Invention Application
- Patent Title: HYDROGENATED CONJUGATED DIENE POLYMER, POLYMER COMPOSITION, CROSSLINKED BODY AND TIRE
-
Application No.: US17438699Application Date: 2020-03-27
-
Publication No.: US20220153971A1Publication Date: 2022-05-19
- Inventor: Takumi ADACHI , Hirofumi SENGA , Michitaka KAIZU , Toshimitsu KIKUCHI , Takuya SANO
- Applicant: JSR CORPORATION
- Applicant Address: JP Minato-ku
- Assignee: JSR CORPORATION
- Current Assignee: JSR CORPORATION
- Current Assignee Address: JP Minato-ku
- Priority: JP2019-061722 20190327
- International Application: PCT/JP2020/014380 WO 20200327
- Main IPC: C08L15/00
- IPC: C08L15/00 ; C08C19/22 ; C08C19/02 ; C08C19/25 ; C08K3/36 ; B60C1/00

Abstract:
A hydrogenated conjugated diene-based polymer which has a structure formed by bonding a nitrogen-containing compound having two or more alkoxysilyl groups and two or more nitrogen atoms with a plurality of conjugated diene-based polymer chains, wherein: when a composition ratio (molar ratio) in the hydrogenated conjugated diene-based polymer of each of a structural unit represented by formula (1), a structural unit represented by formula (2), a structural unit represented by formula (3), and a structural unit represented by formula (4) is p, q, r, and s, respectively, a value a represented by formula (i) is 0.80 or more and 0.97 or less, and an equilibrium storage modulus E′ of the hydrogenated conjugated diene-based polymer is 2.4 MPa or more, α=(p+(0.5×xr))/(p+q+(0.5×xr)+s) . . .(i)
Public/Granted literature
- US12240962B2 Hydrogenated conjugated diene polymer, polymer composition, crosslinked body and tire Public/Granted day:2025-03-04
Information query