0
Exo Up
25
50
75
Temperature (°C)
Heart Flow (W/g)
100
125
Fig. 4 First cooling DSC curve of LCBBC73-25 k with heating rate of 10
C/min exhibiting Tg at
11.5
C and Tcl at 74.4
C
Table 2 Thermal characterization of LCBBC73–25 k
Polymer
T g (
C)
a
T cl (
C)
a
ΔH (J/g)
a
LC73–25 k
11.5
74.4
4.3
a All transition temperatures are determined by the second cooling cycle with a rate of 10
C/min
8
7
6
5
log I (a. u.)
q (nm –1 )
4
3
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
q*
√3 q*
√4 q*
q LC
Fig. 5 SAXS profile of LC-73-25 k polymer: peaks appearing at qÃ, √3 qÃ, and 2 qà imply that the
system has hexagonally packed PEG cylinders in the major matrix of LC. A stable liquid crystalline
phase is confirmed by a qLC (at around 0.116 corresponding to smectic mesophase) peak
486
L. Mahajan et al.
Exo Up
25
50
75
Temperature (°C)
Heart Flow (W/g)
100
125
Fig. 4 First cooling DSC curve of LCBBC73-25 k with heating rate of 10
C/min exhibiting Tg at
11.5
C and Tcl at 74.4
C
Table 2 Thermal characterization of LCBBC73–25 k
Polymer
T g (
C)
a
T cl (
C)
a
ΔH (J/g)
a
LC73–25 k
11.5
74.4
4.3
a All transition temperatures are determined by the second cooling cycle with a rate of 10
C/min
8
7
6
5
log I (a. u.)
q (nm –1 )
4
3
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
q*
√3 q*
√4 q*
q LC
Fig. 5 SAXS profile of LC-73-25 k polymer: peaks appearing at qÃ, √3 qÃ, and 2 qà imply that the
system has hexagonally packed PEG cylinders in the major matrix of LC. A stable liquid crystalline
phase is confirmed by a qLC (at around 0.116 corresponding to smectic mesophase) peak
486
L. Mahajan et al.