Title:
RUBBER COMPOSITION AND TIRE OBTAINED USING SAME
Document Type and Number:
WIPO Patent Application WO/2021/054254
Kind Code:
A1
Abstract:
The present invention provides a rubber composition attaining satisfactory low-heat-buildup properties and being excellent in terms of high modulus and fracture resistance and a tire obtained using the rubber composition. The rubber composition is characterized by including a rubber ingredient comprising a diene-based rubber, the diene-based rubber comprising a polymer (A) which is a copolymer comprising, in the molecule, a block moiety comprising a urethane-skeleton segment and a block moiety comprising a diene-skeleton segment.
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Inventors:
SHODA YASUHIRO (JP)
OTSUKA HIDEYUKI (JP)
AOKI DAISUKE (JP)
OTSUKA HIDEYUKI (JP)
AOKI DAISUKE (JP)
Application Number:
PCT/JP2020/034422
Publication Date:
March 25, 2021
Filing Date:
September 11, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08G81/02; C08G18/12; C08G18/69; C08L9/00; C08L75/14
Foreign References:
| JP2010536946A | 2010-12-02 |
Other References:
OHISHI TOMOYUKI ET AL.: "Metathesis-driven scrambling reactions between polybutadiene or naturally occurring polyisoprene and olefin-containing polyurethane", POLYMER, vol. 78, no. 5, 2015, pages 145 - 153, XP029290615, DOI: 10.1016/j.polymer.2015.09.076
T. OHISHI ET AL., POLYMER, vol. 78, 2015, pages 145 - 153
CAS , no. 246047-72-3
T. OHISHI ET AL., POLYMER, vol. 78, 2015, pages 145 - 153
CAS , no. 246047-72-3
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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