Sulfur-containing esters as synergists of amine and phenolic...

Details Sulfur-containing esters as synergists of amine and phenolic... Sulfur-containing esters as synergists of amine and phenolic...

C - Chemistry, Metallurgy

07

C

260/472, 260/491

C07C 323/56 (2006.01) C07C 323/52 (2006.01) C09K 15/12 (2006.01) C09K 15/26 (2006.01)

Patent

CA 2036643

The present invention relates to thioesters having the structural formula: see Formula wherein R X is selected from the group of formulae consisting of: see Formulae R1, R2 and R3 are independently selected from the group of radicals consisting of hydrogen or methyl; R4 and R5 are independently selected from the group of radicals consisting of hydrogen, alkyls having 1 to 18 carbon atoms, aryls having 6 to 10 carbon atoms, aralkyls having 7 to 9 carbon atoms, and radicals of the formula: see Formula and R6 is selected from the group of radicals consisting of alkyls having 1 to 24 carbon atoms, aryls having 6 to 12 carbon atoms and aralkyls having 7 to 12 carbon atoms. These thioesters are particularly useful as a synergist for conventional phenolic and amine antioxidants.

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