2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole in stabil

Details 2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole in stabil 2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole in stabil

1983-01-10

1984-05-08

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Multilayer

430512, 430931, G03C 184

Patent

active

044475110

ABSTRACT:
2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole exhibits 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.
This stabilizer and its 5-chloro analog exhibit great resistance to volatilization, enhanced solubility in selected solvents, desirable absorption characteristics in the ultraviolet range and photographic inertness. This combination of properties makes these benzotriazoles particularly useful in photographic compositions especially in protecting color dye images against the harmful effects of ultraviolet light.

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patent: 4230867 (1980-10-01), Kintopf
patent: 4278590 (1981-07-01), Dexter et al.
patent: 4383863 (1983-05-01), Dexter et al.

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