Abstract Alternating conventional radical copolymerization of tert-butyl-2-trifluoromethacrylate (a non-homopolymerizable fluoromonomer under radical conditions) with vinyl acetate, initiated by 2,2′-azo-bis(4-methoxy-2,4-dimethyl valeronitrile) at 40 °C is presented. The study of the kinetics of the copolymerization using various [VAc]0/[MAF-TBE]0 feeds showed that an equimolar feed of comonomers led to the highest apparent copolymerization rate (kapp = 4 × 10−4 s−1). The resulting copolymers had a nearly perfect alternating structure over a very wide range of comonomer feed compositions (fMAF-TBE = 0.05–0.95) until complete consumption of one of the monomers. The reactivity ratios were measured to be: rMAF-TBE = 0 and rVAc = 0.014 at 40 °C and the Alfrey and Price parameters for MAF-TBE were calculated (QMAF-TBE = 1.18 and eMAF-TBE = 1.84).

中文翻译：

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醋酸乙烯酯与2-三氟甲基丙烯酸叔丁酯交替自由基共聚

摘要 2-三氟甲基丙烯酸叔丁酯（一种在自由基条件下不可均聚的含氟单体）与乙酸乙烯酯的交替常规自由基共聚，由 2,2'-偶氮-双（4-甲氧基-2,4-二甲基戊腈）引发提出了 40 °C。使用各种 [VAc]0/[MAF-TBE]0 进料的共聚动力学研究表明，等摩尔的共聚单体进料导致最高的表观共聚速率（kapp = 4 × 10-4 s-1）。所得共聚物在很宽的共聚单体进料组成范围内（fMAF-TBE = 0.05-0.95）具有近乎完美的交替结构，直到完全消耗一种单体。测量的反应性比率为：40 °C 下的 rMAF-TBE = 0 和 rVAc = 0.014，并计算了 MAF-TBE 的 Alfrey 和 Price 参数（QMAF-TBE = 1.18 和 eMAF-TBE = 1.84）。