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本文采用ESR技术和脉冲核磁梯度场自旋回波技术,论证了MMA、St本体聚合体系中增长自由基的反应活性和周围物理状态的微观非均一性,并讨论了这种非均一性对聚合反应的影响。
In this paper, ESR technology and pulsed nuclear magnetic field gradient spin echo technique were used to demonstrate the microscopic heterogeneity of free radicals and the surrounding physical states in MMA and St bulk polymerization systems. The effects of heterogeneity on the polymerization reaction Impact.