composição de borracha, processo de preparação de uma composição de borracha reforçada, produto semi-acabado de borracha para pneumático, e, pneumático.

摘要

Reinforced rubber composition, exhibiting improved hysteresis, based on at least (a) an elastomeric matrix predominantly based on natural rubber, (b) a reinforcing filler and (c) a specific polyamine compound present in a proportion of between 0 and 7 mmol per 100 g of elastomer. This rubber composition is intended, for example, for the manufacture of a semi-finished rubber product intended for the tires of motor vehicles.