Abstract
The morphological changes of ABA amphiphilic triblock copolymer micelles in dilute solution were systematically studied by tuning the solvent property using self-consistent field simulation. The solvent property was tuned by changing the Flory-Huggins interaction parameters between each type of blocks and solvent, respectively. The simulation results show that by changing the solvent properties, a series of micelle morphologies such as vesicle, cage-like, ring-shaped, rod-like and spherical micelle morphologies can be obtained. Variations of the free energy of the solution system and the surface area of micelles with the Flory-Huggins interaction parameters were calculated to better understand the effect of solvent property on micelle morphologies. In addition, a phase diagram showing the morphological changes of micelles with the Flory-Huggins interaction parameters is provided.
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This work was financially supported by the National Natural Science Foundation of China (No. 21104078), the Project of Science and Technology of Jilin Province, China (No. 201201096), and the Scientific Research Starting Foundation for the Jilin Agricultural University, China (No. 201212).
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Fan, Jj., Han, Yy. & Cui, J. Solvent property induced morphological changes of ABA amphiphilic triblock copolymer micelles in dilute solution: A self-consistent field simulation study. Chin J Polym Sci 32, 1704–1713 (2014). https://doi.org/10.1007/s10118-014-1529-3
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DOI: https://doi.org/10.1007/s10118-014-1529-3