| abstract |
The present invention relates to at least one reinforcing element (10), an adhesive layer (14) made of an adhesive composition and coating the reinforcing element (10), an elastomeric bonding layer made of an elastomeric bonding composition and directly coating the adhesive layer (14); 16), an elastomeric body made of an elastomeric matrix, in which a reinforcing element (10) coated with an adhesive layer (14) and an elastomeric bonding layer (16) is embedded. wherein the adhesive composition comprises at least one aromatic ring bearing at least two hydroxyl functional groups in meta positions with respect to each other and no substituents at two ortho positions with respect to at least one of the hydroxyl functional groups; and phenol-aldehyde resins containing an aromatic aldehyde having at least one aldehyde functional group and comprising at least one aromatic ring. |