Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/079564
Kind Code:
A1
Abstract:
The present invention provides a tire which exhibits excellent long-lasting performance . The present invention pertains to a tire which has a tread comprising a rubber composition which satisfies formulas (1)-(3) within 180 days after vulcanization. (1): Hso/Hsa×100≥95, wherein Hso is curing at a normal temperature and Hsa is curing at a normal temperature after heat-treating at 80°C for 168 hours. (2): As/Ts×100≤70, wherein Ts is sulfur content before extracting acetone and As is sulfur content after extracting acetone. (3): Swell≤330, wherein Swell is toluene swelling index.
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Inventors:
KITAGO RYOTA (JP)
SATO DAISUKE (JP)
YOSHIYASU HAYATO (JP)
TAKEUCHI AKIHIRO (JP)
SATO DAISUKE (JP)
YOSHIYASU HAYATO (JP)
TAKEUCHI AKIHIRO (JP)
Application Number:
PCT/JP2020/026793
Publication Date:
April 29, 2021
Filing Date:
July 09, 2020
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C1/00; C08L21/00; C08L25/00; C08L57/00; C08L61/04; C08L91/00
Domestic Patent References:
| WO2017065299A1 | 2017-04-20 | |||
| WO2020162304A1 | 2020-08-13 | |||
| WO2016039005A1 | 2016-03-17 |
Foreign References:
| JP2003253051A | 2003-09-10 | |||
| JP2017075286A | 2017-04-20 | |||
| JP2012136659A | 2012-07-19 | |||
| JP2010053282A | 2010-03-11 | |||
| JP2019112598A | 2019-07-11 | |||
| JP2012111888A | 2012-06-14 | |||
| JPS60185601A | 1985-09-21 | |||
| JP2020059775A | 2020-04-16 | |||
| JP6173923B2 | 2017-08-02 |
Other References:
See also references of EP 4046819A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
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