Title:
タイヤ用ゴム組成物及び空気入りタイヤ
Document Type and Number:
Japanese Patent JP7279437
Kind Code:
B2
Abstract:
To provide a tire rubber composition that shows excellent low rolling resistance, wet grip performance and wear resistance when made into a tire, and a pneumatic tire produced using the tire rubber composition.SOLUTION: A tire rubber composition contains a diene rubber with a number average molecular weight of 100,000 or more, silica with a CTAB adsorption specific surface of 100-300 m/g, and a liquid rubber with a number average molecular weight of less than 100,000. The ratio B/A of a rotation diameter B of the liquid rubber to a pore size A of the silica is 0.10-1.0.SELECTED DRAWING: Figure 1
Inventors:
Satoshi Mihara
Makoto Ashiura
Riki Kaguya
Kazuya Uenishi
Shinya Yu
Masayuki Kawazoe
Makoto Ashiura
Riki Kaguya
Kazuya Uenishi
Shinya Yu
Masayuki Kawazoe
Application Number:
JP2019050627A
Publication Date:
May 23, 2023
Filing Date:
March 19, 2019
Export Citation:
Assignee:
Yokohama Rubber Co., Ltd.
International Classes:
C08L9/00; B60C1/00; C08K3/36; C08L15/00
Domestic Patent References:
| JP2014231575A | ||||
| JP2016199709A | ||||
| JP2016006139A | ||||
| JP2016183268A | ||||
| JP2011094010A | ||||
| JP2018188598A | ||||
| JP201382794A |
Foreign References:
| WO2016039006A1 |
Attorney, Agent or Firm:
Hideaki Ito
Fumio Mihashi
Yoichiro Machida
Michiyo Muto
Fumio Mihashi
Yoichiro Machida
Michiyo Muto