Abstract
In this paper, polyethylene film was treated by APGDLD (atmospheric pressure glow discharge liquid deposition) to polymerize acrylic acid onto the surface to improve its hydrophilicity. The effect of APGD and APGDLD on the surface modification is compared. Influence of various treatment conditions on polymerization degree and contact angle such as applied voltage, discharge gap, reaction gas flow rate and treatment time were investigated. Treating effect was characterized via contact angle measurements, SEM and ATR-FTIR. The results indicated the hydrophilicity of the polyethylene film surface was enhanced and well reserved by APGDLD.
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