Benzotriazole benzoate ultraviolet stabilizers

Details Benzotriazole benzoate ultraviolet stabilizers Benzotriazole benzoate ultraviolet stabilizers

1976-02-17

1978-02-21

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D24920

Patent

active

040752208

ABSTRACT:
The invention relates to heterocyclic benzoate compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a heterocyclic benzoate 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 be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.

REFERENCES:
patent: 3766205 (1973-10-01), Heller et al.
patent: 3957813 (1976-05-01), Irick et al.
patent: 4000148 (1976-12-01), Pond et al.

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