Please use this identifier to cite or link to this item:
- Treatment of PET and PU polymers by atmospheric pressure plasma generated in dielectric barrier discharge in air
- Universidade Estadual Paulista (UNESP)
- Universidade Federal de São Carlos (UFSCar)
- Plasma treatments are frequently employed to modify surface properties of materials such as adhesivity, hydrophobicity, oleophobicity etc. Present work deals with surface modification of common commercial polymers such as polyethylene terephthalate (PET) and polyurethane (PU) by an air dielectric barrier discharge (DBD) at atmospheric pressure. The DBD treatment was performed in a plain reactor in wire-duct geometry (non-uniform field reactor), which was driven by a 60 Hz power supply. Material characterization was carried out by water contact angle measurements, atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). The plasma-induced modifications are associated with incorporation of polar oxygen and nitrogen containing groups on the polymer surface. The AFM analysis reveals that the plasma treatment roughens the material surface. Due to these structural and morphological changes the surface of DBD-treated polymers becomes more hydrophilic resulting in enhanced adhesion properties. (C) 2010 Elsevier B.V. All rights reserved.
- Surface & Coatings Technology. Lausanne: Elsevier B.V. Sa, v. 204, n. 18-19, p. 3064-3068, 2010.
- Elsevier B.V. Sa
- Atmospheric plasma
- Dielectric barrier discharge
- Contact angle
- Acesso restrito
There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.