A new method for the identification of the structure of terminal units in polybutadiene synthesized by cationic polymerization has been developed. The method consists of conducting T2-filtered NMR experiments, which make it possible to reduce the intensities of the spectral signals of the main-chain carbon atoms and significantly increase the intensities of the signals of the carbon atoms in the head and end polybutadiene units characterized by higher mobility.

中文翻译：

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用 T2 过滤器通过核磁共振光谱鉴定聚丁二烯末端单元的结构

开发了一种鉴定阳离子聚合法合成的聚丁二烯末端单元结构的新方法。该方法包括进行 T2 过滤的 NMR 实验，它可以降低主链碳原子的光谱信号强度，并显着增加表征的聚丁二烯头端和末端碳原子的信号强度。通过更高的流动性。