Title:
MODIFIED CONJUGATED DIENE POLYMER AND METHOD FOR PRODUCING SAME, POLYMER COMPOSITION, CROSSLINKED PRODUCT, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2024/029624
Kind Code:
A1
Abstract:
A modified conjugated diene polymer that contains a structural unit derived from a conjugated diene compound and a structural unit derived from an aromatic vinyl compound, in which, when the glass transition temperature measured in accordance with JIS K6240:2011 is taken as Tgr (unit: K) and the glass transition temperature determined by formula (1) is taken as Tgcl (unit: K), Tgr and Tgcl satisfy the relationship of formula (2). WAr is the mass fraction of structural units derived from aromatic vinyl compounds in the modified conjugated diene polymer and satisfies 0≤WAr≤1.
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Inventors:
FUJIWARA KEISUKE (JP)
NAKAMORI HARUTAKA (JP)
FAN WEIJIA (JP)
YONEKURA KEITA (JP)
MATSUMOTO SHOICHI (JP)
NAKAMORI HARUTAKA (JP)
FAN WEIJIA (JP)
YONEKURA KEITA (JP)
MATSUMOTO SHOICHI (JP)
Application Number:
PCT/JP2023/028595
Publication Date:
February 08, 2024
Filing Date:
August 04, 2023
Export Citation:
Assignee:
ENEOS MAT CORPORATION (JP)
International Classes:
C08F8/42; B60C1/00; C08K3/04; C08K3/36; C08L15/00
Domestic Patent References:
| WO2011040312A1 | 2011-04-07 | |||
| WO2014133097A1 | 2014-09-04 | |||
| WO2008114756A1 | 2008-09-25 |
Foreign References:
| JP2004067987A | 2004-03-04 | |||
| JP2017533310A | 2017-11-09 | |||
| JP2022081093A | 2022-05-31 | |||
| JP2022028234A | 2022-02-16 |
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (JP)
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