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在过氧化苯甲酰（ＢＰＯ）／ＣｕＢｒ２／ｂｐｙ（１∶２∶６）的存在下，首先使聚合体系在低温（６５℃）反应１０ｈ，然后再升高温度（１００℃）聚合，这样可以使甲基丙烯酸甲酯实现反原子转移自由基聚合。由于在反应中有ＢＰＯ和生成的亚铜离子的氧化还原反应，这种ＢＰＯ引发体系与ＡＩＢＮ存在下的反原子转移自由基聚合的引发机理不同。
In the presence of benzoyl peroxide (BPO) / CuBr2 / bpy (1: 2: 6), the polymerization system is first reacted for 10 h at low temperature (65 ° C.) and then at an elevated temperature (100 ° C.) Methacrylate to achieve anti-atom transfer radical polymerization. Due to the redox reaction of BPO and generated cuprous ions in the reaction, the initiation mechanism of this atom-initiated radical polymerization of this BPO initiator system is different from that of AIBN.