Microdiffraction Experiments on Single Polymeric Fibers by Synchrotron Radiation

C. Riekel,* A. Cedola, F. Heidelbach, and K. Wagner
European Synchrotron Radiation Facility, B. P. 220, F-38043 Grenoble Cedex, France
Macromolecules, 1997, 30 (4), pp 1033–1037
DOI: 10.1021/ma960799s
Publication Date (Web): February 24, 1997
Copyright © 1997 American Chemical Society
*

In papers with more than one author, the asterisk indicates the name of the author to whom inquiries about the paper should be addressed.

Abstract

It is shown that wide-angle X-ray scattering patterns can be obtained from single polymeric fibers with a 2 μm synchrotron radiation beam in a few seconds per pattern. Preferred orientation was observed for an ultrahigh molecular weight polyethylene fiber where orthorhombic plus monoclinic phases were found to coexist in the outer parts of the fiber. For a poly(p-phenyleneterephthalamide) fiber (Kevlar 49) the radial sheet model was verified, but an important texture appears to be present.

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History

  • Published In Issue February 24, 1997
  • Received June 3, 1996
    Revised Manuscript Received October 23, 1996

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