Title:
RUBBER COMPOSITION FOR TIRE, PNEUMATIC TIRE OBTAINED USING SAME, AND METHOD FOR PRODUCING RUBBER COMPOSITION FOR TIRE
Document Type and Number:
WIPO Patent Application WO/2020/213708
Kind Code:
A1
Abstract:
The present invention provides a rubber composition for tires which has improved silica dispersibility in the rubber and attains both excellent low-heat-buildup properties and excellent breaking strength. The rubber composition for tires was obtained by incorporating 30 parts by mass or more of silica and 0.7-5 parts by mass of a tetrazine compound having a specific structure into 100 parts by mass of a diene-based rubber and further incorporating zinc or a zinc compound so that the mass ratio of the zinc to the tetrazine compound was 1.5 or higher.
Inventors:
TAKAHASHI KENICHIRO (JP)
SATO MASAKI (JP)
SATO MASAKI (JP)
Application Number:
PCT/JP2020/016844
Publication Date:
October 22, 2020
Filing Date:
April 17, 2020
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C1/00; C08K3/08; C08K3/22; C08K3/36; C08K5/3477; C08K5/54; C08L9/00; C08L21/00
Domestic Patent References:
| WO2017057758A1 | 2017-04-06 |
Foreign References:
| JP2018150437A | 2018-09-27 | |||
| JP2015093928A | 2015-05-18 |
Attorney, Agent or Firm:
NODA, Shigeru (JP)
Download PDF: