General Description

UV absorber-928 is a widely utilized ultraviolet (UV) light absorber known for its high UV absorption capacity across a broad range of wavelengths, particularly in the UV-A and UV-B regions. Its key properties include compatibility with various polymers, excellent thermal stability, low volatility, and resistance to chemical degradation. This makes it valuable for providing effective UV protection to polymers and coatings, preventing photodegradation, color fading, and loss of mechanical properties. It finds applications in industrial and consumer products as a stabilizer and UV absorber, playing a crucial role in enhancing product stability and protecting against UV damage. However, caution must be exercised in handling and storing UV absorber-928 to prevent environmental harm and ensure its stability.

Figure 1. UV absorber-928

Properties

UV absorber-928 is a widely used ultraviolet (UV) light absorber with properties that make it valuable in various industrial applications. One of the key properties of UV absorber-928 is its high UV absorption capacity across a broad range of wavelengths, particularly in the UV-A and UV-B regions. This enables it to effectively shield polymers and coatings from the damaging effects of UV radiation, including photodegradation, color fading, and loss of mechanical properties. Another important property of UV absorber-928 is its compatibility with a wide range of polymers and other additives, allowing for easy incorporation into various material systems without significant impact on processing or final product performance. Additionally, UV absorber-928 exhibits good thermal stability, which ensures long-term effectiveness even under elevated temperature conditions. Furthermore, UV-928 demonstrates low volatility and migration, minimizing the risk of leaching out of the polymer matrix and ensuring durable UV protection throughout the material's lifecycle. Its excellent light stability and resistance to chemical degradation contribute to the overall durability of the materials in which it is used. In summary, UV absorber-928 possesses high UV absorption capacity, broad compatibility, thermal stability, low volatility, and excellent durability, making it an indispensable component for enhancing the UV resistance and longevity of various plastic and coating products. ¹

Applications

UV absorber-928 is a UV absorber widely used in industrial and consumer products. According to the EPA's Chemical and Product Database, UV absorber-928 is used as a stabiliser and UV stabiliser. For industrial use, it is widely used as an adsorbent and absorber, as well as a paint additive and coating additive. In addition, it is used as a treatment agent in the manufacture of plastic products and transport equipment. For use in consumer products, UV absorber-928 is also used as an adsorbent and absorber, as well as a paint additive and a coating additive. Due to its UV stabilising properties, it is also commonly used as a UV stabiliser to protect products from UV damage. According to the U.S. Environmental Protection Agency (EPA), UV absorber-928 was produced in quantities of less than 1 million pounds in both 2019 and 2018, and between 1 million pounds and 20 million pounds in 2017 and 2016. Overall, UV absorber-928 is widely used in a variety of industries, including industrial manufacturing and consumer product manufacturing. It plays an important role in increasing the stability of products and protecting them from UV damage. ²

Safety

UV absorber-928 is a chemical compound used for its UV-absorbing properties in various applications. When handling UV absorber-928, it is important to consider safety precautions. The compound may cause long-lasting harmful effects on aquatic life, and therefore, it is crucial to avoid its release into the environment. Additionally, it should be stored in sealed, dry, and dark conditions to prevent degradation. Exposure to high sunlight, moisture, and environments containing sulfur or halogen elements should be avoided to maintain the stability of this UV stabilizer. These measures are essential to ensure the safe handling and storage of UV absorber-928. ³

Reference

1. PubChem. COMPOUND SUMMARY: Phenol,2-(2H-benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)-. National Library of Medicine, PubChem CID: 9803353.

2. Dionisio KL, Phillips K, Price PS, Grulke CM, Williams A, Biryol D, Hong T, Isaacs KK. The Chemical and Products Database, a resource for exposure-relevant data on chemicals in consumer products. Sci Data. 2018 Jul 10;5:180125.

3. 2-(2H-BENZOTRIAZOL-2-YL)-6-(1-METHYL-1-PHENYLETHYL)-4-(1,1,3,3-TETRAMETHYLBUTYL)PHENOL. European Chemicals Agency, EC / List no. 686-647-5.