Title:
POLYBUTADIENE COMPOSITION, PRODUCTION METHOD THEREFOR, RUBBER COMPOSITION, TIRE, AND RUBBER BELT
Document Type and Number:
WIPO Patent Application WO/2021/221029
Kind Code:
A1
Abstract:
A purpose of the present invention is to provide a polybutadiene composition which makes it possible to obtain a rubber composition having excellent hardness and which is excellent in terms of processability and dimensional stability in extrusion and has an excellent balance among material properties. The present invention relates to a polybutadiene composition comprising polybutadiene rubber and syndiotactic 1,2-polybutadiene, the polybutadiene composition having an interfacial component between the polybutadiene rubber and the syndiotactic 1,2-polybutadiene, the interfacial component having a thickness, as determined with an atomic force microscope, of 40-55 nm.
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Inventors:
TAKAHASHI YUUKI (JP)
HIRAI YUUJI (JP)
HIRAI YUUJI (JP)
Application Number:
PCT/JP2021/016694
Publication Date:
November 04, 2021
Filing Date:
April 26, 2021
Export Citation:
Assignee:
UBE INDUSTRIES (JP)
International Classes:
C08F6/10; B60C1/00; C08F236/06; C08L9/00
Domestic Patent References:
| WO2016104745A1 | 2016-06-30 |
Foreign References:
| JP2018044146A | 2018-03-22 | |||
| JP2013227522A | 2013-11-07 | |||
| JP2003040919A | 2003-02-13 |
Attorney, Agent or Firm:
ITO, Katsuhiro (JP)
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