Table 4 The results obtained in this study for RPET/Nd2O3 were compared with those for PBMA/Nd-TiO2.

From: Functionalized recycled polyethylene terephthalate plastic by rare earth oxide for electronic device and housing infrastructure applications

Elements

X-ray diffraction (XRD)

FTIR spectra

UV absorption spectra

Dielectric constant (∈′)

Polyethylene terephthalate PET

Amorphous phase

  

Minimal for dielectric constant

Poly(butyl methacrylate) PBMA

Amorphous phase

  

Minimal for dielectric constant

PET with Nd2O3

Crystalline phase

A new peak at 535 cm−1

The absorption edge increases at Nd–TiO2 7 wt.%

Maximum for dielectric constant

PBMA with Nd-TiO2

Crystalline phase

A new peak at 665 cm−1

The absorption edge decreases at Nd2O3 8 wt.%

Maximum for dielectric constant

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