Multichromophoric benzotriazole ultraviolet stabilizers and thei

Details Multichromophoric benzotriazole ultraviolet stabilizers and thei Multichromophoric benzotriazole ultraviolet stabilizers and thei

1976-05-14

1978-02-14

Cockeram, H. S.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

106176, 252402, 260 458NT, C09K 1532, C09K 1530, C08K 534

Patent

active

040737454

ABSTRACT:
The invention relates to multichromophoric 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 multichromophoric 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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