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Title:
ELASTOMER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2022/102459
Kind Code:
A1
Abstract:
Provided are an elastomer composition and a tire, the elastomer composition being capable of changing a tire performance in response to temperature changes. This elastomer composition comprises a styrene-based elastomer and a temperature-responsive resin which changes in hydrophilicity with temperature. When examined at two given temperatures which differ by at least 10°C, the elastomer composition satisfies [contact angle at the lower temperature]/[contact angle at the higher temperature]≤0.90, the lower temperature being lower than 25°C.

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Inventors:
SAWAKI HARUKO (JP)
AKAHORI TOMOHIRO (JP)
Application Number:
PCT/JP2021/040277
Publication Date:
May 19, 2022
Filing Date:
November 01, 2021
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C1/00; C08L9/06; C08L53/00; C08L57/00; C08L101/02
Domestic Patent References:
WO2020002439A12020-01-02
WO2020230606A12020-11-19
WO2020022325A12020-01-30
Foreign References:
JP2018030973A2018-03-01
JP2019214654A2019-12-19
JP2001123018A2001-05-08
EP2735451A12014-05-28
US20140148554A12014-05-29
JP2021161312A2021-10-11
JP2008214377A2008-09-18
JP2019083761A2019-06-06
Other References:
N. MORI ET AL.: "Temperature Induced Changes in the Surface Wettability of SBR+PNIPA Films, 292", MACROMOL. MATER. ENG., vol. 917, 2007, pages 917 - 22
See also references of EP 4163126A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
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