Direct evidence of row-nucleated cylindritic crystallization in glass fiber-reinforced polypropylene composites

The development and nature of the transcystalline-like superstructure produced by pulling the glass fiber from the isothermal crystallizing isotactic polypropylene melt was studied thermooptically

J. Varga

2006

Key concepts

Scholarcy highlights

  • The development and nature of the transcystalline-like superstructure produced by pulling the glass fiber from the isothermal crystallizing isotactic polypropylene melt was studied thermooptically
  • In the vicinity of the pulled GF α row-nuclei form which induce selective β-nucleation resulting in β-cylindrites
  • The presence of α row-nuclei was evidenced by selective melting of the β-phase having lower melting temperature than the α
  • Because of the above change in the crystal modification this phenomenon can not be termed by transcrystallinity
  • It was suggested that the observed αβ-bifurcation may be related with epitaxial growth
  • Paper presented on the conference “Microphenomena in Advanced Composites”
  • Direct evidence of row-nucleated cylindritic crystallization in glass fiber-reinforced polypropylene composites

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