Multichromophoric ultraviolet stabilizers for organic compositio

Details Multichromophoric ultraviolet stabilizers for organic compositio Multichromophoric ultraviolet stabilizers for organic compositio

1975-10-28

1977-08-23

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

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

Patent

active

040439739

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: 3864354 (1975-02-01), Irick et al.
patent: 3936419 (1976-02-01), Wang et al.

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