raw rubber emulsion compositions, of synthetic latex or natural rubber latex stabilized with esters of beta- (5-tert-butyl-4-hydroxy-3 methylphenyl) propionic acid

Describes comprisinga compositions) a raw rubber emulsion, synthetic latex or natural rubber latex capable of oxidative, thermal, dynamic and / or light-induced degradation, and b) as stabilizer at least one compound of formula I (CF DRAWING iN BOPI) wherein R1 represents an alkyl group of C8-C20; and eventuellementc) as another stabilizer, at least one alkylthiomethylphenol compound.