Effect of conformational asymmetry on the self-assembly of amphiphilic diblock copolymer in selective solvent |
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| Authors: | Wei Li Wei Jiang |
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| Affiliation: | (1) State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China;(2) Graduate University of the Chinese Academy of Sciences, Beijing, People’s Republic of China; |
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| Abstract: | Three dimensional real-space self-consistent field theory is employed to study the effect of conformational asymmetry on the
self-assembly of amphiphilic diblock copolymer in selective solvent. The phase diagrams in wide ranges of interaction parameters
and conformational asymmetry were obtained in present study. The results indicate that the conformational asymmetry is an
important factor that determines the self-assembly of amphiphilic diblock copolymer in solution. The self-assembled morphology
changes from sphere to rod, then to vesicle with an increase of the degree of conformational asymmetry. We found that the
entropic contribution of the core-forming block is the main reason for this transition. |
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