Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/182536
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a pneumatic tire that has a small environmental load by not containing resorcin in an adhesive composition used for coating organic fiber cords, and that has an excellent rolling resistance. The tire according to the present invention is provided with a tread part including a base tread and a cap tread located outward of the base tread in the tire radial direction. The tire is characterized by having an organic fiber cord coated with an adhesive composition containing a polyphenol and an aldehyde, and is characterized in that, in the base tread, the ratio (0°C tanδ/30°C tanδ) of tanδ (0°C tanδ) at 0°C and 10 Hz with respect to tanδ (30°C tanδ) at 30°C and 10Hz is 2.90 or more.
Inventors:
KAWASHIMA KEISUKE (JP)
TAKADA CHIE (JP)
TAKADA CHIE (JP)
Application Number:
PCT/JP2021/009646
Publication Date:
September 16, 2021
Filing Date:
March 10, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C1/00; B60C9/00; B60C11/00; D06M13/395; D06M15/41; D06M15/693
Domestic Patent References:
| WO2017209264A1 | 2017-12-07 |
Foreign References:
| JP2020029146A | 2020-02-27 | |||
| JP2019116574A | 2019-07-18 | |||
| JP2017218042A | 2017-12-14 | |||
| JP2019523320A | 2019-08-22 | |||
| JP2018508605A | 2018-03-29 | |||
| JP2012106529A | 2012-06-07 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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