Heterocyclic benzoate ultraviolet stabilizers and their use in o

Details Heterocyclic benzoate ultraviolet stabilizers and their use in o Heterocyclic benzoate ultraviolet stabilizers and their use in o

1978-02-17

1981-12-29

Kight, III, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458N, 260 458NZ, 260 458SN, C08K 534, C08K 535, C08K 547

Patent

active

043081940

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: 2737516 (1956-03-01), Sartori
patent: 2995540 (1961-08-01), Duennenberger et al.
patent: 3112338 (1963-11-01), Smutny et al.
patent: 3519599 (1970-07-01), Newland et al.
patent: 3551443 (1970-12-01), Duennenberger et al.
patent: 3886117 (1975-05-01), Havinga et al.

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