Bichromophoric benzotriazole-styrene ultraviolet stabilizers and

Details Bichromophoric benzotriazole-styrene ultraviolet stabilizers and Bichromophoric benzotriazole-styrene ultraviolet stabilizers and

1976-08-16

1978-01-24

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260308B, C08K 534

Patent

active

040703371

ABSTRACT:
The invention relates to bichromophoric benzotriazole-styrene 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 bichromophoric composition to prevent such degradation. These stabilizers 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: 3218332 (1965-11-01), Heller et al.
patent: 3404161 (1968-10-01), Strobel et al.
patent: 3475341 (1969-10-01), Okubo
patent: 3573216 (1971-03-01), Strobel et al.
patent: 3576003 (1971-04-01), Strobel et al.
patent: 3981884 (1976-09-01), Wang et al.

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