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Kinetic Features of the Radical Polymerization of Methyl Methacrylate under Conditions of Nitroxide-Mediated Reversible Inhibition

机译:硝基氧化物介导的可逆抑制条件下甲基丙烯酸甲酯自由基聚合的动力学特征

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摘要

This review summarizes our and published data on the kinetics and mechanism of controlled radical polymerization of methacrylates mediated by nitroxide radicals. The reasons influencing the possibility or impossibility of the realization of radical polymerization of methyl methacrylate in the mode of reversible inhibition are analyzed. The main factors determining the specificity of the nitroxide-mediated polymerization of methacrylates are the interaction of nitroxides with growing radicals by the disproportionation mechanism, the Fischer hypereffect, a high rate of reinitiation, and an abnormally low rate of reversible termination.
机译:本文综述了我们和已发表的关于氮氧自由基介导的甲基丙烯酸酯可控自由基聚合动力学和机理的数据。分析了以可逆抑制方式实现甲基丙烯酸甲酯自由基聚合的可能性和不可能性的原因。决定氮氧化物介导的甲基丙烯酸酯聚合特异性的主要因素是氮氧化物通过歧化机制与生长自由基的相互作用、费希尔超效应、高重新起始率和异常低的可逆终止率。

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