Chimassorb 119: A High-Performance UV Stabilizer for Polymers
Polymers, such as plastics, rubbers, and fibers, are widely used in various industries due to their versatility, durability, and cost-effectiveness. However, exposure to sunlight, heat, and other environmental factors can cause them to degrade, discolor, become brittle, and lose their mechanical properties over time. To prevent these undesirable effects and extend the lifespan of polymers, manufacturers often add UV stabilizers to their formulations. One of the most effective and popular UV stabilizers on the market is Chimassorb 119, also known as BASF Tinuvin 119 or UV-119.
Chimassorb 119 is a high molecular weight triazine-piperidine condensate that belongs to the class of hindered amine light stabilizers (HALS). HALS are a type of UV stabilizers that work by scavenging free radicals, which are generated by UV radiation and can initiate chain reactions that lead to polymer degradation. Unlike other UV stabilizers that absorb or reflect UV rays, HALS provide long-lasting protection by inhibiting the degradation mechanism itself. They are particularly useful for polymers that are exposed to outdoor weathering, such as polyolefins, polyesters, polyamides, and PVC.
Chimassorb 119 is a highly efficient HALS that offers several advantages over other UV stabilizers. It has a broad absorption spectrum that covers both UV-A and UV-B wavelengths, which are the most damaging to polymers. It has a low volatility and a high thermal stability, which makes it suitable for processing at high temperatures and for applications in hot climates. It has a low interaction with other additives and pigments, which ensures the stability of the final product. It has a low toxicity and is compliant with various regulations, such as REACH, FDA, and BfR.
Chimassorb 119 is typically used at a concentration of 0.1-1.0% by weight, depending on the polymer, the processing conditions, and the desired level of protection. It can be added at any stage of the polymer production, such as during compounding, extrusion, injection molding, or fiber spinning. It can also be blended with other UV stabilizers, such as benzotriazoles or benzophenones, to achieve synergistic effects. It can be used in various applications, such as films, sheets, profiles, pipes, cables, fibers, and coatings.
Chimassorb 119 is manufactured and supplied by INNO Specialty Chemicals, a leading producer of specialty chemicals in China. INNO has a state-of-the-art production facility that uses advanced technologies and quality control measures to ensure the consistency and purity of its products. INNO also provides technical support and customization services to its customers, to help them optimize their formulations and processes.
In conclusion, Chimassorb 119 is a highly effective and versatile UV stabilizer that can significantly improve the performance and durability of polymers. Its unique mechanism of action, broad absorption spectrum, low volatility, and thermal stability make it a preferred choice for many applications. Its availability from INNO Specialty Chemicals, a reliable and innovative supplier, ensures its accessibility and quality.
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