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Modification of ink-jet paper by oxygen-plasma treatment
- Publication Year :
- 2007
-
Abstract
- A study on oxygen-plasma treatment of ink-jet paper is presented. Paper was exposed to a weakly ionized, highly dissociated oxygen plasma with an electron temperature of 5?eV, a positive-ion density of 8 ? 1015?m?3 and a density of neutral oxygen atoms of 5 ? 1021?m?3. Optical emission spectroscopy (OES) was applied as a method for detection of the reaction products during the plasma treatment of the paper. OES spectra between 250 and 1000?nm were measured continuously during the plasma treatment. The wettability of the samples before and after the plasma treatment was determined by measuring the contact angle of a water drop. The appearance of the surface-functional groups was determined by using high-resolution x-ray photoelectron spectroscopy (XPS), while changes in the surface morphology were monitored with scanning electron microscopy (SEM). Already after 1?s of the plasma treatment the surface, which was originally hydrophobic, changed to hydrophilic, as indicated by a high absorption rate of a water drop into the paper. The OES showed a rapid increase of the CO and OH bands for the first few seconds of the plasma treatment, followed by a slow decrease during the next 40?s. The intensity of the O atom line showed reversed behaviour. The XPS analyses showed a gradual increase of oxygen-rich functional groups on the surface, while SEM analyses did not show significant modification of the morphology during the first 10?s of the plasma treatment. The results were explained by degradation of the alkyl ketene dimer sizing agent during the first few seconds of the oxygen-plasma treatment.
- Subjects :
- 010302 applied physics
Acoustics and Ultrasonics
Scanning electron microscope
Analytical chemistry
chemistry.chemical_element
02 engineering and technology
Plasma
021001 nanoscience & nanotechnology
Condensed Matter Physics
01 natural sciences
Oxygen
Electron spectroscopy
paper
cellulose
oxygen plasma
surface activation
functionalization
XPS
OES
SEM
AKD
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Contact angle
chemistry
X-ray photoelectron spectroscopy
0103 physical sciences
Absorption (chemistry)
0210 nano-technology
Spectroscopy
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....324d7f52d2477edf74c7faa8b417acc8