Piperidinyl hydrogen 2-hydroxyalkyl phosphates and metal salts t

Details Piperidinyl hydrogen 2-hydroxyalkyl phosphates and metal salts t Piperidinyl hydrogen 2-hydroxyalkyl phosphates and metal salts t

1978-11-27

1980-03-25

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252300, 260 4575R, 260 458N, 546 6, 546 25, C09K 1532

Patent

active

041949897

ABSTRACT:
The invention relates to piperidinyl hydrogen 2-hydroxyalkyl phosphates which have been found to be effective ultraviolet stabilizers. The invention also relates to piperidinyl hydrogen 2-hydroxyalkyl 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 hydrogen 2-hydroxyalkyl 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, pigmets, 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: 3335146 (1967-08-01), Reifschneider
patent: 3840494 (1974-10-01), Murayama et al.
patent: 3928370 (1975-12-01), Wang et al.
patent: 4096114 (1978-06-01), Minagawa et al.
patent: 4136083 (1979-01-01), Irick et al.

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