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. 2021 Mar 23;15(5):7931–7945. doi: 10.1021/acsnano.0c09829

Figure 8.

Figure 8

(a) Raman spectra of the 5% PCL/CNC nanocomposite (upper two curves) and the neat pellet PCL (lower two curves) in the melt (90 °C) and semicrystalline (42 °C) states. (b) Raman spectra in the C=O region showing the deconvolution of the curve peak into melt (amorphous and dipole–dipole) and crystal-based spectra at 1733 and 1722 cm–1, respectively. (c) Storage modulus, (d) Raman crystallinity, and (e) intensity profile for neat (pure and extruded) PCL and PCL/CNC (modified) composites performed at isothermal temperature, 42 °C. Reprinted with permission from ref (128). Copyright 2018 Elsevier.