Benzotriazole uv absorbers having enhanced durability

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 249/20 (2006.01) C07D 405/14 (2006.01) C07F 7/10 (2006.01) C07F 9/6518 (2006.01) C08K 5/3475 (2006.01) C09D 7/12 (2006.01) C09K 15/30 (2006.01)

Patent

CA 2220269

Benzotriazole UV absorbers which are substituted at the 5-position of the benzo ring by an electron withdrawing group exhibit enhanced durability and very low loss rates when incorporated into automotive coatings.

Les absorbeurs UV à base de benzotriazole qui sont substitués en position 5 du noyau benzénique par un groupe accepteur d'électron présentent une durabilité accrue et des taux de perte très faibles lorsqu'ils sont incorporés dans les revêtements dans l'industrie automobile.

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