Multichromophoric ultraviolet stabilizers and their use in organ

Details Multichromophoric ultraviolet stabilizers and their use in organ Multichromophoric ultraviolet stabilizers and their use in organ

1978-07-12

1981-03-17

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

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

Patent

active

042566266

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 stablizers 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: 3981822 (1976-09-01), Ownby
patent: 4115348 (1978-09-01), Wang et al.

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