TITLE

Theory of phase separation kinetics in polymer–liquid crystal systems

AUTHOR(S)
Muratov, C. B.; E, Weinan
PUB. DATE
March 2002
SOURCE
Journal of Chemical Physics;3/15/2002, Vol. 116 Issue 11, p4723
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We introduce a kinetic model describing the phase separation in the mixture of long rod-like molecules and long chain-like molecules. The model uses the angular distribution function for the orientations of the rods as a dynamical variable. The energetics is based on the nonlocal Onsager theory for the rods combined with a nonlocal extension of the Flory–Huggins theory. The kinetics explicitly takes into account the preferential diffusion along the rods. We computed the phase diagrams in this model and found a number of transitions leading to phase separation. We also performed numerical simulations of the phase separation kinetics and studied the resulting morphologies. © 2002 American Institute of Physics.
ACCESSION #
6289091

 

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