Cytec Cyasorb 531: An Overview of its Properties and Applications
Cytec Cyasorb 531 is a highly effective ultraviolet (UV) light stabilizer that is widely used in the plastics and coatings industries. Also known as BASF Chimassorb 81, BASF C81, or UV Absorber UV-531, this product is manufactured and supplied by INNO Specialty Chemicals in China. It falls under the category of benzophenone UV absorbers and is used to protect materials from the harmful effects of UV radiation.
Properties of Cytec Cyasorb 531
Cytec Cyasorb 531 is a colorless or pale yellow crystal that is insoluble in water but soluble in organic solvents. Its chemical formula is C26H36O3, and its molecular weight is 396.56 g/mol. It has a melting point of 47-49°C and a boiling point of 520.2°C at 760 mmHg. It has a high extinction coefficient and a broad absorption range in the UV region (290-400 nm), making it an effective UV absorber.
Applications of Cytec Cyasorb 531
Cytec Cyasorb 531 is widely used in the plastics industry as a light stabilizer for polyolefins, PVC, polystyrene, polyurethane, and other polymers. It helps to prevent the degradation of these materials caused by UV radiation, which can lead to discoloration, embrittlement, and cracking. It is particularly effective in preventing yellowing and loss of mechanical properties in polyolefins.
In the coatings industry, Cytec Cyasorb 531 is used as a UV absorber and light stabilizer for automotive coatings, industrial coatings, and wood coatings. It helps to prevent fading, chalking, and cracking of the coatings caused by exposure to sunlight. It is also used in other applications such as adhesives, sealants, and inks.
Benefits of Cytec Cyasorb 531
Cytec Cyasorb 531 offers several benefits as a UV stabilizer, including:
1. High effectiveness: Cytec Cyasorb 531 is a highly effective UV absorber that can provide long-lasting protection to materials against UV radiation.
2. Broad absorption range: Cytec Cyasorb 531 has a broad absorption range in the UV region, making it effective against a wide range of wavelengths.
3. Compatible with various polymers: Cytec Cyasorb 531 is compatible with various polymers used in the plastics industry, including polyolefins, PVC, polystyrene, and polyurethane.
4. Good thermal stability: Cytec Cyasorb 531 has good thermal stability, which means it can withstand high temperatures without degrading.
Conclusion
Cytec Cyasorb 531 is a highly effective UV stabilizer that is widely used in the plastics and coatings industries. Its broad absorption range, high effectiveness, and compatibility with various polymers make it a popular choice for protecting materials against UV radiation. As a leading manufacturer and supplier of specialty chemicals, INNO Specialty Chemicals is committed to providing high-quality products and excellent customer service to its clients.
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