TEMPERATURE-DEPENDENT MICELLIZATION IN AQUEOUS BLOCK COPOLYMER SOLUTIONS
TEMPERATURE-DEPENDENT MICELLIZATION IN AQUEOUS BLOCK COPOLYMER SOLUTIONS
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DOI：
10.1021/ma00046a048
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发表时间：
1992-09-28
期刊：
影响因子：
5.5
通讯作者：
MALMSTEN, M
中科院分区：
文献类型：
--
作者：
LINSE, P;MALMSTEN, M
对Pluronic F127（EO 99-PO 65-EO 99，EO和PO分别为环氧乙烷和环氧丙烷）的温度依赖性胶束化进行了实验和理论研究。虽然实验涉及的临界胶束化浓度（cmc）和胶束形式的聚合物分子的分数的温度依赖性的测定，通过自洽的晶格理论与非均相系统中的内部状态的共聚物的多组分混合物的理论结果。理论和实验结果之间的比较表明定性协议的cmc的减少和增加的平均聚集数，胶束的大小，和胶束形式的聚合物分子的分数，都随着温度的升高。此外，从模型计算中得到的温度依赖性胶束化的细节进行了讨论，
The temperature-dependent micellization of Pluronic F127 (EO99-PO65-EO99, EO and PO being ethylene oxide and propylene oxide, respectively) was investigated experimentally and theoretically. While experiments involved the determination of the temperature dependence of the critical micellization concentration (cmc) and the fraction of polymer molecules in micellar form, the theoretical results were obtained through a self-consistent lattice theory for multicomponent mixtures of copolymers with internal states in heterogeneous systems. Comparison between theoretical and experimental findings shows qualitative agreement regarding the decrease in the cmc and the increase in the average aggregation number, the micellar size, and the fraction of polymer molecules in micellar form, all with increasing temperature. Furthermore, details about the temperature-dependent micellization, obtained from the model calculations, are discussed,