Title:
タイヤトレッド用ゴム組成物および空気入りタイヤ
Document Type and Number:
Japanese Patent JP4666089
Kind Code:
B2
Abstract:
A rubber composition for a tire tread including a diene rubber component and silica and carbon black, and a pneumatic tire provided with a tread manufactured from this rubber composition, the diene rubber component including: (A) from 30 to 80 mass % of a hydroxy group-containing aromatic vinyl-conjugated diene copolymer including from 20 to 30 mass % of aromatic vinyl units and from 0.1 to 10 mass % of isoprene units, and having an amount of vinyl bonds in a conjugated diene part from 40 to 60 mol %; (B) from 10 to 50 mass % of a high-cis butadiene rubber having an amount of 90 mol % or more of cis-1,4 bonds; and (C) from 10 to 50 mass % of natural rubber; wherein a total amount of the silica and the carbon black is from 90 to 150 parts by mass per 100 parts by mass of the diene rubber component.
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Inventors:
Naoki Kushida
Application Number:
JP2009122288A
Publication Date:
April 06, 2011
Filing Date:
May 20, 2009
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
C08L9/00; B60C1/00; C08K3/04; C08K3/36; C08L7/00
Domestic Patent References:
| JP2009084413A | ||||
| JP2004043731A | ||||
| JP2004043735A | ||||
| JP2004263098A | ||||
| JP2009029961A | ||||
| JP2006143818A |
Foreign References:
| WO1996023027A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Koji Takeuchi
Atsushi Ebiya
Takashi Ishida
Tetsuji Koga
Koji Takeuchi
Atsushi Ebiya