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(A) FTIR spectra, in the range 530–580 cm−1, of: PCL (a); PCL/1% LDH-EHT (b); PCL/3% LDH-EHT (c); PCL/5% LDH-EHT (d); and PCL/7% LDH-EHT (e). The inset reports the spectrum of pure LDH-EHT. (B) Absorbance at 553 cm−1 as a function of LDH-EHT (wt %).
