Tris-aryl s-triazines substituted with biphenylyl groups

C - Chemistry – Metallurgy – 07 – D

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C07D 251/24 (2006.01) C07D 401/14 (2006.01) C07D 405/14 (2006.01) C08K 5/3492 (2006.01)

Patent

CA 2213958

Selected s-triazines of formula I (See Fig. I) where G1 and G2 are biphenylyl moieties, are UV absorbers having high thermal stability and surprisingly high extinction coefficients making them of especial interest in stabilizing automotive coatings where such properties are highly valued.

S-triazines sélectionnées, de formule I (voir Fig. I), où G1 et G2 sont des fractions biphényles; ce sont des absorbeurs de UV à forte stabilité thermique et coefficients d'extinction étonnament élevés, d'où leur intérêt pour la stabilisation des revêtements dans l'automobile, où ces propriétés sont très recherchées.

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