.
- Plastic Products: This brightener is also suitable for use in plastic products, where it provides a bright, white appearance. It can be incorporated into various plastic formulations to achieve the desired level of whiteness.
- Polyester Resins: The brightener is effective in improving the whiteness of polyester resins, making it suitable for applications involving polyester raw materials.
Usage Instructions
- Hard PVC: For whitening, use Brightener OB-1T for PET Chemical Fibers at a concentration of 0.01–0.06% (10–60 grams per 100 kg of material). For transparency applications, use 0.0001–0.001% (0.1–1 gram per 100 kg of material).
- Polystyrene (PS): Apply at a concentration of 0.01–0.05% (10–50 grams per 100 kg of material) for whitening, and 0.0001–0.001% (0.1–1 gram per 100 kg of material) for transparency.
- Polyvinyl Chloride (PVC): Use Brightener OB-1T for PET Chemical Fibers at 10–50 grams per 100 kg of material for whitening and 0.1–1 gram per 100 kg of material for transparency.
Packaging and Storage
Brightener OB-1T for PET Chemical Fibers is packaged in 20 kg cardboard drums with inner plastic liners to ensure product integrity. Store the brightener at room temperature and use it within 24 months to maintain good effectiveness.
