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Plasma Surface Modification of Polystyrene Foam for Recycling 1. Hydrophilic Thin Film Deposition from Acrylamide  

Seo, Eun-Deock (Department of Chemical Engineering, Fire and Disaster Prevention Engineering, Kyungnam University)
Publication Information
Polymer(Korea) / v.32, no.5, 2008 , pp. 497-500 More about this Journal
Abstract
Polystyrene foam (styrofoam) was treated with low-temperature oxygen plasma by means of immobilization and grafting techniques in order to modify its hydrophobic surface property to hydrophilic one using hydrophilic monomers of acrylic acid and acrylamide, and its surface chemical structure, morphology, and hydrophilicity were examined by ESCA, field emission scanning electron microscope (FESEM), and contactangle meter. The experimental evidences, such as the increases of O/C and N/C ratios in ESCA spectrum, thin film deposition, decrease in contact-angle, strongly suggested that the plasma treatments were useful methods for the preparation of hydrophilic surface. Contact angle diminished drastically from $84^{\circ}$ to $18{\sim}19^{\circ}$. Acrylamide, compared to acrylic acid, appeared to play a decisive role, and to be more powerful agent for improving its surface hydrophilicity.
Keywords
plasma immobilization; grafting; surface hydrophilicity; styrofoam; acrylamide;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
Times Cited By Web Of Science : 1  (Related Records In Web of Science)
Times Cited By SCOPUS : 1
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