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Title:
RUBBER COMPOSITION FOR TIRES, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2021/090660
Kind Code:
A1
Abstract:
A tire which comprises a tread that is configured from a rubber composition which contains an isoprene rubber, silica and a resin composition, wherein the tanδ at 0°C (0°C tanδ) and the tanδ at -20°C (-20°C tanδ) satisfy formula (1) with an initial strain of 2% and a dynamic strain of 1% at a frequency of 50 Hz.　Formula (1): 0.1 ≤ |(−20°C tanδ) − (0°C tanδ)| ≤ 0.3

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Inventors:
YAMADA AYUKO (JP)
Application Number:
PCT/JP2020/038927
Publication Date:
May 14, 2021
Filing Date:
October 15, 2020
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C1/00; B60C11/00; B60C11/03; C08K3/36; C08K5/548; C08L9/00; C08L25/00; C08L45/02; C08L57/02
Domestic Patent References:
WO2017126633A12017-07-27
Foreign References:
JP2013159742A2013-08-19
JP2018188503A2018-11-29
JP2010539269A2010-12-16
JP2003327755A2003-11-19
JP5559234B22014-07-23
Other References:
See also references of EP 4046820A4
Attorney, Agent or Firm:
ASAHINA & CO. (JP)
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