Phenol esters and amides and polymers stabilized therewith

Details Phenol esters and amides and polymers stabilized therewith Phenol esters and amides and polymers stabilized therewith

1976-07-27

1979-01-02

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

568715, 544357, 252400R, 544180, 252400A, 544170, 252401, 560 8, 560 85, 252403, 560180, 560154, 252404, 560193, 252405, 560 32, 560221, 252406, 560254, 252407, 106176, 106181, 260 458RW, 260 4585T, 260 4585S, 2603322C, 2603985, 2604105, 260455R, 260456P, 260562R, 2605705R, 260558R, 2604488R, 260462C, 260463, 260927R, 260930, 260941, 260951, 260964, 260965, 260967, C08K 534, C08K 545, C08K 511, C08K 512

Patent

active

041327020

ABSTRACT:
Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another denote alkyl, cycloalkyl or aralkyl, R.sub.3 denotes hydrogen or, conjointly with R.sub.1, denotes tetramethylene, R.sub.4 denotes hydrogen or lower alkyl or, conjointly with R.sub.2, denotes tetramethylene, R.sub.5 denotes hydrogen, alkyl, aralkyl, acyloxyalkyl, oxaalkyl or phenyl, R.sub.6 denotes hydrogen, alkhyl, phenyl or the group or, conjointly with R.sub.5, denotes alkylene, R.sub.7 denotes hydrogen, alkyl, phenyl, benzyl or alkylphenyl or, conjointly with R.sub.5 or R.sub.6, denotes alkylene or, conjointly with R.sub.5 and R.sub.6, denotes alkanetriyl, R.sub.5, R.sub.6 and R.sub.7 together containing at least one carbon atom, Y denotes --O-- or --NH--, P denotes 1, 2, 3 or 4 and A denotes hydrogen or a group which is derived from an organic or inorganic oxygen acid A-(OH).sub.p, are suitable for stabilizing organic material against thermo-oxidative degradation.

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