| abstract |
There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, b) a compound of the formula (I) wherein R 1 is C 8 -C 12 alkyl, R 2 is hydrogen, C 1 -C 12 alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, α-methylbenzyl, α,α-dimethylbenzyl or —CH 2 —S—R 1 , R 3 is C 1 -C 12 alkyl, benzyl, α-methylbenzyl, α,α-dimethylbenzyl or —CH 2 —S—R 1 , R 4 is hydrogen or methyl, and c) a styrenated diphenylamine of the formula (II). |