- 专利标题： Conjugated Diene-Based Polymer, Production Method for Conjugated Diene-Based Polymer, Conjugated Diene-Based Polymer Composition and Rubber Composition
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申请号： US17640906申请日： 2020-08-26
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公开(公告)号： US20220372197A1公开(公告)日： 2022-11-24
- 发明人: Shinichi Sekikawa , Kenta Hisamura , Shuri Tobo , Shogo Sumitani , Miki Kyo
- 申请人： Asahi Kasei Kabushiki Kaisha
- 申请人地址： JP Tokyo
- 专利权人： Asahi Kasei Kabushiki Kaisha
- 当前专利权人： Asahi Kasei Kabushiki Kaisha
- 当前专利权人地址： JP Tokyo
- 优先权： JP2019-162042 20190905
- 国际申请： PCT/JP2020/032175 WO 20200826
- 主分类号： C08F297/04
- IPC分类号： C08F297/04 ; C08L9/06 ; C08K3/013
摘要：
The conjugated diene-based polymer has a Mooney viscosity measured at 100° C. of 40 or more and 170 or less, has Mooney stress relaxation measured at 100° C. of 0.35 or less, and has a branch number (Bn) measured by viscosity detector-equipped GPC-light scattering measurement of 8 or more.
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