以正丁基锂为引发剂,环己烷为溶剂,研究了四氢呋喃(THF)对聚丁二烯1,2-结构和丁苯嵌段共聚物SBS中聚丁二烯段1,2-结构含量的影响,指出在一定温度下,聚丁二烯1,2-结构含量与体系中THF的浓度有指数关系。控制体系中THF的浓度和聚合反应温度,可调节聚合产物中聚丁二烯1,2-结构含量。 Using n-butyllithium as initiator and cyclohexane as solvent, the effects of tetrahydrofuran (THF) on the 1,2-structure of polybutadiene and the 1,2-structure of polybutadiene in SBS Content, it is pointed out that at a certain temperature, the content of 1,2-polybutadiene has an exponential relationship with the concentration of THF in the system. The concentration of THF and the polymerization temperature in the control system can adjust the content of 1,2-polybutadiene in the polymerization product.