Effect of humid air exposure between successive helium plasma treatments on PET foils

Jacobs, Tinneke; Morent, Rino; Desmet, Tim; Dubruel, Peter; Leys, Ch.

doi:10.1016/j.surfcoat.2010.09.001

Cited by 15 publications

(7 citation statements)

References 41 publications

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“…The results are shown in Figure 2. As well documented in literatures, the spectrum of the original polyester contains three peaks at 284.60, 286.10, and 288.75 eV, which may be respectively assigned to C─C/C─H, C─O (and/or C─OH) and O═C─O (and/or COOH) (Sanaee et al, 2011;Jacobs et al, 2010;Zhang and Fang, 2012). According to the content variation of each chemical component shown in Table IV, it is evident that the sub-peak at 284.6 eV decreased markedly and the sub-peaks at 286.1 and 288.75 eV increased after plasma treatment.…”

Section: Xps Analysissupporting

confidence: 55%

Nano-modification of plasma treated inkjet printing fabrics

Zhang

2015

International Journal of Clothing Science and Technology

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Purpose – Inkjet printing is becoming increasingly important and popular for the printing of textiles. As one of the environmentally friendly processes, the plasma has been widely used to modify the surface properties of inkjet printing substrates. The purpose of this paper is to investigate the nano-modification of plasma on polyester fabric for pigment inkjet printing. The actual printing performance and the related mechanical behavior of samples were also evaluated. Design/methodology/approach – Polyester fabrics were surface modified by atmospheric pressure air plasma with the aim to improve its inkjet printing performance. The effects of plasma treatment on surface properties of fabrics were characterized using X-ray photoelectron spectroscopy (XPS) and Scanning electron microscopy (SEM). The wettability of the samples is evaluated by measurement of contact angles of different polar liquids and surface energy. Breaking strength and elongation, bending rigidity are tested to evaluate the mechanical behavior of treated and control fabrics. Findings – It was found that the nano-modification of plasma markedly improved the anti-bleeding property of inkjet printing fabrics. SEM and XPS analyses indicated that this improved color performance was mainly contributed by not only the etching effect and oxygen containing polar groups induced onto fiber surfaces. In addition, the results of mechanical behavior test indicate no evident reduction of breaking strength and breaking elongation both in warp and weft direction after plasma modification. Originality/value – The surface modification method used here offers an economic and dependable way for pretreatment of inkjet printing fabrics with the advantages of environmental friendly over traditional pretreatment methods.

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Section: Xps Analysissupporting

confidence: 55%

Nano-modification of plasma treated inkjet printing fabrics

Zhang

2015

International Journal of Clothing Science and Technology

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“…35 As a result, oxygen impurities are always present in the discharge gas, and these atoms can originate from the residual air present in the discharge chamber from the working gas impurities or from the gaseous products which the plasma desorbs (H 2 O, O 2 ) from the reactor walls or etches from the polymer surfaces. 36 SEM images (Figure 2) show a modification of the surface morphology of both helium and oxygen plasma and AgNO 3 -treated catheters compared with the reference sample. The reference sample has smoother surface morphology (Figure 2(a)).…”

Section: Resultsmentioning

confidence: 99%

Bactericidal effect on Foley catheters obtained by plasma and silver nitrate treatments

Aflori¹,

Miron

Dobromir

et al. 2015

High Performance Polymers

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New medical, materials, and surgical procedures keep improving current health-care practices. Many of these innovations involve polymeric devices that must meet certain clinical and cost requirements. Novel antimicrobial technologies and nanotechnologies are being implemented in more applications such as implant interphases, coatings, and others to avoid postoperatory infections. Here we present a novel approach to create antimicrobial surfaces on Foley catheters widely used in hospitals in order to avoid a variety of harms including infection, pain, and trauma. The combination of plasma and silver nitrate wet treatments demonstrates to be a fast, easy, and convenient method for obtaining colonization-resistant catheter surfaces.

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“…Moreover, the change in surface topography and surface roughness can be computed by one of the surface parameter namely RMS (Root mean square) roughness value (Sanchis, Blanes, Blanes, Garcia, & Balart, 2006). Because of the polymer degradation and surface modification the surface roughness was increased and the crystalline regions will remain intact, while the amorphous regions are etched away after the plasma treatment (Jacobs et al, 2010).…”

Section: Surface Morphology Analysismentioning

confidence: 99%