Surface characterization of an organosilane-grafted moisture-crosslinked polyethylene compound treated by air atmospheric pressure non-equilibrium gliding arc plasma

Navid Mostofi Sarkari, Fahimeh Darvish, Mohsen Mohseni, Morteza Ebrahimi, Mohammadreza Khani, Esmaeil Eslami, Babak Shokri, Mahdi Alizadeh, Chang Fu Dee

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study, surface modification of a silane-crosslinked polyethylene (Si-XLPE) compound was carried out by gliding arc atmospheric plasma. Samples were exposed to the plasma for different durations and the plasma-induced alterations of the surfaces were comprehensively assessed. Surface chemistry was evaluated initially via Fourier transform infrared spectroscopy (ATR-FTIR) and energy-dispersive X-ray (EDX) analysis. Surface morphology was investigated by atomic force microscopy (AFM) and field emission scanning electron microscopy (FESEM). For calculating surface free energy (SFE), contact angle measurement (CAM) was performed. In order to have accurate details on the surface chemistry and morphology, X-ray photoelectron spectroscopy (XPS) and Grazing Incidence X-ray Diffraction (GIXRD) analysis were conducted, respectively. Results revealed that this modification method doubled the amount of atomic oxygen and nitrogen on the surface, indicating the formation of polar chemical components on the surface. Moreover, plasma could change the surface morphology considerably by selective etching and impacting on roughness. Furthermore, it was observed that the modification improved the surface crystallinity to some extent and also increased SFE drastically. Surface modification of Si-XLPE by gliding arc plasma has then proved to be an effective technique during which noticeable improvement in wettability has occurred.

Original languageEnglish
Pages (from-to)436-450
Number of pages15
JournalApplied Surface Science
Volume490
DOIs
Publication statusPublished - 1 Oct 2019

Fingerprint

gliding
Polyethylene
moisture
plasma jets
Atmospheric pressure
Polyethylenes
polyethylenes
atmospheric pressure
Moisture
Plasmas
air
Air
Surface morphology
Surface chemistry
Free energy
Surface treatment
Silanes
Energy dispersive X ray analysis
Angle measurement
Field emission

Keywords

  • Gliding arc
  • Modification
  • Plasma
  • Surface
  • Wettability
  • XLPE

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Surface characterization of an organosilane-grafted moisture-crosslinked polyethylene compound treated by air atmospheric pressure non-equilibrium gliding arc plasma. / Mostofi Sarkari, Navid; Darvish, Fahimeh; Mohseni, Mohsen; Ebrahimi, Morteza; Khani, Mohammadreza; Eslami, Esmaeil; Shokri, Babak; Alizadeh, Mahdi; Dee, Chang Fu.

In: Applied Surface Science, Vol. 490, 01.10.2019, p. 436-450.

Research output: Contribution to journalArticle

Mostofi Sarkari, Navid ; Darvish, Fahimeh ; Mohseni, Mohsen ; Ebrahimi, Morteza ; Khani, Mohammadreza ; Eslami, Esmaeil ; Shokri, Babak ; Alizadeh, Mahdi ; Dee, Chang Fu. / Surface characterization of an organosilane-grafted moisture-crosslinked polyethylene compound treated by air atmospheric pressure non-equilibrium gliding arc plasma. In: Applied Surface Science. 2019 ; Vol. 490. pp. 436-450.
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