| 摘要 |
A continuous process for making a polymer including branched and linear components includes first polymerizing conjugated diene(s) in the presence of an organometallic initiator to a conversion of at least 90%. A coupling agent is added to obtain a polymer including branched and linear components. The coupling agent is added at a ratio of about 0.3 to about 0.6 coupling equivalents per initiator equivalent.
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