- 专利标题: Method for Preparing Modified Conjugated Diene-based Polymer
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申请号: US16342124申请日: 2017-12-07
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公开(公告)号: US20190256635A1公开(公告)日: 2019-08-22
- 发明人: Jin Young Kim , Jun Seok Ko , No Ma Kim , Yu Jin Kim , Ki Seok Son , Hae Sung Sohn , Ro Mi Lee , Sang Mi Lee , Tae Chul Lee , He Seung Lee
- 申请人: LG Chem, Ltd.
- 申请人地址: KR Seoul
- 专利权人: LG Chem, Ltd.
- 当前专利权人: LG Chem, Ltd.
- 当前专利权人地址: KR Seoul
- 优先权: KR10-2017-0000747 20170103; KR10-2017-0097143 20170731
- 国际申请: PCT/KR2017/014322 WO 20171207
- 主分类号: C08F236/10
- IPC分类号: C08F236/10 ; C08F36/06 ; C08F36/08 ; C08K5/544 ; C08K3/36 ; C08F36/16 ; C08F2/00 ; C08K5/06 ; C08K5/1535 ; C08K5/17
摘要:
The present invention relates to a method for preparing a modified conjugated diene-based polymer, and more particularly, provides a method for preparing a modified conjugated diene-based polymer including a step of polymerizing a conjugated diene-based monomer in the presence of an organometal compound in a hydrocarbon solvent to prepare an active polymer which is coupled with an organometal (S1); and a step of reacting or coupling the active polymer prepared in step (S1) with a modifier (S2), wherein step (S1) is continuously performed in two or more polymerization reactors, and a polymerization conversion ratio in a first reactor among the polymerization reactors is 50% or less.
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