Title:
SEALANT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/125275
Kind Code:
A1
Abstract:
Provided is a sealant composition configured to suppress flow of a sealant that accompanies travel, while maintaining a good sealing property. In the present invention, as a sealant composition that constitutes a sealant layer 10 disposed on the inner surface of a pneumatic tire, the following are used: a composition that demonstrates a tensile stress of 0.03 MPa or less when stretched by 20% at 23°C and demonstrates a tensile stress of 0.002 MPa or more when stretched by 20% at 80°C; or a composition that demonstrates a viscosity V0 of 2 kPa∙s to 15 kPa∙s at 0°C, a viscosity V40 of 1 kPa∙s to 14 kPa∙s at 40°C, and a viscosity V80 of 0.5 kPa∙s to 12 kPa∙s at 80°C.
Inventors:
TAKAHASHI KIYOHITO (JP)
Application Number:
PCT/JP2020/047177
Publication Date:
June 24, 2021
Filing Date:
December 17, 2020
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C09K3/10
Domestic Patent References:
| WO2017179576A1 | 2017-10-19 | |||
| WO2014156882A1 | 2014-10-02 | |||
| WO2011027815A1 | 2011-03-10 |
Foreign References:
| JP2019006007A | 2019-01-17 | |||
| JP2018075897A | 2018-05-17 | |||
| JP2019524932A | 2019-09-05 | |||
| JPH09316332A | 1997-12-09 | |||
| JPS55102640A | 1980-08-06 | |||
| JPS5429403A | 1979-03-05 | |||
| JPS5290548A | 1977-07-29 | |||
| JPS5247202A | 1977-04-14 |
Attorney, Agent or Firm:
SEIRYU PATENT PROFESSIONAL CORPORATION et al. (JP)
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