H-NMR spectrum of cyclized CR was analyzed and the equations that are used to calculate the degree of cyclization and the incorporated solvent content by 1 H-NMR method were obtained.

• 对环化氯丁橡胶的1H -NMR谱进行了归属 ,并推导出计算环化氯丁橡胶 (CR)的环化度和溶剂参与量的公式。