Stabilized rubber or lubricant compositions containing mercaptoa

Details Stabilized rubber or lubricant compositions containing mercaptoa Stabilized rubber or lubricant compositions containing mercaptoa

1985-03-21

1986-09-16

Henderson, Christopher A.

Compositions

Electrolytes for electrical devices

C10M12970

Patent

active

046121315

ABSTRACT:
Compounds of formula I ##STR1## where R.sub.1 and R.sub.2 independently are alpha-branched alkyl of 3 to 8 carbon atoms, R.sub.3 is hydrogen, R.sub.4 is ethylene, 1,3-propylene or 1,4-butylene, and n is 2 or 4 are effective stabilizers for protecting elastomeric or acrylonitrile copolymer compositions or lubricating oil compositions against thermal oxidation and discoloration. 2-Mercaptoethyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate is particularly useful.

REFERENCES:
patent: 3285855 (1966-11-01), Dexter

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