Lubricant compositions containing N-substituted naphthylamines a

Details Lubricant compositions containing N-substituted naphthylamines a Lubricant compositions containing N-substituted naphthylamines a

1972-05-22

1976-03-16

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252401, C10M 132

Patent

active

039444929

ABSTRACT:
Derivatives of diphenylamine or phenylnaphthylamine of the types ##SPC1##
Where R.sub.1, R.sub.9 and R.sub.12 are phenyl or p-tolyl groups and the remaining R's, X and Y may be alkyl or various other substituents, are useful antioxidants for lubricating oils or for various polymeric substrates (e.g. polypropylene) especially in combination with a dialkyl thiodipropionate. Typical antioxidants are 4,4'-bis-(alpha,alpha-p-trimethylbenzyl)diphenylamine made by reacting p,alpha-dimethylstyrene with diphenylamine, and N-(4-alpha,alpha-dimethylbenzylphenyl)-1-(alpha,alpha dimethylbenzyl)-2-napthylamine made by reacting alpha-methylstyrene with N-phenyl-2-naphthylamine.

REFERENCES:
patent: 2530769 (1950-11-01), Hollis
patent: 2943112 (1960-06-01), Popoff et al.
patent: 3004916 (1961-10-01), Ertelt
patent: 3072603 (1963-01-01), Tholstrup
patent: 3346496 (1976-10-01), Neumann et al.
patent: 3505225 (1970-04-01), Wheeler
patent: 3509214 (1970-04-01), Braid et al.
patent: 3573206 (1971-03-01), Braid et al.
patent: 3660290 (1972-05-01), Schlobohm

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