Oligomeric amine and phenolic antidegradants
AssigneeThe Goodyear Tire & Rubber Company
InventorRoger J. Hopper
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AssigneeThe Goodyear Tire & Rubber Company
InventorRoger J. Hopper
Estimating the term…
There is disclosed a compound having the structure A--S--X--S--A' I wherein A and A' are radicals independently selected from the group consisting of the following structures: ##STR1## wherein R.sub.1 and R.sub.2 are tertiary alkyl radicals having 4 to 8, preferably 4 to 6 carbon atoms, n is a whole number of 1 to 8, R.sub.3 and R.sub.4 are the same or different radicals selected from the group consisting of hydrogen and alkyl radicals having 1 to 18 carbon atoms, R.sub.5 is hydrogen or methyl and Z is --O-- or ##STR2## A' can also be hydrogen; and X is a divalent oligomeric segmer having the structure: ##STR3## wherein m ranges from an average of 4 to about 24. There is also disclosed a polymeric cmposition comprising a polymer susceptible to the degradative effects of oxidation having incorporated therein an antidegradant amount of a compound of Structure I.
A compound having the structure
Dependencies are inferred from the claim text.