The alternating copolymer of a conjugated diene monomer and oxygen, i.e., polyperoxide, is a main-chain degradable polymer and undergoes radical chain degradation by heating. During the degradation process, oxygen-centered radicals are formed and thus side reactions such as hydrogen abstraction from the polymer by the oxygen-centered radicals and subsequent coupling, which prevent the degradation, sometimes take place. In this study, in order to promote the degradation of polyperoxides only at elevated temperatures while maintaining their stability at ambient temperature, appropriate organic reductants, which do not significantly react with the polyperoxides at 30 °C but react at 100 °C, were explored. N,N-Dimethylaniline, which is a conventional reductant for redox initiation systems, initiated the redox degradation of cyclopentadiene-based polyperoxides even at 30 °C due to the very high nucleophilicity. The introduction of an electron donating group at the para position, i.e., 4-dimethylaminoacetophenone, 4-dimethylaminobenzaldehyde, and 4-dimethylaminobenzonitrile, successfully maintained the stability of the polyperoxide at 30 °C and accelerated the degradation at 100 °C due to the reduced nucleophilicity. Similar results were obtained by using 1-acetyl-2-phenylhydrazine and 1-phenyl-3-pyrazolidone (PhP) as a reductant, and PhP resulted in the most significant acceleration effect at 100 °C. The activation energy for the overall degradation of the polyperoxide in the presence of PhP was much lower than that of the polyperoxide in the absence of a reductant. In the case of sorbic ester-based polyperoxides, their stabilities at 30 °C were not maintained in the presence of the reductants and the stability was improved by increasing the 2,5 structure regarding the diene moiety in the main-chain.

共轭二烯单体和氧的交替共聚物，即聚过氧化物，是可降解的主链聚合物，并通过加热而发生自由基链降解。在降解过程中，形成了以氧为中心的自由基，因此有时会发生副反应，例如通过以氧为中心的自由基从聚合物中夺取氢和随后的偶联，从而阻止了降解。在这项研究中，为了仅在升高的温度下促进聚过氧化物的降解，同时在环境温度下保持其稳定性，研究了合适的有机还原剂，它们在30°C时不会与聚过氧化物显着反应，而在100°C下会发生反应。ñ，ñ-二甲基苯胺是氧化还原引发系统的常规还原剂，由于非常高的亲核性，即使在30°C时，也能引发基于环戊二烯的聚过氧化物的氧化还原降解。在对位引入一个供电子基团，即4-二甲基氨基苯乙酮，4-二甲基氨基苯甲醛和4-二甲基氨基苯甲腈，成功地保持了30°C时聚过氧化物的稳定性，并由于降低了温度而加速了100°C的降解。亲核性。通过使用1-乙酰基-2-苯基肼和1-苯基-3-吡唑烷酮（PhP）作为还原剂，获得了相似的结果，并且在100°C时，PhP产生了最明显的加速作用。在PhP存在下，聚过氧化物整体降解的活化能远低于在没有还原剂的情况下聚过氧化物的活化能。在基于山梨酸酯的聚过氧化物的情况下，在还原剂的存在下不能保持它们在30℃下的稳定性，并且通过增加关于主链中的二烯部分的2，5-结构来提高稳定性。