Rubber stabilizers derived from N-phenyl-p-phenylenediamine

Details Rubber stabilizers derived from N-phenyl-p-phenylenediamine Rubber stabilizers derived from N-phenyl-p-phenylenediamine

1984-09-04

1989-08-08

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524240, 524925, C08K 518

Patent

active

048553468

ABSTRACT:
There are disclosed novel compounds of the formula: ##STR1## wherein n=0 or 1, R.sub.1 is selected from the group consisting of a hydrogen atom, straight chain and branched chain alkyl groups and alkoxy groups, and cycloalkyl groups and cycloalkoxy groups having 5 to 8 carbon atoms, R.sub.2 is selected from the group consisting of lower alkyl groups having 1 to 5 carbon atoms, X is an oxygen atom if n=0 or a nitrogen atom if n=1, Y is selected from the group consisting of a hydrogen atom, straight chain and branched chain alkyl groups having 1 to 18 carbon atoms, cycloalkyl groups having 5 to 8 carbon atoms, alkenyl groups having 3 to 18 carbon atoms, phenyl groups, alkylphenyl groups having 7 to 14 carbon atoms and aralkyl groups having 7 to 15 carbon atoms, and R.sub.3 is selected from the same group as Y, or together with X and Y forms part of a heterocyclic ring composed of 5 or 6 atoms in which X is the hetero-nitrogen atom. Also disclosed is the use of the foregoing compounds as stabilizers in rubber or rubber latex.

REFERENCES:
patent: 2266602 (1941-12-01), Howland
patent: 2266603 (1941-12-01), Howland
patent: 4009198 (1977-02-01), Pawtak et al.
CA 76, 13963K, (1972).

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