Butylated and octylated dialkyldiphenylamine

Details Butylated and octylated dialkyldiphenylamine Butylated and octylated dialkyldiphenylamine

C - Chemistry, Metallurgy

07

C

253/106, 260/600

C07C 37/54 (2006.01) C10M 133/12 (2006.01)

Patent

CA 1264333

ABSTRACT OF THE DISCLOSURE An antioxidant product used in organic materials subject to degradation wherein the antioxidant product comprises a mixture of para-ortho-alkylated diphenylamines of particular butylated and octylated dialkyldiphenylamines. The antioxidant product can be made utilizing a process wherein an ortho-alkylated diphenylamine is para-alkylated by a reaction with an olefin in the presence of a catalyst regenerated from the ortho-alkylation, wherein the para-alkylation reaction is carried out at a temperature between about 180°C and 220°C.

512912

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