Phosphite ester stabilizers

Details Phosphite ester stabilizers Phosphite ester stabilizers

1979-12-17

1982-06-08

Hoke, V. P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

260953, C07F 9145, C08K 552

Patent

active

043338682

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, alkyl, phenyl or the group ##STR2## 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.

REFERENCES:
patent: 3017422 (1962-01-01), Thompson
patent: 3281505 (1966-10-01), Spivack
patent: 3361846 (1968-01-01), Gleim et al.
patent: 3763287 (1973-10-01), Chiddix et al.
patent: 3795700 (1974-03-01), Brook et al.
patent: 3925306 (1975-12-01), Schlichting et al.
patent: 3927091 (1975-12-01), Huber-Emden et al.
patent: 3975360 (1976-08-01), Kline
patent: 4067895 (1978-01-01), Hofer et al.
patent: 4069200 (1978-01-01), Spivack
patent: 4091225 (1978-05-01), Parker
patent: 4100191 (1978-07-01), Fischer et al.
patent: 4132702 (1979-01-01), Schmidt et al.
CA 82, 3991c, (1975).

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