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Author

Kim, Jaeup U.
Nanostructured Polymer Materials Theory Lab
Research Interests
  • block copolymers, soft matter, nanostructures & patterning, machine learning

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Self-Consistent Field Theory of Gaussian Ring Polymers

Cited 5 times inthomson ciCited 3 times inthomson ci
Title
Self-Consistent Field Theory of Gaussian Ring Polymers
Author
Kim, Jaeup U.Yang, Yong-BiaoLee, Won Bo
Keywords
Critical points; Diblock copolymer melts; Gaussians; Homopolymer mixtures; Interfacial width; Linear polymers; Local structure; Random phase approximations; Ring polymers; Ring structures; Self-consistent-field theory; Static properties
Issue Date
201204
Publisher
AMER CHEMICAL SOC
Citation
MACROMOLECULES, v.45, no.7, pp.3263 - 3269
Abstract
We present a self-consistent field theory (SCFT) formalism of topologically unconstrained ring polymers for the first time. The resulting static properties of homogeneous and inhomogeneous ring polymers are compared with the random phase approximation (RPA) results. For ring homopolymer mixture, as chi N increases, the interfacial width and segment profile converge to those of the linear polymer mixture. The critical point for the ring homopolymer system is exactly the same as the linear polymer case, (chi N)(c) = 2, since the critical point does not depend on the local structure of polymers. The critical point for ring diblock copolymer melts is (chi N)(c) = 17.795, which is similar to 1.7 times that of linear diblock copolymer melts, (chi N)(c) = 10.495. The difference results from the ring structure constraint.
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DOI
http://dx.doi.org/10.1021/ma202583y
ISSN
0024-9297
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