Title:
CONJUGATED-DIENE-BASED POLYMER, COMPOSITION OF CONJUGATED-DIENE-BASED POLYMER, CROSSLINKED RUBBER OBJECT, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2021/205932
Kind Code:
A1
Abstract:
Provided is a conjugated-diene-based polymer at least including units of a conjugated diene monomer, wherein high-molecular-weight components have a shrinkage factor of 0.4-0.8 and have a degree of adsorption onto silica of 75% or less and medium-molecular-weight components have a degree of adsorption of 40-100%.
Inventors:
RODRIGUEZ CASTANON JESUS (JP)
HAMA HISAKATSU (JP)
KANESAKA SHO (JP)
HIRAGUCHI YUKARI (JP)
HAMA HISAKATSU (JP)
KANESAKA SHO (JP)
HIRAGUCHI YUKARI (JP)
Application Number:
PCT/JP2021/013377
Publication Date:
October 14, 2021
Filing Date:
March 29, 2021
Export Citation:
Assignee:
ZS ELASTOMERS CO LTD (JP)
SUMITOMO CHEMICAL CO (JP)
ZEON CORP (JP)
SUMITOMO CHEMICAL CO (JP)
ZEON CORP (JP)
International Classes:
B60C1/00; C08C19/25; C08F36/04; C08K3/013; C08L9/00; C08L9/06
Domestic Patent References:
| WO2018034194A1 | 2018-02-22 | |||
| WO2019020417A1 | 2019-01-31 | |||
| WO2018056025A1 | 2018-03-29 |
Foreign References:
| JP2020037678A | 2020-03-12 | |||
| JP2018028047A | 2018-02-22 | |||
| JP2018172548A | 2018-11-08 | |||
| US5708092A | 1998-01-13 | |||
| GB2241239A | 1991-08-28 | |||
| US5527753A | 1996-06-18 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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