Bis-benzotriazole compounds

Details Bis-benzotriazole compounds Bis-benzotriazole compounds

1978-02-03

1980-02-05

Coughlan, Jr., Paul M.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548113, C07D24920

Patent

active

041872290

ABSTRACT:
The invention relates to bis-benzotriazole compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the bis-benzotriazole compounds to prevent such degradation. These stabilizing compounds are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.

REFERENCES:
patent: 3766205 (1973-10-01), Heller et al.
patent: 3936305 (1976-02-01), Hiraishi et al.
patent: 4024153 (1977-05-01), Wang et al.

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