The microstructure dependence of molecular motion and the internal motion of vinyl group in 1,2-polybutadiens have been studied by TI and NOE.

• 较系统地研究了1,2-聚丁二烯的分子运动与化学结构、序列结构和大分子链节构成的关系,分析了乙烯基的内旋转运动。