Invention Grant
- Patent Title: Modified conjugated diene-based polymer, preparation method therefor, and rubber composition comprising same
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Application No.: US14913251Application Date: 2014-10-17
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Publication No.: US09695256B2Publication Date: 2017-07-04
- Inventor: Sangmi Lee , Noma Kim , Romi Lee , Jinyoung Kim , Youkreol Na
- Applicant: LG Chem, Ltd.
- Applicant Address: KR
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: KR10-2013-0123915 20131017; KR10-2014-0140852 20141017
- International Application: PCT/KR2014/009801 WO 20141017
- International Announcement: WO2015/057021 WO 20150423
- Main IPC: C08F8/42
- IPC: C08F8/42 ; C08K3/36 ; C07F7/18 ; B60C1/00 ; C08C19/22 ; C08C19/25 ; C08C19/44 ; C08F236/10 ; C08L15/00
Abstract:
Disclosed is a method of preparing a modified conjugated diene-based polymer, including (a) polymerizing a conjugated diene monomer, or a conjugated diene monomer and an aromatic vinyl monomer, using the compound represented by Chemical Formula 1 in the presence of a solvent, thus obtaining an active polymer having a metal end, and (b) modifying the active polymer with the compound represented by Chemical Formula 2.
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