A comparative simulation study on three lattice systems for the phase separation of polymer-dispersed liquid crystals |
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| Authors: | Y J Jeon M Jamil Hyo-Dong Lee J T Rhee |
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| Institution: | (1) Liquid Crystal Research Center, Konkuk University, Seoul, 143-701, Korea;(2) IAP, High Energy Physics Laboratory, Department of Physics, Konkuk University, Seoul, 143-701, Korea;(3) Korean Mingok Leadership Academy, Hoengseong-gun, Gangwon-do, 225-823, Korea |
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| Abstract: | This article reports a comparative study of the phase separation process in a polymer-dispersed liquid crystal, based on a
Metropolis Monte Carlo simulation study of three lattice systems. We propose a model for the different processes occurring
in the formation of polymer-dispersed liquid crystals (PDLCs). The mechanism of PDLC is studied as a function of quench temperature,
concentration and degree of polymerization of liquid crystals and polymers. The obtained resultant phase diagrams of the three
systems are approximated and compared with the Flory-Huggins theory, and show a good agreement. It has been observed in the
simulation results that among all the three systems, the 40 × 40 × 40 lattice showed the most accurate, reliable and stable
results.
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| Keywords: | Monte Carlo simulation liquid crystals polymers Flory-Huggins theory |
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