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空气中辐照F 40样品中残存的链侧过氧自由基没有链端过氧自由基稳定 .这些自由基的热衰减呈明显二级反应特征 .反应表观活化能与指前因子这两个对反应速率常数起着相反影响的动力学参数之间存在着动力学补偿效应 ,表明自由基热衰减是同时在不同活性中心上进行的复杂反应 .
The residual peroxy radicals in the irradiated F40 samples in the air were free of pendant free radical peroxidation, and the thermal decay of these free radicals showed a significant secondary reaction characteristic. Both apparent activation energy and pre-exponential factors There is a kinetic compensation effect between kinetic parameters that have the opposite effect on the reaction rate constants, indicating that the thermal decay of free radicals is a complex reaction performed simultaneously on different active sites.