In-situ FTIR imaging on the plastic deformation of iPP thin films

The plastic deformation behavior of isotactic polypropylene film is studied with in-situ Fourier transformation infrared microspectroscopic imaging

Jing Li

2014

Scholarcy highlights

  • The plastic deformation behavior of isotactic polypropylene film is studied with in-situ Fourier transformation infrared microspectroscopic imaging
  • Spatial distributions of crystallinity and orientations are obtained in necking region, transition front and non-necking region
  • A low valley of crystallinity exists at TF, while both NNR and NR have crystallinities at a high plateau
  • The non-monotonic evolution of amorphous orientation from NR, TF to NNR further supports the occurrence of deformation-induced melting–recrystallization
  • The decrease of amorphous orientation behind TF is attributed to recrystallization

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