Aggregation behavior of Pluronic copolymer in the presence of surfactant: Mesoscopic simulation
作者： Yiming Li , Guiying Xu , Yanyan Zhu , Yajing Wang , Houjian Gong
DOI: 10.1016/J.COLSURFA.2008.10.029
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摘要: Abstract The mesoscopic dynamic (MesoDyn) simulation method was used to simulate the aggregation behavior of Pluronic copolymer EO13PO30EO13 (L64) and EO26PO40EO26 (P85) solutions in presence SDS. With a simple model, morphology kinetic formation process aggregate were obtained. Some factors influencing discussed, such as concentration, temperature EO/PO ratio. Simulation results show that SDS induces L64 spherical micelles formed at much lower concentration comparing with system without At same an increase size decrease number micelles. aggregates undergoes transitions from → rod-like bicontinuous phases increasing. can be divided into three stages first diffusion stage will disappear when is above 30%. Temperature investigation indicates exothermic process, it becomes more difficult rate decreases by P85 higher ratio value larger than Further more, form L64. This caused hydrophilic EO groups P85, leading fact there are water molecules amongst
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