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Journal of Materials Science

, Volume 29, Issue 15, pp 3919–3925 | Cite as

Air-plasma treated polyethylene fibres: effect of time and temperature ageing on fibre surface properties and on fibre-matrix adhesion

  • C. Della Volpe
  • L. Fambri
  • R. Fenner
  • C. Migliaresi
  • A. Pegoretti
Papers

Abstract

The effect of a low energy air-plasma treatment of extended chain polyethylene (ECPE) fibres (Spectra®900) on the adhesion with a matrix of epoxy resin has been studied. Surface energies of fibre and matrix were calculated by contact angles, measured with a Wilhelmy microbalance in different liquids, and the adhesion between fibres and the matrix was evaluated through a pull-out test. The results showed an increase in fibre-matrix adhesion by a factor of ca. 1.5 calculated by surface energy measurements, and by a factor of ca. 4 measured by the pull-out tests. Time (up to six months) and temperature (in the range 20–120 °C for 2 h) ageing caused some decrease in adhesion with respect to the values evaluated just after the fibre plasma treatment. The plasma treatment did not affect the fibre's mechanical properties.

Keywords

Polymer Polyethylene Epoxy Contact Angle Surface Energy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • C. Della Volpe
    • 1
  • L. Fambri
    • 1
  • R. Fenner
    • 1
  • C. Migliaresi
    • 1
  • A. Pegoretti
    • 1
  1. 1.Department of Materials EngineeringUniversity of TrentoVia MesianoItaly

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