| 申请日期 | 2025-02-24 | 申请号 | EP16786152 |
| 公开（公告）号 | EP3290449A1 | 公开（公告）日 | 2018-03-07 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | Bridgestone Corporation; Ajinomoto Co Inc | ||
| 简介 | A method for producing polyisoprene comprising : polymerizing isoprene by using an isoprene-containing composition containing isoprene and an oxygen-containing neutral compound, and a polymerization catalyst composition containing a rare earth element compound and an organometallic compound, wherein : -a compounding amount of the organometallic compound is 0.6 to 3.0 parts by mass per 100 parts by mass of the isoprene-containing composition. | ||
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