Journal of Materials Science

, Volume 28, Issue 17, pp 4718–4724 | Cite as

Adhesive properties and failure of etched UHMW-PE fibres

  • M. S. Silverstein
  • O. Breuer


The effect of chemical etching on the surface of ultra-high molecular weight polyethylene (UHMW-PE) fibres with emphasis on the adhesion of epoxy to the fibres was studied. The presence of an oxygen-rich weak boundary layer on the non-polar UHMW-PE fibre yields poor adhesion for the as-received fibre and for fibres etched with the weaker etchants. A significant improvement in adhesion resulted when the weak boundary layer was removed and the UHMW-PE oxidized through etching with chromic acid, a stronger etchant. This significant improvement in adhesion was reflected not only in a higher interfacial shear strength but also in the presence of epoxy cohesive failure. The debonding of droplet microbonds was found to be a suitable technique for the characterization of adhesion in the UHMW-PE/epoxy system.


Molecular Weight Boundary Layer Polyethylene Epoxy Shear Strength 
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Copyright information

© Chapman & Hall 1993

Authors and Affiliations

  • M. S. Silverstein
    • 1
  • O. Breuer
    • 1
  1. 1.Department of Materials EngineeringTechnion-Israel Institute of TechnologyHaifaIsrael

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