Their activities in initiating photopolymerization of cyclohexene oxide (CHO) were examined by means of the determination of concentration of the active ceners in CHO polymerization.

• 测定了氧化环已烯聚合中的活性中心浓度；发现活性中心浓度随聚合时间线性增加；而随聚合温度增加有一极大值.