C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
260/492, 400/942
C08K 5/37 (2006.01) C07C 149/40 (1980.01)
Patent
CA 1096398
Abstract of the Disclosure A phenolic antioxidant is combined with a sulfur- containing compound to form a larger antioxidant molecule. The resulting compounds are non-staining and prevent polymer degradation. Said larger antioxidant molecule as a struct- ural formula selected from the group consisting of Image (I) and Image (II) wherein R1 and R2 are the same or different radicals selected from the group consisting of hydrogen, alkyl radicals having from 1 to 10 carbon atoms, cycloalkyl radicals having from 5 to 8 carbon atoms, aralkyl radicals having from 7 to 9 carbon atoms, and substituted and unsubstituted aryl radicals con- taining from 6 to 8 carbon atoms, m is 1 or 2, A is selected from the group consisting of -K-X-, -X-Z-X- or -T-Z-X and B is -X-Z-X- wherein K is an alkylene group containing from 1 to 10 carbon atoms, Z is an alkylene radical containing from 2 to 10 carbon atoms, X is oxygen, T is sulfur, Y is a bivalent radical selected from the group consisting of -C-, -O-, -S- and alkylene radicals containing from 1 to 5 carbon atoms.
268290
Smart & Biggar
The Goodyear Tire & Rubber Company
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