The polymerization kinetics and analysis of IR and H-NMR shows thatan increase of GABE/n-BuLi(mole ratio) to the homopolymerization of Bd resultsin an increase in vinyl content of PB and polymerization rate at 50C.

• 聚合动力学、红外和核磁分析结果表明：在50℃下，GABE/n-BuLi（摩尔比）的增加导致丁二烯均聚物中乙烯基含量增加，聚合速率变快。