Polychromophoric benzotriazole ultraviolet stabilizers

Details Polychromophoric benzotriazole ultraviolet stabilizers Polychromophoric benzotriazole ultraviolet stabilizers

1975-12-10

1977-05-17

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D24920

Patent

active

040241530

ABSTRACT:
The invention relates to polychromophoric 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 polychromophoric 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: 3766205 (1973-10-01), Heller et al.

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