Polyalkylpiperidinyl esters of diazocarboxylic acid and their us

Details Polyalkylpiperidinyl esters of diazocarboxylic acid and their us Polyalkylpiperidinyl esters of diazocarboxylic acid and their us

1977-06-20

1979-05-15

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458R, 260141, 260156, 260239AA, 546190, C07C11302, C07D20318, C08K 510, C08K 520

Patent

active

041547225

ABSTRACT:
Polyalkylpiperidinyl esters of diazocarboxylic acids are prepared, which compounds protect organic polymers against UV light degradation. The light stabilizers have the ability to react with the organic polymeric substrates thus making the piperidinyl esters migration and extraction resistant. Polymers which may be stabilized with the compounds of this invention include polypropylene, polyethylene, polystyrene and polyamides.

REFERENCES:
patent: 3440239 (1969-04-01), Harvey
patent: 3509131 (1970-04-01), Church et al.
Holt et al., Chemical Abstracts, vol. 79, #54269u (1973).
Murayama et al. (I), Chemical Abstracts, vol. 72, #67726w (1970).
Murayama et al. (II), Chemical Abstracts, vol. 83, #60490h (1975).
Matsui et al., Chemical Abstracts, vol. 77, #20730f (1972).

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