Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2020/059367
Kind Code:
A1
Abstract:
Provided is a rubber composition and a tire that have excellent durability (crack resistance) and wear resistance while low performance loss is highly maintained. This rubber composition includes a modified conjugated diene polymer and natural rubber, wherein the modified conjugated diene polymer has at least two modified groups per molecule, the modified groups each form an intramolecular noncovalent bond with another one of the modified groups, and energy per one noncovalent bond is 10-200 kJ/mol. This tire uses said rubber composition
Inventors:
TANAKA TAKATSUGU (JP)
Application Number:
PCT/JP2019/031666
Publication Date:
March 26, 2020
Filing Date:
August 09, 2019
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C1/00; C08L15/00; C08C19/26; C08K3/013; C08L7/00
Domestic Patent References:
| WO2019045053A1 | 2019-03-07 | |||
| WO2015190072A1 | 2015-12-17 |
Foreign References:
| JP2017115112A | 2017-06-29 | |||
| JPS5763338A | 1982-04-16 | |||
| JP2004524420A | 2004-08-12 | |||
| JP2008143952A | 2008-06-26 | |||
| JP2015218236A | 2015-12-07 | |||
| JPS60255838A | 1985-12-17 | |||
| JPS62207342A | 1987-09-11 | |||
| JP2013249379A | 2013-12-12 | |||
| JP2016003246A | 2016-01-12 | |||
| JP2014227458A | 2014-12-08 | |||
| JP2017101181A | 2017-06-08 |
Other References:
"Seikagaku Jiten ", 1998, TOKYO KAGAKU DOJIN, JP, ISBN: 4-8079-0480-9, article OZAWA MINAKO : "Hydrogen bond", pages: 1 - 3, XP009526493
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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