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制备了十个纯净无色结晶的苯与取代苯重氮硼氟酸盐。研究了它们与含有少量铜离子的莫尔盐的氧化还原引发丙烯腈聚合的聚合反应速度,发现在相同条件下,取代基对聚合反应速度的影响符合 Hammett公式的关系。
Ten pure colorless crystals of benzene and substituted benzene diazonium boron hydrofluoride were prepared. The polymerization rates of redox-initiated acrylonitrile polymerizations between them and mol salts containing a small amount of copper ions were investigated. It was found that the influence of substituents on the polymerization rate under the same conditions was in accordance with Hammett’s formula.