5-Aralkyl substituted 2h-benzotriazoles in stabilized compositio

Details 5-Aralkyl substituted 2h-benzotriazoles in stabilized compositio 5-Aralkyl substituted 2h-benzotriazoles in stabilized compositio

1988-04-01

1989-08-29

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 534

Patent

active

048618136

ABSTRACT:
5-alpha-Cumyl-2-(2-hydroxy-3,5-di-tert-butylphenyl)-2H-benzotriazole and related 2H-benzotriazoles substituted on the benzo ring by at least one aralkyl group such as benzyl, alpha-methylbenzyl or alpha-cumyl exhibit outstanding efficacy in protecting organic substrates from light-induced deterioration as well as good resistance to loss by volatilization or exudation during the high temperature processing of stabilized compositions. The above-named compounds are surprisingly soluble in common organic solvents, and exhibit very high extinction coefficients.

REFERENCES:
patent: 4278589 (1981-07-01), Dexter et al.
patent: 4278590 (1981-07-01), Dexter et al.
patent: 4283327 (1981-08-01), Dexter etal.
patent: 4760148 (1988-07-01), Seltzer et al.

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