2-(2-hydroxy-3-perfluoroalkylthiomethyl-5-alkylphenyl)-2h-...

Details 2-(2-hydroxy-3-perfluoroalkylthiomethyl-5-alkylphenyl)-2h-... 2-(2-hydroxy-3-perfluoroalkylthiomethyl-5-alkylphenyl)-2h-...

C - Chemistry, Metallurgy

07

D

C07D 249/20 (2006.01) C08K 5/3475 (2006.01) G03C 1/815 (2006.01)

Patent

CA 2101792

2-(2-HYDROXY-3-PERFLUOROALKYLTHIOMETHYL-5-ALKYLPHENYL)- 2H-BENZO TRIAZOLES, PROCESSES FOR PREPARING THEM AND STABILIZED COMPOSITIONS THEREOF Abstract of the disclosure 2-(2-Hydroxy-3-perfluoroalkylthiomethyl-5-alkylphenyl)-2H-benzotriazoles are prepared by reacting the Mannich base hydrohalide or quaternary salt of a 2-(2-hydroxy-5-alkylphenyl)-2H-benzotriazole with a perfluoroalkyl mercaptan. The products exhibit outstanding efficacy in protecting organic substrates from light induced deterioration as well as good resistance to loss by volatilization or exudation during the processing of stabilized compositions at elevated temperatures.

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