Title:
ゴム組成物及びタイヤ
Document Type and Number:
Japanese Patent JP6916343
Kind Code:
B2
Abstract:
A rubber composition and a tire that can ensure the balance between the vulcanization speed and the foaming speed are provided. A rubber composition comprises: a diene-based rubber component; a foaming agent generating carbon dioxide; a fatty acid metal salt; and urea, wherein a content of the foaming agent is 0.1 parts to 20 parts by mass with respect to 100 parts by mass the diene-based rubber component, a total content of the fatty acid metal salt and the urea is 0.1 parts to 20 parts by mass with respect to 100 parts by mass the diene-based rubber component, and a mass ratio of the fatty acid metal salt and the urea is 1:0.5 to 1:3.9.
Inventors:
Miyoshi Masaki
Application Number:
JP2020082133A
Publication Date:
August 11, 2021
Filing Date:
May 07, 2020
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C1/00; C08K3/26; C08K5/098; C08K5/21; C08L9/00
Domestic Patent References:
| JP9281776A | ||||
| JP2016169243A | ||||
| JP11078435A | ||||
| JP2010168469A | ||||
| JP2014520174A |
Foreign References:
| CN102964619A | ||||
| WO2006028505A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Kazuyuki Tomita
Koji Kakinuma
Mitsutsugu Sugimura
Kazuyuki Tomita
Koji Kakinuma