Provided are sealant rubber compositions which have excellent fracture properties and good sealing performance after aging, as well as pneumatic tires (self-sealing tires) including the rubber compositions. Included are sealant rubber compositions containing 100 parts by mass of at least one butyl-based rubber, 0.5 to 3 parts by mass of at least one thiourea crosslinking agent of formula (I), 1 to 10 parts by mass of at least one thiazole vulcanization accelerator and/or thiuram vulcanization accelerator, and 100 to 300 parts by mass of at least one liquid polymer.
SEALANT RUBBER COMPOSITION AND PNEUMATIC TIRE
VERSIEGELUNGSKAUTSCHUKZUSAMMENSETZUNG UND LUFTREIFEN
COMPOSITION DE CAOUTCHOUC DE SCELLEMENT ET PNEUMATIQUE
2022-11-09
Patent
Elektronische Ressource
Englisch