Journal
MACROMOLECULES
Volume 45, Issue 1, Pages 503-509Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma2023952
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Funding
- National Natural Science Foundation of China [20974026, 20990231]
- National High Technology Research and Development Program of China (863) [2008AA032101]
- Natural Science and Engineering Research Council (NSERC) of Canada
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The emergence and stability of superstructured cylindrical phases in frustrated ABC linear triblock copolymers are investigated by the self-consistent field theory. Our results reveal that the complex single/double/triple helices-on-cylinder phases are formed when the straight cylinders-on-cylinder and rings-on-cylinder phases are frustrated due to packing constraints. A free energy comparison indicates that the double and triple helical phases are stable, whereas the other cylinders-on-cylinder phases are metastable. In addition, the chirality and rotation for the helical supercylinders are considered in our calculations. Our theoretical prediction is consistent with a number of experimental observations.
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