Micro- and nanomorphologies of isotactic polystyrene revealed by PLM, AFM, and TEM

Tianxi Liu*, Ma Kuixiang, Zhehui Liu, Chaobin He, Tai-Shung Chung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The spherulitic and lamellar morphologies of isotactic polystyrene (iPS) isothermally crystallized from the glassy state were investigated by polarized light microscopy (PLM), atomic force microscopy (AFM), and transmission electron microscopy (TEM). The AFM phase images and TEM bright-field electron micrographs revealed that the iPS spherulites consist of a number of dominant edge-on lamellae which continuously grow outward by splaying and branching. By partial melting, the less perfect subsidiary lamellae, which are formed within the framework of the dominant ones due to the growth in restricted spaces and possess lower thermal stability than that of the dominant ones, were directly observed by TEM.

Original languageEnglish (US)
Pages (from-to)422-427
Number of pages6
JournalJournal of Applied Polymer Science
Volume86
Issue number2
DOIs
StatePublished - Oct 10 2002

Keywords

  • AFM
  • Isotactic polystyrene
  • Morphology
  • PLM
  • TEM

ASJC Scopus subject areas

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

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