Authors
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A.A. Darinskii, A.I. Tupitsyna, T.M. Birshtein, M.G. Safyannikova, V. M. Amoskov and I. Emri
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Title
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Microphase Separation in Brushes Capable of Liquid Crystal Ordering
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Date
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27.01.2003
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Number
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400
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Abstract
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The behavior of an anisotropic polymer brush in a continuous medium with varying grafting density and anisotropic interaction parameter was studied by a method based on combining Brownian dynamics and mean-field algorithms. It was shown that, as in a brush with small values changes, stepwise phase transitions from the state of a conventional brush to the microphase-separated or fully liquid crystalline state (forward transition with an increase in ), as well as from the microphase-separated brush to the conventional brush (reverse transition with a decrease in ), take place. Hysteresis effects are displayed for these transitions. A comparison of the results obtained in terms of the continuum model and the model of walk on a simple cubic lattice showed that the transition scenarios are independent of the model selected and the quantitative differences in the transition characteristics are due to differences in entropic effects.
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Publisher
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Polymer Science / Series A
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Wikidata
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Citation
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Polymer Science / Series A 45 (2003) 665-675
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DOI
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http://www.maik.rssi.ru/cgi-bin/search.pl?type=abstract&name=polscia&number=7&year=3&page=665
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