Optical Brightener SWN
PROPERTIES
Appearance White powder Purity 99% min Ionicity Cationic Melting point 71-74 ℃ Volatile matter ≤ 0.5% Ash ≤ 0.05%
Application：
It's suitable for Optical Brightening Agent for wool, silk,feather and di-acetate fibre,also used for polyamide,vinylon,detergent and plastics, especially for fur whitening. Its water solution is excellent, good stability to acid & hard water. It's for exhaustion and padding process..
1. Wool process: the whiteness is bright with bluish green shade color.
Dosage: Optical Brightener SWN 1.5-1.8% o.w.f; Temperature: 40-60℃;
Time:30-60min; Bath ratio: 1:50, PH=4.5-5.5.
2. Feather process: the whiteness is bright with bluish green shade color.
Dosage: Optical Brightener SWN 0.8-1.0% o.w.f; Temperature: 25-50℃;
Time:30-60 min; Bath ratio: 1:40; PH=5-6.
3. Silk process:
Dosage: Optical Brightener SWN 1.5-1.8% o.w.f; Temperature: 50℃;
Time:30-60 min; Bath ratio: 1:50; PH=4.5-6.
4. Di-acetate fibres: the whiteness is bright with reddish slightly, light fastness is lower.
Dosage: Optical Brightener SWN 0.3-0.8% o.w.f; Temperature: 60-70℃;
Time:30-60 min; Bath ratio: 1:50; PH=6. It may add some levelling agent O.
5. Polyamide and vinylon fabrics: the whiteness is bright with reddish slightly, light fastness is lower.
Dosage: Optical Brightener SWN 0.6-2.5% o.w.f; Temperature: 40-80℃;
Time:30-60 min; Bath ratio: 1:50; PH=4.5-6. It may add some levelling agent O.
Detailed process is according to customer's request.
Sealed in storage, keeping date is 12 months under room temperature.
25kg fibre drum or as per customer's request.
1. Functional principle and performance of fluorescent whitening agents
Our optical brighteners are also known as optical brighteners (OBA), optical brighteners (FB), optical brighteners (FBA), optical brighteners, optical brighteners (FWA) and optical brighteners , its principle of action is fluorescence. When exposed to UV light, it absorbs light energy and re-emits it as visible light, thereby increasing the brightness and whiteness of the material being coated. This mechanism ensures that the treated products take on a shiny, vibrant appearance, making them visually attractive to consumers.
2. Widely used in various industries
Our optical brighteners are used in a wide range of industries including textiles, paper, plastics, detergents and paints. In textiles, it gives fabrics a bright white appearance, making them look fresher and more vibrant. In paper production, it can improve the brightness and whiteness of paper, resulting in a more visually appealing final product. When incorporated into plastics, it improves optical properties and makes products appear brighter and more attractive. Additionally, in detergents and paints, it can improve the whiteness and brightness of the final product, resulting in a more attractive visual effect.
3. Superior performance and company advantages
Our optical brighteners stand out for their exceptional performance and reliability. It's formulated to provide consistent and long-lasting brightness enhancement, ensuring treated products maintain their visual appeal over time. Additionally, our extensive experience in manufacturing optical brighteners allows us to improve our products to meet the highest quality standards, making them a trusted choice in various industries around the world. Our commitment to innovation and customer satisfaction sets us apart as we continually strive to develop advanced formulations to meet our customers' ever-changing needs.
In summary, our optical brightener is a premium additive that improves the visual appeal of products across a variety of industries. With its proven performance, versatility and reliability, it is ideal for enhancing the brightness and whiteness of textiles, paper, plastics, detergents, paints and more. Choose our optical brighteners to make your products shine and attract consumers with their dazzling appearance.