Kautschukzusammensetzung und Reifen

Details

Veröffentlichungs-Nr.

EP4116337

Aktenzeichen

EP22177471

Anmeldetag

7. Juni 2022

Veröffentlichung

11. Januar 2023

Rechtsraum

EP

IPC

C08C19/20C08C19/22C08K3/36C08K5/40C08L9/00C08L17/00B60C1/00C08K3/22

Abstract

Provided are a rubber composition and a tire which provide improved overall performance including excellent abrasion resistance and fuel economy during high speed running. Included is a rubber composition which contains: rubber components including an isoprene-based rubber and a polybutadiene rubber; silica; and a modified rubber material functionalized with a thiuram sulfide compound, has a silica content of 30 to 150 parts by mass per 100 parts by mass of the rubber components, and satisfies the following relationship (1) with respect to the isoprene-based rubber content and the polybutadiene rubber content: (1) Isoprene-based rubber content > Polybutadiene rubber content.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete