Reactivity of water vapor in an atmospheric pressure DBD -Application to LDPE surfaces
S Collette, Thierry Dufour, Pascal Viville (UMons), Fran\c{c}ois, Reniers
TL;DR
This study investigates how water vapor in an atmospheric pressure dielectric barrier discharge reacts and modifies LDPE surfaces, enhancing their hydrophilicity through oxygen grafting, using spectroscopy and surface analysis techniques.
Contribution
It demonstrates the reactivity of water vapor in atmospheric DBD and its effectiveness in surface modification of LDPE by oxygen grafting.
Findings
Water vapor reacts in atmospheric DBD to introduce oxygen functionalities.
Surface treatments increase LDPE hydrophilicity.
Optical emission spectroscopy confirms water vapor reactivity.
Abstract
The reactivity of water vapor introduced in an atmospheric dielectric barrier discharge supplied in argon is investigated through optical emission spectroscopy measurements. This discharge is also used for the treatment of LDPE surfaces. Water contact angles measurements, XPS and AFM techniques are used to study the grafting of oxygen functions on the LDPE surface and increase its hydrophilicity.
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Taxonomy
TopicsPlasma Applications and Diagnostics · Electrohydrodynamics and Fluid Dynamics · Plasma Diagnostics and Applications