The structure and properties of the H-bonded liquid crystalline (LC) polymer grafted onto
fluorocarbon polymer substrate were studied by the FTIR spectroscopy technique. The grafted LC polymer
brush was prepared via “grafting from” polymerization of 4-(6-acryloyloxyhexyloxy)benzoic acid initiated
from the surface of UV-irradiated FEP substrate. The orientation under the uniaxial mechanical stress
and the temperature behavior of LC brush stabilized by H-bonds were studied. Substantial changes of
the structure and orientation of the LC brush were observed upon increase in temperature. The grafting
of the LC layer provides the reversible destruction and restoration of the macroscopic orientation. In
contrast to the homopolymer, the orientation behavior of grafted H-bonded LC layer is controlled by the
fluorocarbon substrate.
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