Kautschukzusammensetzung für Reifen und Luftreifen

Details

Veröffentlichungs-Nr.

EP3312232

Aktenzeichen

EP17193899

Anmeldetag

28. September 2017

Veröffentlichung

7. August 2019

Erteilung

7. August 2019

Rechtsraum

EP

IPC

B60C1/00C08K3/36C08K5/5419C08K5/548C08L9/06C08L9/00

Abstract

Provided are a rubber composition for tires which achieves both abrasion resistance and processability while maintaining fuel economy, and a pneumatic tire including the rubber composition. A rubber composition for tires, containing an organosilicon compound represented by the average compositional formula (I) below having a ratio of the number of sulfur atoms to the number of silicon atoms of 1.0 to 1.5, wherein x represents the average number of sulfur atoms; m represents an integer of 6 to 12; and R 1 to R 6 are the same or different and each represent a C1-C6 alkyl or alkoxy group, at least one of R 1 to R 3 and at least one of R 4 to R 6 are the alkoxy groups, and two or more of the alkyl or alkoxy groups for R 1 to R 6 may be joined to form a ring.

Anmelder

Firmen

SUMITOMO RUBBER INDUSTRIES, LTD.
Shin-Etsu Chemical Company, Ltd.
Shin-Etsu Chemical Co., Ltd.

Land

🇯🇵 Japan

Fachgebiete