Behavior of Ink Jet Printed Drops on a Corona-Treated Polymeric Film Substrate

Betton, Eleanor S.; Hsiao, Wen‐Kai; Martin, GD; Hutchings, IM

doi:10.2352/j.imagingsci.technol.2011.55.5.050606

Cited by 3 publications

(3 citation statements)

References 18 publications

(11 reference statements)

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“…This will result in image quality defect, commonly known as offset . Similarly in inkjet printing, surface interactions between ink and the printhead and the printed substrates − are known to be extremely important to the printing performance. Contact angle measurement has widely been used to model wetting or dewetting behavior of materials on various surfaces .…”

Section: Introductionmentioning

confidence: 99%

Study of Wetting and Adhesion Interactions between Water and Various Polymer and Superhydrophobic Surfaces

2011

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The wetting and adhesion characteristics of 20 different surfaces have been studied systematically by both static water contact angle (θ) and dynamic contact angle measurement techniques: sliding angle (α) and advancing (θA) and receding (θR) contact angles. These surfaces cover surfaces of all traits, from smooth and flat to rough and artificially textured. Fourteen of the surfaces are flat, and they range from molded plastic sheets to solution coated polymer films to chemical vapor deposition polymerized polymer films and to self-assembled monolayers on Si wafers. The rest of the surfaces include 4 fluorosilane coated textured Si wafer surfaces and two natural surfaces derived from the front and back side of the rose petal. Static water contact angle data suggest that these surfaces vary from hydrophilic with θ at ∼71° to superhydrophobic with θ exceeding 150°. Plots of θ of these surfaces versus α, (cos θR – cos θA), and the contact angle hysteresis (θA – θR) all yield scattered plots, indicating that there is little correlation between θ and α, (cos θR – cos θA) and (θA – θR). Since the later three parameters have been mentioned to relate to adhesion semiempirically between a liquid droplet and the contacting surface, the present work demonstrates with generality that contact angle indeed does not relate to adhesion. This is consistent with a known but not well recognized fact in the literature. In this work, we study both the wetting and adhesion forces between water and these 20 surfaces on a microelectromechanical balance (tensiometer). When the water drop first touches the surface, the attractive force during this wetting step was measured as the “snap-in” force. The adhesion force between the water drop and the surface was measured as the “pull-off” force when the water drop separates (retracts) from the surface. The snap-in force is shown to decrease monotonously as θA decreases and becomes zero when θA is >150°. The very good correlation is not unexpected due to the similarity between the wetting and the “snap-in” process. The analysis of the pull-off force data is slightly more complicated, and we found that the quality of the water–surface separation depends on the surface “adhesion”. For surfaces that show strong adhesion with water, there is always a small drop of water left behind after the water droplet is pulled off from the surface. Despite this complication, we plot the pull-off force versus α, (cos θR – cos θA) and (θA – θR), and found very little correlation. On the other hand, the pull-off force is found to correlate well to the receding contact angle θR. Specifically, pull-off force decreases monotonically as θR increases, suggesting that θR is a good measure of surface adhesion. Very interestingly, we also observe a qualitative correlation between θR and the quality of the pull-off. The pull-off was found to be clean, free of water residue after pull-off, when θR is >∼90° and vice versa. The implications of this work toward surface contact angle measurements and print surface design...

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Section: Introductionmentioning

confidence: 99%

Study of Wetting and Adhesion Interactions between Water and Various Polymer and Superhydrophobic Surfaces

2011

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“…8 The authors used polymeric substrates with different SFEs; although in practice it would be more practical to modify only the surface of the substrate. Several approaches have been used to impact the surface properties of different materials, including cleaning, 9 plasma and corona treatment, [10][11][12] UV/O3 exposure, 13 depositing self-assembled monolayers, 14 and chemical treatment. 15 The efficiency of these approaches, however, depends strongly on the chemical nature of the substrate.…”

Section: Introductionmentioning

confidence: 99%

Tailoring Ink–Substrate Interactions via Thin Polymeric Layers for High-Resolution Printing

2017

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The surface properties of a substrate are among the most important parameters in the printing technology of functional materials, determining not only the printing resolution but also the stability of the printed features. This paper addresses the wetting difficulties encountered during inkjet printing on homogeneous substrates as a result of improper surface properties. We show that the wetting of a substrate and, consequently, the quality of the printed pattern, can be mediated through the deposition of polymeric layers that are a few nanometers thick. The chemical nature of the polymers determines the surface energy and polarity of the thin layer. Some applications, however, require a rigorous adjustment of the surface properties. We propose a simple and precise method of surface-energy tailoring based on the thermal decomposition of poly(methyl methacrylate) (PMMA) layers. A smooth transition in the wetting occurs when the thickness of the PMMA layer approaches zero, probably due to percolation of the underlying surface of the substrate, which enables the inkjet printing of complex structures with a high resolution. In particular, the wetting of three substrate-ink systems was successfully adjusted using the thin polymeric layer: (i) a tantalum-oxide-based ink on indium-tin-oxide-coated glass, (ii) a ferroelectric lead zirconate titanate ink on a platinized silicon substrate, and (iii) a silver nanoparticle ink on an alumina substrate.

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“…Via e.g. inkjet printing, screen printing or spin coating, liquids are applied on the polymer to produce functional layers [20,[63][64][65]. Control of wettability, either uniform or locally is of utmost importance to preserve production levels.…”

Section: Wettability and Aging Of Polymers After µPlasma Patterning 2...mentioning

confidence: 99%

µPlasma patterning and inkjet printing to enhance localized wetting and mixing behaviour

Dongen¹

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University of London) Prof. dr.ir. A.J. Huis in 't Veld Prof. dr. D. van der Meer Prof. dr.ir. J.M.J. den Toonder (Technische Universiteit Eindhoven) Nederlandse titel: µPlasma patroneren en inkjet printen om lokaal de bevochtiging en menging te verbeteren. Publisher: M.H.A. van DongenCover illustration: Time-lapse photography captures multiple cloud-to-ground lightning strokes during a night-time thunderstorm,

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Behavior of Ink Jet Printed Drops on a Corona-Treated Polymeric Film Substrate

Cited by 3 publications

References 18 publications

Study of Wetting and Adhesion Interactions between Water and Various Polymer and Superhydrophobic Surfaces

Study of Wetting and Adhesion Interactions between Water and Various Polymer and Superhydrophobic Surfaces

Tailoring Ink–Substrate Interactions via Thin Polymeric Layers for High-Resolution Printing

µPlasma patterning and inkjet printing to enhance localized wetting and mixing behaviour

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