Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: S1.00024 : A mechanistic study of a thermo-responsive polymer in a liquid crystal solvent
Author:
Thermo-responsive polymers are highly promising for a variety
of applications including tailored drug release, gene delivery,
and chromatography. Typical swelling/de-swelling polymer phase
transitions involve isotropic liquids and disordered polymers.
Here, we present a unique swelling/de-swelling polymer
transition involving structured polymers and ordered liquids
crystals. The polymers in this study have a degree of order
that is imparted by polymerizing in the presence of a liquid
crystal. The study focuses on helicoidal structured polymers
templated by cholesteric liquid crystals because the optical
properties are a simple indicator of the material structure
properties. The mechanism of the swelling/de-swelling
transition of this unique system were studied with differential
scanning calorimetry, polarized optical microscopy, white light
interferometery and visible/near-infrared spectroscopy.
Differences in the dynamic optical changes with polymer
structure are explored.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.S1.24
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