Invention Grant
- Patent Title: Conjugated diene-based polymer, conjugated diene-based polymer composition, and method for producing conjugated diene-based polymer
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Application No.: US16275472Application Date: 2019-02-14
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Publication No.: US11377539B2Publication Date: 2022-07-05
- Inventor: Jesus Rodriguez Castanon , Toshiro Matsuo , Masako Imai , Yosuke Miyazaki
- Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED , ZS ELASTOMERS CO., LTD.
- Applicant Address: JP Tokyo; JP Tokyo
- Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED,ZS ELASTOMERS CO., LTD.
- Current Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED,ZS ELASTOMERS CO., LTD.
- Current Assignee Address: JP Tokyo; JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JPJP2018-026189 20180216
- Main IPC: C08L9/00
- IPC: C08L9/00 ; C08F236/06 ; C08L7/00 ; B60C1/00
Abstract:
The conjugated diene-based polymer of the invention comprises an aromatic vinyl unit based on an aromatic vinyl compound and a conjugated diene unit based on a conjugated diene compound, is modified with a compound containing a heteroatom, and has an SP value of 16.80 MPa1/2 to 17.10 MPa12.
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