Title:
METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE-BASED POLYMER, MODIFIED CONJUGATED DIENE-BASED POLYMER, POLYMER COMPOSITION, CROSSLINKED PRODUCT, TIRE, AND COMPOUND
Document Type and Number:
WIPO Patent Application WO/2023/074773
Kind Code:
A1
Abstract:
In the present invention, a modified conjugated diene-based polymer is produced using a production method that includes a step for reacting a conjugated diene-based polymer having an active terminal with a compound [M]. The conjugated diene-based polymer having an active terminal is obtained by polymerizing a monomer including a conjugated diene compound in the presence of a polymerization initiator that contains an alkali metal compound and/or an alkaline earth metal compound. The compound [M] has a functional group F1, a functional group F2 and a functional group F3, and does not have an active hydrogen. F1 is a functional group such as "＊1-C(=E)-O-" (＊1 denotes a bond to a carbon atom that constitutes a carbon-carbon unsaturated bond in a chain-like structure or ring-like structure, or a bond to a tertiary carbon atom), F2 is a functional group such as "-C(R7)=N-", and F3 is a functional group such as "-Si(R8)2(OR9)".
Inventors:
KOBAYASHI NATSUMI (JP)
ITOU KEN-ICHI (JP)
MORITA HIROYUKI (JP)
ITOU KEN-ICHI (JP)
MORITA HIROYUKI (JP)
Application Number:
PCT/JP2022/040045
Publication Date:
May 04, 2023
Filing Date:
October 27, 2022
Export Citation:
Assignee:
ENEOS MAT CORPORATION (JP)
International Classes:
C08C19/25; B60C1/00; C07F7/18; C08K3/04; C08K3/36; C08L15/00
Domestic Patent References:
| WO2017221943A1 | 2017-12-28 | |||
| WO2021086039A1 | 2021-05-06 | |||
| WO2016066653A1 | 2016-05-06 | |||
| WO2006103285A1 | 2006-10-05 |
Foreign References:
| JP2017519068A | 2017-07-13 | |||
| JP2017510688A | 2017-04-13 | |||
| JP2020196803A | 2020-12-10 |
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (JP)
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