UNDERWATER DIAPHRAGM DISCHARGE, A NEW TECHNIQUE FOR POLYPROPYLENE TEXTILE SURFACE MODIFICATION

• Authors: NEAGOE Gabriela; GALMIZ Oleksandr; BRABLEC Antonín; RÁHEĽ Jozef; ZAHORANOVÁ Anna
• Year of publication: 2012
• Type: Article in Periodical
• Magazine / Source: Chem. listy
• MU Faculty or unit: Faculty of Science
• Field: Plasma physics
• Keywords: underwater discharge; PP nonwoven; surface energy; contact angle
• Description: Underwater single and double diaphragm discharge were used for surface modification of polypropylene nonwoven. The discharge was generated in distilled water. Optical Emission Spectroscopy (OES) was used to determine temperature and density of the plasma electrons. The total surface free energy (SFE) was determined from the measurements of the contact angles. It was found that the double diaphragm arrangement improved the uniformity and wettability of PP treatment.

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