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Plasma Treatment of Polyethylene Powder Particles in a Hollow Cathode Glow Discharge
Author(s) -
Quitzau Meike,
Wolter Matthias,
Kersten Holger
Publication year - 2009
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.200930909
Subject(s) - glow discharge , x ray photoelectron spectroscopy , materials science , contact angle , wetting , cathode , surface modification , polyethylene , plasma , analytical chemistry (journal) , aluminium , chemical engineering , composite material , chemistry , chromatography , physics , quantum mechanics , engineering
A hollow cathode glow discharge mounted in a spiral conveyor has been employed for surface modification of polyethylene (PE) powders. This combination of powder agitation and plasma treatment allows for a homogeneous surface modification for powders as well for foils. In this study, first the results of plasma treatment of PE powders are represented using different process gases (Ar, N 2 , CO 2 ) and different hollow cathode materials like copper and aluminum. The modified PE is analyzed by water contact angle (WCA) measurement to prove changes in wettability and by X‐ray photoelectron spectroscopy (XPS) to prove changes in surface composition and to detect formed polar functional groups. Furthermore, the aging of the plasma treated PE material has been investigated.