Evaluation of Some Polyaromatic Amines as Antirads and Antifatigue Agents in SBR Vulcanizates

Abstract Six polyaromatic amines, polyaniline, poly(o-toluidine), poly(m-toluidine), poly(m-anisidine), poly(2-aminopyridine), and poly(2-amino-6-methylpyridine), have been prepared by the chemical oxidation of their monomers using potassium persulphate. These polymers were incorporated into styrene-butadiene rubber (SBR) mixes. The rheometric characteristics of the green rubber mixes were determined using an oscillating disc rheometer. The compounds were evaluated as antirads and antifatigue agents in SBR vulcanizates. The efficiency of the polymers was correlated with their chemical structures. It was found that the polymers investigated show good antirad and antifatigue behavior compared with the conventional, industrially used agent, phenyl-β-naphthyl amine (PβN).