Kautschukzusammensetzung und Reifen

Details

Veröffentlichungs-Nr.

EP3584092

Aktenzeichen

EP19172698

Anmeldetag

6. Mai 2019

Veröffentlichung

24. Februar 2021

Erteilung

24. Februar 2021

Rechtsraum

EP

IPC

B60C1/00C08L21/00C08L47/00C08L57/02C08K3/36// C08K5/548

Abstract

<div notation="docdba" type="abstract" xml:base="/api/emi/section/ff577399-47a9-4bc1-a50d-05a74d2f1c0f/image" xml:lang="en"><p>An object of the present invention is to provide a rubber composition having improved fuel efficiency, wet grip performance and abrasion resistance in good balance, and a tire having a tire member composed of the rubber composition. The rubber composition is a rubber composition comprising: 5 to 20 parts by mass of a terpene resin having a weight-average molecular weight of 500 to 4,000, 5 to 30 parts by mass of a liquid rubber and/or a liquid resin having a weight-average molecular weight of 100 to 4,000, and 95 to 160 parts by mass of silica, based on 100 parts by mass of a diene rubber, wherein a volume change rate of the rubber composition measured in accordance with JIS K 6258 after having been dipped in toluene of 40°C for 24 hours is of 220 to 270%.</p></div>

Anmelder

Firmen

SUMITOMO RUBBER INDUSTRIES, LTD.
Sumitomo Rubber Industries Ltd.

Land

🇯🇵 Japan

Fachgebiete