Ultraviolet light stabilized polymers

Details Ultraviolet light stabilized polymers Ultraviolet light stabilized polymers

1976-11-29

1978-06-20

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4585R, 260 458NT, 260 458SN, 260 458NZ, 260 4595F, 106176, C08K 546, C08K 547, C08K 534, C08K 535

Patent

active

040961150

ABSTRACT:
The invention relates to aryl ester-based compounds which have been found to be extremely effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of an aryl ester-based 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 in the polymer melt or dissolved in the polymer dope, or coated on the exterior of the shaped or molded article, film or extruded fiber.

REFERENCES:
patent: 3322705 (1967-05-01), Kauder et al.
patent: 3666713 (1972-05-01), Wear
patent: 3808278 (1974-04-01), Avar
patent: 3833658 (1974-09-01), Avar et al.

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