Patent ID: 6706217
Filing Date: 2004-03-16
Classification: C08K

Abstract:
A rubber composition comprising (a) a rubber component; and, (b) a liquid antiozonant mixture obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylene-diamine compound of the general formula wherein R1 and R2 are the same or different and are hydrogen, a branched or straight chain alkyl, alkenyl, alkoxyl, aralkyl, alkaryl, phenyl, hydroxyalkyl or heterocyclic; with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst.