Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2021/182537
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a pneumatic tire that imparts little burden upon the environment and has superior durability and rolling resistance without resorcin being included in an adhesive composition which is coated onto organic fiber cords of the tire. In order to solve this problem, the pneumatic tire according to the present invention is characterized by: comprising organic fiber cords coated with an adhesive composition containing a polyphenol and an aldehyde; at least one of the side reinforcement rubber and the bead filler containing a rubber component and a filler; and the tire having a dynamic storage modulus (E') of 10 MPa or less at 1% dynamic strain and 25°C, and a Σ value of 5.5 or less for the loss tangent tanδ at 28°C to 150°C.
Inventors:
TAKADA CHIE (JP)
Application Number:
PCT/JP2021/009647
Publication Date:
September 16, 2021
Filing Date:
March 10, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C1/00; B60C9/00; B60C15/06; B60C17/00; C08F236/14; D06M13/395; D06M15/41; D06M15/693
Domestic Patent References:
| WO2016143756A1 | 2016-09-15 | |||
| WO2016143755A1 | 2016-09-15 | |||
| WO2016143757A1 | 2016-09-15 | |||
| WO2018230463A1 | 2018-12-20 | |||
| WO2018230464A1 | 2018-12-20 |
Foreign References:
| JP2009174105A | 2009-08-06 | |||
| JP2010189492A | 2010-09-02 | |||
| JP2013226983A | 2013-11-07 | |||
| JP2012214928A | 2012-11-08 | |||
| JP2017512262A | 2017-05-18 | |||
| JP2014528970A | 2014-10-30 | |||
| JP2016528337A | 2016-09-15 | |||
| JP2014525973A | 2014-10-02 | |||
| JP2019518087A | 2019-06-27 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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