Improved adhesive properties of high-modulus polyethylene structures: 2. Corona grafting of acrylic acid

High-modulus polyethylene tapes were grafted with acrylic acid using a two-step procedure

F.P.M. Mercx

2003

Scholarcy highlights

  • High-modulus polyethylene tapes were grafted with acrylic acid using a two-step procedure
  • Evidence for the grafting was provided by X-ray photoelectron spectroscopy, which showed the surface of the treated tapes to consist of 64% acrylic acid and 36% PE
  • The grafting of acrylic acid is confined to the outermost surface layers, as indicated by reflection infra-red spectroscopy
  • Pull-out tests showed that the corona grafting of acrylic acid improves adhesion to epoxy resins by a factor of eight
  • The increased adhesion is not achieved at the expense of a decrease in mechanical properties of the high-modulus PE tapes

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