Title:
ゴム組成物およびそれを用いた空気入りタイヤ
Document Type and Number:
Japanese Patent JP7225843
Kind Code:
B2
Abstract:
To provide a rubber composition capable of simultaneously satisfying high hardness, low heat generation property, good tackiness with time and excellent run flat durability.SOLUTION: There is provided a rubber composition obtained by blending 50 to 70 pts.mass of carbon black having a nitrogen absorption specific surface area of 30 to 60 m/g, 5 to 7 pts.mass of sulfur and 0.5 to 20 pts.mass of a polyglycerol fatty acid ester derived from a fatty acid having 6 to 24 carbon atoms based on 100 pts.mass of a diene-based rubber containing 70 pts.mass or more of a butadiene rubber.SELECTED DRAWING: None
Inventors:
Masato Ozaki
Application Number:
JP2019011826A
Publication Date:
February 21, 2023
Filing Date:
January 28, 2019
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
C08L9/00; B60C1/00; B60C17/00; C08K3/04; C08K3/06; C08K5/103
Domestic Patent References:
| JP2017031308A | ||||
| JP2002144827A | ||||
| JP11302458A | ||||
| JP2016155966A | ||||
| JP5305683A | ||||
| JP2016037556A | ||||
| JP2017222830A |
Attorney, Agent or Firm:
Shigeru Noda