Morphology and crystal structure of cold-crystallized syndiotactic polystyrene

Y. S. Sun, E. M. Woo

Research output: Contribution to journalArticlepeer-review

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Scanning electron microscopy, differential scanning calorimetry, IR spectroscopy, and X-ray diffraction analyses were used to characterize the unique morphology of cold-crystallized syndiotactic polystyrene (sPS). Cold-crystallization of sPS produced only α-type unit cell packed into crystalline domains of different morphologies. The morphology contains a granular-sphere texture when cold-crystallized at low temperatures while high-temperature cold-crystallization produced additional sheaf-like lamella radiating out from the central spheres. Details of this interesting morphological feature are expounded in the paper.

Original languageEnglish
Pages (from-to)2241-2245
Number of pages5
Issue number5
StatePublished - 2001


  • Cold-crystallization
  • Crystal form
  • Syndiotactic polystyrene


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