Influence of cold radiofrequency air and nitrogen plasmas treatment on wetting of polypropylene by the liquid epoxy resin

Edward Bormashenko, Barak Eldar, Gilad Chaniel, Victor Multanen, Gene Whyman

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Plasma treatment increases the specific surface energy of condensed phases: solids and liquids. Impact of the radiofrequency air and nitrogen cold plasmas on the surface properties of the polypropylene film and liquid epoxy resin was investigated. Solid/air and solid/liquid interfacial tensions are increased by plasma treatment. The presented experiments enabled separation of the increase in the interfacial tensions due to the plasma irradiation. The solid/air interfacial tension was modified by oxygen and nitrogen plasmas stronger than the solid/liquid interfacial tension. The impact of the air and nitrogen cold plasma treatments on the contact angle hysteresis is reported.

Original languageEnglish
Pages (from-to)445-449
Number of pages5
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume506
DOIs
StatePublished - 5 Oct 2016

Keywords

  • Apparent contact angle
  • Change in the surface energy
  • Cold plasma
  • Contact angle hysteresis
  • Epoxy resin
  • Hydrophilization

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