2-(2-hydroxy-3-perflu oroalkylthiomethyl-5-alkylphenyl)-2H-benzo

Details 2-(2-hydroxy-3-perflu oroalkylthiomethyl-5-alkylphenyl)-2H-benzo 2-(2-hydroxy-3-perflu oroalkylthiomethyl-5-alkylphenyl)-2H-benzo

1993-07-12

1994-05-17

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

252402, 548256, 548260, C08K 53475, C07D24920

Patent

active

053128524

ABSTRACT:
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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