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Abstract
We present a model for the order-disorder transition of symmetric A-B diblock copolymer melts in which the disordered phase is treated as a bicontinuous network, and in which self-consistent field predictions of properties of an analogous ordered network are used to estimate some properties. Such a model is shown to accurately predict the latent heat of this transition. The dependence of the location of the transition upon the invariant degree of polymerization N is shown to be consistent with a simple hypothesis that the disordered bicontinuous structure is stabilized relative to an analogous ordered network by a nearly constant entropy per network junction.
Original language | English (US) |
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Article number | 127802 |
Journal | Physical review letters |
Volume | 121 |
Issue number | 12 |
DOIs | |
State | Published - Sep 20 2018 |
Bibliographical note
Funding Information:This work was supported primarily by the National Science Foundation through the University of Minnesota Materials Research Science and Engineering Center under Grant No.DMR-1420013, using computational resources of the Minnesota Supercomputing Institute.
Funding Information:
This work was supported primarily by the National Science Foundation through the University of Minnesota Materials Research Science and Engineering Center under Grant No. DMR-1420013, using computational resources of the Minnesota Supercomputing Institute.
Publisher Copyright:
© 2018 American Physical Society.
MRSEC Support
- Primary
PubMed: MeSH publication types
- Journal Article
Fingerprint
Dive into the research topics of 'Network Model of the Disordered Phase in Symmetric Diblock Copolymer Melts'. Together they form a unique fingerprint.Projects
- 2 Finished
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MRSEC IRG-3: Hierarchical Multifunctional Macromolecular Materials
Reineke, T. M. (Coordinator), Bates, F. S. (Senior Investigator), Dorfman, K. (Senior Investigator), Dutcher, C. S. (Senior Investigator), Hillmyer, M. A. (Senior Investigator), Lodge, T. P. (Senior Investigator), Morse, D. C. (Senior Investigator), Siepmann, I. (Senior Investigator), Barreda, L. (Researcher) & Ganewatta, M. S. (Researcher)
11/1/14 → 10/31/20
Project: Research project
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University of Minnesota MRSEC (DMR-1420013)
Lodge, T. P. (PI)
11/1/14 → 10/31/20
Project: Research project