Abstract Polymerization of sodium salts of several acryloylaminoalkanoic acids was studied in aqueous micellar solution and in non-micellizing aqueous dioxane solution in wide concentration range. Some new observations in polymerization kinetics were made using UV–Vis-spectrometry, MALDI-TOF, and real-time conductomerty measurements. Conversions, polymerization rates and reaction orders were determined, mechanisms of initiation and termination are discussed. In micellar state monomer conversion close to 100% achieved in 3–5 min after polymerization starts whereas in homogeneous conditions conversions do not exceed 60% in two hours. Microemulsion mechanism of polymerization suggested for monomers capable to micellization or aggregation in solution. Semi-empirical model of micellar polymerization is discussed taking into consideration Kaler-Morgan model of microemulsion polymerization.

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关于胶束聚合的动力学。丙烯酰氨基链烷酸酯案例研究

摘要 研究了几种丙烯酰氨基链烷酸的钠盐在胶束水溶液和非胶束二恶烷水溶液中在较宽浓度范围内的聚合反应。使用紫外-可见光谱法、MALDI-TOF 和实时电导率测量对聚合动力学进行了一些新的观察。确定了转化率、聚合速率和反应顺序，讨论了引发和终止的机制。在胶束状态下，聚合开始后 3-5 分钟内单体转化率接近 100%，而在均相条件下，转化率在两小时内不超过 60%。对于能够在溶液中胶束化或聚集的单体，建议采用微乳液聚合机制。