公开(公告)号：US11518192B2

公开(公告)日：2022-12-06

申请号：US16489746

申请日：2018-03-05

Applicant: Pirelli Tyre S.p.A.

Inventor： Davide Dall'Abaco ,  Virna Formaggio ,  Luigia Rossiello ,  Thomas Hanel

IPC: B60C1/00 ,  B60C13/00 ,  C08L9/00 ,  C08K5/06 ,  C08K5/15 ,  C08K5/13

Abstract: The present invention relates to a tyre for vehicle wheels comprising at least one external structural element comprising at least one external structural element comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising (i) at least one diene elastomeric polymer, and (ii) a system for protection against ozone substantially free of polymeric static protective agents which essentially consists of at least one phenolic antioxidant in an amount substantially equal to or higher than 3 phr.

公开(公告)号：US11999193B2

公开(公告)日：2024-06-04

申请号：US17936989

申请日：2022-09-30

Applicant: Pirelli Tyre S.p.A.

Inventor： Davide Dall'abaco ,  Virna Formaggio ,  Luigia Rossiello ,  Thomas Hanel

IPC: B60C1/00 ,  B60C13/00 ,  C08K5/06 ,  C08K5/13 ,  C08K5/15 ,  C08L9/00

CPC classification number: B60C1/0025 ,  B60C1/00 ,  B60C13/001 ,  C08K5/06 ,  C08K5/13 ,  C08K5/15 ,  C08L9/00 ,  C08L2201/08 ,  C08L2205/03

Abstract: The present invention relates to a tyre for vehicle wheels comprising at least one external structural element comprising at least one external structural element comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising (i) at least one diene elastomeric polymer, and (ii) a system for protection against ozone substantially free of polymeric static protective agents which essentially consists of at least one phenolic antioxidant in an amount substantially equal to or higher than 3 phr.