Influence of Water Vapor Addition on the Surface Modification of Polyethylene in an Argon Dielectric Barrier Discharge

Deynse, Annick Van; Geyter, Nathalie De; Leys, Christophe; Morent, Rino

doi:10.1002/ppap.201300088

Cited by 32 publications

(31 citation statements)

References 38 publications

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“…Plasma treatment of LDPE in an argon DBD was found to reduce the WCA from 101.8° to 51.9° (50% WCA reduction) and an O/C ratio of 13% was obtained at the surface [17]. In a DC low pressure glow air discharge the WCA was found to decrease from 89.5° to 50.7°…”

Section: Influence Of the Distance Between The Capillary And The Foilmentioning

confidence: 90%

Surface modification of polyethylene in an argon atmospheric pressure plasma jet

Deynse

Cools

Leys

et al. 2015

Surface and Coatings Technology

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The surface properties of polyethylene can successfully be altered using argon plasmas. In this work, the surface modification of low density polyethylene (LDPE) using an argon atmospheric pressure plasma jet (APPJ) is profoundly investigated. The surface modification is examined using different analysing techniques namely, water contact angle (WCA) measurements for the wettability and X-ray photoelectron spectroscopy (XPS) for the chemical composition. Particular attention is paid to the treatment distance between the plasma jet capillary and the LDPE foil and the applied treatment time. At treatment distances between 5 and 15 mm, the WCA can be reduced with more than 70% within a treatment time of a few ms. XPS measurements reveal that this is due to the incorporation of oxygen containing groups and especially the increased implementation of the O-C=O group has a big influence. At treatment distances above 15 mm, the wettability decreases with increasing treatment distance. The wettability can however be enhanced by increasing the treatment time. Ageing considerations show that the loss in treatment efficiency is restricted to only 25%, meaning that even after 14 days of ageing the WCA reduction upon plasma treatment is still more than 40%. Based on the above mentioned results, the most appropriate parameters can thus be selected to provide an efficient plasma treatment of LDPE using the argon APPJ.3

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Section: Influence Of the Distance Between The Capillary And The Foilmentioning

confidence: 90%

Surface modification of polyethylene in an argon atmospheric pressure plasma jet

Deynse

Cools

Leys

et al. 2015

Surface and Coatings Technology

View full text Add to dashboard Cite

show abstract

“…Up to now, the aging behavior of plasma-treated polymers has only been studied using a single discharge gas. In previous work, it has already been shown that water vapor addition to the argon plasma gas has a beneficial effect on the wettability of the LDPE films [15]. In what follows next, it will be investigated whether the addition of water vapor can also have a positive influence on the aging behavior.…”

Section: Influence Of Water Vapor Addition To the Plasma Gasmentioning

confidence: 96%

“…This may indicate that the polar groups introduced on the surface by Ar/water vapor plasmas remain longer on the surface as the concentration of the oxygen functional groups is higher [15]. XPS measurements can give a better insight in the chemical changes occurring on the plasma-treated surface upon storage and are therefore studied in the next paragraph.…”

Section: Influence Of Water Vapor Addition To the Plasma Gasmentioning

confidence: 98%

“…The surface modification of LDPE is more efficient when more water vapor is added to the plasma gas [15]. In Table 1, the WCA immediately after plasma treatment of the LDPE films is indicated, showing the beneficial effect of the water vapor addition.…”

Section: Influence Of Relative Humiditymentioning

confidence: 99%

“…In the case of LDPE, surface modification has been mostly performed in a single discharge gas, such as oxygen, air, nitrogen [1,2,8,[11][12][13] or discharge mixtures like He/O 2 and Ar/O 2 [14]. Recent studies have shown the beneficial effect of water vapor addition to the plasma gas on the LDPE surface modification [12,14,15].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of ambient conditions on the aging behavior of plasma-treated polyethylene surfaces

Deynse

Cools

Leys

et al. 2014

Surface and Coatings Technology

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Influence of water addition on the modification of polyethylene surface by nitrogen atmospheric pressure plasma jet

Liu

Wang

Liu

et al. 2018

J of Applied Polymer Sci

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Polyethylene (PE) has many excellent material properties (low density, high flexibility, good chemical resistance, etc.), and is widely used in industrial and medical fields. However, the practical applications of PE are sometimes limited due to its poor wettability. In this article, we employ pure nitrogen atmospheric pressure plasma jet (APPJ) and N 2 -H 2 O APPJ to hydrophilize PE surfaces. Wettability, time stability, chemical composition, micromorphology, and mechanical properties of the treated surfaces are investigated by contact angle measurement, X-ray photoelectron spectroscopy, atomic force microscopy, scanning electron microscopy, and electric digital display push-pull machine. The pure nitrogen APPJ can hydrophilize PE surfaces without inducing obvious microstructure changes, and relatively better wettability (water contact angle = 13 ) could thereby be achieved. On the other hand, the N 2 -H 2 O APPJ creates micro/nanoscale pores on the treated hydrophilic surfaces, contributing to the better time stability and lower tensile strength. The results reported here clearly demonstrate the great potential of nitrogen APPJs with different water mixing ratios in controlling surface wettability and microstructures of polymer surfaces.

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Influence of Water Vapor Addition on the Surface Modification of Polyethylene in an Argon Dielectric Barrier Discharge

Cited by 32 publications

References 38 publications

Surface modification of polyethylene in an argon atmospheric pressure plasma jet

Surface modification of polyethylene in an argon atmospheric pressure plasma jet

Influence of ambient conditions on the aging behavior of plasma-treated polyethylene surfaces

Influence of water addition on the modification of polyethylene surface by nitrogen atmospheric pressure plasma jet

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