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Int. J. Mol. Sci. 2009, 10(3), 805-816; doi:10.3390/ijms10030805
Article

Ordering and Reverse Ordering Mechanisms of Triblock Copolymers in the Presence of Solvent

1, 1,* , 2 and 1
Received: 21 January 2009; in revised form: 24 February 2009 / Accepted: 24 February 2009 / Published: 27 February 2009
(This article belongs to the Special Issue Molecular Self-Assembly)
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Abstract: Self-consistent field theory is used to study the self-assembly of a triblock copolymer melt. Two different external factors (temperature and solvent) are shown to affect the self-assembly. Either one or two-step self-assembly can be found as a function of temperature in the case of a neat triblock melt, or as a function of increasing solvent content (for non-selective solvents) in the case of a triblock-solvent mixture. For selective solvents, it is shown that increasing the solvent content leads to more complicated self-assembly mechanisms, including a reversed transition where order is found to increase instead of decreasing as expected, and re-entrant behavior where order is found to increase at first, and then decrease to a previous state of disorder.
Keywords: Triblock copolymers; self-assembly; self-consistent field theory Triblock copolymers; self-assembly; self-consistent field theory
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Maniadis, P.; Rasmussen, K.O.; Thompson, R.B.; Kober, E.M. Ordering and Reverse Ordering Mechanisms of Triblock Copolymers in the Presence of Solvent. Int. J. Mol. Sci. 2009, 10, 805-816.

AMA Style

Maniadis P, Rasmussen KO, Thompson RB, Kober EM. Ordering and Reverse Ordering Mechanisms of Triblock Copolymers in the Presence of Solvent. International Journal of Molecular Sciences. 2009; 10(3):805-816.

Chicago/Turabian Style

Maniadis, Panagiotis; Rasmussen, Kim O.; Thompson, Russell B.; Kober, Edward M. 2009. "Ordering and Reverse Ordering Mechanisms of Triblock Copolymers in the Presence of Solvent." Int. J. Mol. Sci. 10, no. 3: 805-816.


Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert