107. Surfactant-mediated crystallization-driven self-assembly of crystalline/Ionic complexed block copolymers in aqueous solution
writer：Zaizai Tong, Runke Zhang, Pianpian Ma, Haian Xu, Hua Chen, Li, Yanming Li, Weijiang Yu, Wangqian Zhuo, Guohua Jiang*
keywords：self-assembly, crystallization
source：期刊
specific source：Langmuir
Issue time：2017年
Abstract: A series of crystalline/ionic complexed block copolymers (BCPs) with various compositions have been prepared by sequential reactions. The BCPs with different hydrophilic fractions can self-assemble into various morphologies, such as spindlelike, rodlike, and spherical micelles with different crystallinity of the core. Bis(2-ethylhexyl) sulfosuccinate sodium salt (AOT) is added as a surfactant to induce the morphological transition of BCPs in aqueous media. The introduced AOT can be tightly bound to the cationic units, and a water-insoluble unit in the corona forms, leading to a reduced tethering density. Consequently, morphological variety changing from rods to platelets to fibril to dendrite-like micelles can be observed.
