Benzotriazole ultraviolet stabilizers and their use in organic c

Details Benzotriazole ultraviolet stabilizers and their use in organic c Benzotriazole ultraviolet stabilizers and their use in organic c

1978-10-27

1980-11-25

Coughlan, Jr., Paul M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548259, C07D24918

Patent

active

042360137

ABSTRACT:
The invention relates to heterocyclic ester compounds which have been found to be extremely effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a heterocyclic ester 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 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: 4137235 (1979-01-01), Irick et al.

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