Title:
リムクッション用ゴム組成物及びそれを用いた重荷重用空気入りタイヤ
Document Type and Number:
Japanese Patent JP7131052
Kind Code:
B2
Abstract:
To provide a rubber composition for rim cushion excellent in durability during rim desorption, and a heavy duty pneumatic tire using the same.SOLUTION: Carbon black having nitrogen adsorption specific surface area of 75 to 130 [×10m/kg] of 50 to 90 pts.mass, a sulfenamide-based vulcanization accelerator of A pts.mass and sulfur of S pts.mass are blended with 100 pts.mass of a diene rubber containing a natural rubber or an isoprene rubber of 10 to 40 mass% and a butadiene rubber of 60 to 90 mass%, and a ratio of the blended amount A of the sulfenamide-based vulcanization accelerator and the blended amount S of the sulfur, A/S is over 2.0 and 3.2 or less.SELECTED DRAWING: Figure 1
Inventors:
Keisuke Aitake
Application Number:
JP2018083000A
Publication Date:
September 06, 2022
Filing Date:
April 24, 2018
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
C08L9/00; B60C1/00; C08K3/04; C08K3/06; C08K5/44; C08L7/00
Domestic Patent References:
| JP2001226526A | ||||
| JP797481A | ||||
| JP200026657A |
Attorney, Agent or Firm:
Clear stream international patent attorney corporation
Daytime Takayoshi
Sakazawa Masao
Daytime Takayoshi
Sakazawa Masao