Title:
SIDEWALL RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2020/255451
Kind Code:
A1
Abstract:
The present invention aims to provide a sidewall rubber composition that has excellent low rolling resistance characteristics and can improve pass-by noise, when applied to a tire. In order to achieve this aim, this sidewall rubber composition used in tire sidewalls is characterized by having a tan δ ratio at 0°C relative to a tan δ ratio at 30°C (0°C tan δ/ 30°C tan δ) of at least 2.00.
Inventors:
TAHARA SEICHI (JP)
KAWASHIMA KEISUKE (JP)
KAWASHIMA KEISUKE (JP)
Application Number:
PCT/JP2019/048442
Publication Date:
December 24, 2020
Filing Date:
December 11, 2019
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C1/00; C08L7/00; C08L9/00; C08L9/06; C08L21/00
Foreign References:
JP2009155631A | 2009-07-16 | |||
JP2008056733A | 2008-03-13 | |||
JP2008031427A | 2008-02-14 | |||
JP2019111892A | 2019-07-11 | |||
JP2010013553A | 2010-01-21 |
Other References:
See also references of EP 3988325A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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