Triazine UV absorbers are efficient alternatives

The primary external concern about benzotriazoles is that they may act as endocrine disruptors. Benzotriazole (BTZ) derivatives have been found to exhibit estrogenic effects, meaning they can mimic estrogen in the body. This could lead to various negative effects on human and animal health. Additionally, benzotriazole derivatives may be toxic to aquatic organisms. Studies have shown that some derivatives can accumulate in fish and other aquatic species, potentially harming these organisms.

Given these concerns, more BTZ UV absorbers have been added to the SVHC (Substances of Very High Concern) list, prompting people to seek greener alternatives. Since triazine UV absorbers are also highly effective in the UVA spectrum, they have undoubtedly become the preferred choice for high-end plastic projects.

Benefits of Triazine UV absorbers

Compared to BTZ, triazines are more tightly regulated, meaning their use is carefully monitored and restricted, ensuring broader applicability. Triazines are generally considered less toxic to aquatic organisms and have a lower environmental impact. Triazine UV absorbers offer better overall performance and are more suited for high-end applications with rigorous testing standards. They have a high thermal degradation temperature, making them stable during high-temperature processing and less prone to migration or leaching. Additionally, they exhibit excellent light resistance, with lower degradation under prolonged sunlight exposure. Triazine UV absorbers also show excellent chemical resistance, without interacting with metals or strong bases.

Omnistab Triazine UV absorbers with stable supply

Omnistab UV 1577

UV 1577 has excellent compatibility with various polymers and co-additives. It provides greater weathering resistance to polycarbonate and polyester materials compared to conventional benzotriazole UV absorbers. The UV 1577 is suitable for PET, PBT, PC (linear and branched), polyester, PMMA, acrylic copolymer, PA, PS, SAN, ASA, and polyolefins. It is especially suitable for polycarbonate (PC) films, sheets, plates, etc. It shows excellent compatibility with PC, very low volatility during high-temperature melt processing, and is not prone to precipitation.

Omnistab UV 1164

UV 1164 offers excellent light and heat stability, with minimal impact on product color. It is widely used in nylon, PVC, PET, PBT, ABS, PMMA, and other high-performance plastic products.

Omnistab UV 400

UV 400 is a hydroxyphenyltriazine (HPT) type UV liquid absorber with very high thermal stability, even under high baking conditions or extreme environmental stress. It prevents issues such as gloss reduction, delamination, cracking, and blistering of coatings.

Frequently Asked Questions (FAQ)