Two-dimensional 13C n.m.r. studies of the morphology and orientational order in gel-spun ultrahigh molecular weight polyethylene fibres

Der Lii Tzou, Tai-huang Huang, A. S. Abhiraman, Prashant Desai

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Abstract

In this communication we demonstrate the feasibility of determining the orientational distribution functions of various morphological components in ultrahigh molecular weight polyethylene fibres by two-dimensional rotor-synchronized 13C cross-polarization/magic angle spinning nuclear magnetic resonance (n.m.r.) techniques. For comparative purposes we have also included a drawn polyethylene fibre of normal molecular weight. The results showed that these fibres contain two crystalline components, designated C1 and C2, and an amorphous (non-crystalline) component, A. Order parameters and orientational distribution functions of these components can be obtained through analysis of the two-dimensional 13C n.m.r. spectra.

Original languageEnglish
Pages (from-to)426-428
Number of pages3
JournalPolymer
Volume33
Issue number2
DOIs
Publication statusPublished - 1992 Jan 1

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Keywords

  • C n.m.r.
  • fibre
  • morphology
  • orientational order
  • polyethylene

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry

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