Surface modification of the polyimide films by electrical discharges in water

Camelia Miron, Ion Sava, Ionut Jepu, Petre Osiceanu, Cristian Petrica Lungu, Liviu Sacarescu, Valeria Harabagiu

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Pulsed electrical discharges in distilled water were used for the surface modifications of the aromatic polyimides. Optical emission spectroscopy has shown the formation of excited species in the plasma due to water dissociation and ionization. The reactive species have induced surface modifications of the polymer films which were investigated by FTIR, AFM, XPS, and static contact angle measurements. The surface hydrophobicity of the polyimide films increased with the plasma treatment time due to the segregation of the CF3 groups at the polymer surface and the imidization of the polyimides during the plasma discharge. Pulsed electrical discharges generated in distilled water are used to modify the surface of the aromatic polyimide films. The reactive species formed in the water plasma have induced surface modifications of the polymer. FTIR, XPS, and static contact angle measurements have confirmed the increased surface hydrophobicity of the water plasma treated polyimide films.

Original languageEnglish
Pages (from-to)798-807
Number of pages10
JournalPlasma Processes and Polymers
Volume10
Issue number9
DOIs
Publication statusPublished - 2013 Sep 1
Externally publishedYes

Fingerprint

polyimides
Polyimides
Surface treatment
Plasmas
Water
water
Hydrophobicity
Angle measurement
Contact angle
Polymers
X ray photoelectron spectroscopy
hydrophobicity
Optical emission spectroscopy
polymers
Polymer films
Ionization
optical emission spectroscopy
plasma jets
atomic force microscopy
dissociation

Keywords

  • plasma treatment
  • polyimides
  • surface modification
  • water plasma

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Polymers and Plastics

Cite this

Miron, C., Sava, I., Jepu, I., Osiceanu, P., Lungu, C. P., Sacarescu, L., & Harabagiu, V. (2013). Surface modification of the polyimide films by electrical discharges in water. Plasma Processes and Polymers, 10(9), 798-807. https://doi.org/10.1002/ppap.201300015

Surface modification of the polyimide films by electrical discharges in water. / Miron, Camelia; Sava, Ion; Jepu, Ionut; Osiceanu, Petre; Lungu, Cristian Petrica; Sacarescu, Liviu; Harabagiu, Valeria.

In: Plasma Processes and Polymers, Vol. 10, No. 9, 01.09.2013, p. 798-807.

Research output: Contribution to journalArticle

Miron, C, Sava, I, Jepu, I, Osiceanu, P, Lungu, CP, Sacarescu, L & Harabagiu, V 2013, 'Surface modification of the polyimide films by electrical discharges in water', Plasma Processes and Polymers, vol. 10, no. 9, pp. 798-807. https://doi.org/10.1002/ppap.201300015
Miron, Camelia ; Sava, Ion ; Jepu, Ionut ; Osiceanu, Petre ; Lungu, Cristian Petrica ; Sacarescu, Liviu ; Harabagiu, Valeria. / Surface modification of the polyimide films by electrical discharges in water. In: Plasma Processes and Polymers. 2013 ; Vol. 10, No. 9. pp. 798-807.
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