Melting Behavior of Poly(L lactide)
Melting Behavior of Poly(L lactide)
Melting Behavior of Poly(L lactide)
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the peak p shift to lower wavenumber <strong>of</strong> C=O band<br />
linear change<br />
I 1759 increase<br />
drastic increase <strong>of</strong> I 1749<br />
Fi Figure 8 8. ( (a) ) DSC hheating i curve,<br />
temperature-dependent (b) wavenumber<br />
<strong>of</strong> the C=O stretching band, and (c)<br />
normalized intensity <strong>of</strong> the 1759 and 1749<br />
Figure 9b<br />
cm-1 bands for PLLA118 isothermally<br />
meltcrystallized at Tc = 80°Cduring the<br />
heating process at a rate <strong>of</strong> 2 °C/min.<br />
Figure 9a<br />
increase <strong>of</strong> the content <strong>of</strong> the amorphous phase<br />
C=O band shifts toward lower wavenumber
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