Polychromophoric benzotriazole ultraviolet stabilizers for organ

Details Polychromophoric benzotriazole ultraviolet stabilizers for organ Polychromophoric benzotriazole ultraviolet stabilizers for organ

1974-10-02

1976-05-04

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106176, 260308B, C08J 320

Patent

active

039547060

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: 3004896 (1961-10-01), Heller et al.
patent: 3366668 (1968-01-01), Strobel et al.
patent: 3385910 (1968-05-01), Tocker

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