UV-328
UV-328 is a chemical compound used as a light stabilizer in various plastics and other polymer materials. It is known for its ability to absorb ultraviolet light, thus preventing the degradation of the material. UV-328 belongs to the class of compounds known as benzotriazole UV absorbers.
Chemical Structure[edit | edit source]
UV-328 is a derivative of benzotriazole, which is a heterocyclic compound with two nitrogen atoms and a five-membered ring. The chemical formula of UV-328 is C22H29N3O. It has a molecular weight of 351.49 g/mol. The compound is characterized by its high thermal stability and excellent light absorbing properties.
Applications[edit | edit source]
UV-328 is widely used in the plastics industry as a light stabilizer. It is particularly effective in preventing the degradation of polyethylene, polypropylene, polyvinyl chloride (PVC), and polyurethane. It is also used in other materials such as rubber, cosmetics, and paints.
Safety and Environmental Impact[edit | edit source]
UV-328 is considered a Persistent Organic Pollutant (POP) due to its potential to persist in the environment and bioaccumulate in organisms. It is included in the Stockholm Convention on Persistent Organic Pollutants, which aims to eliminate or restrict the production and use of POPs.
See Also[edit | edit source]
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