Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-05-16
1979-08-14
Hoke, V. P.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 4575N, 260 4575K, 260 4575W, 260 458N, 260 457P, 546 25, 546 16, 546 6, C08K 552
Patent
active
041644948
ABSTRACT:
The invention relates to piperidinyl phosphates which have been found to be effective ultraviolet stabilizers. The invention also relates to piperidinyl phosphate salts which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the piperidinyl phosphates or salts thereof 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, or coated on the exterior of the molded article, film or extruded fiber.
REFERENCES:
patent: 3640928 (1972-02-01), Murayama et al.
patent: 4001181 (1977-01-01), Ramey et al.
patent: 4046737 (1977-09-01), Holt et al.
patent: 4056507 (1977-11-01), Ramey et al.
Irick, Jr. Gether
Wang Richard H. S.
Eastman Kodak Company
Hoke V. P.
Reece III Daniel B.
Tootle Clyde L.
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