Liquid 2-(2-hydroxy-3-higher branched alkyl-5-methyl-phenyl)-2H-

Details Liquid 2-(2-hydroxy-3-higher branched alkyl-5-methyl-phenyl)-2H- Liquid 2-(2-hydroxy-3-higher branched alkyl-5-methyl-phenyl)-2H-

1985-01-22

1986-05-06

Kight, John

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24920

Patent

active

045873461

ABSTRACT:
Liquid 2-(2-hydroxy-3-higher branched alkyl-5-methylphenyl)-2H-benzotriazole mixtures are prepared by alkylating 2-(2-hydroxy-5-methylphenyl)-2H-benzotriazole with a straight chain alkene or with a branched chain alkene of 8 to 30 carbon atoms in the presence of an acidic catalyst at 100.degree.-200.degree. C. The liquid mixtures 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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V. I. Markov et al., Vopr Khim Khim Tekhnol, 72, 70 (1983) (=CA, 102, 95578f (1985)).

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