Surface modification of poly(ethylene terephthalate) (PET) fibers induced by radiofrequency (RF) plasma treatment has been investigated systematically as a function of plasma device parameters, to identify the plasma-polymer surface interactions prevailing under different operating conditions and leading to an increased color depth upon dyeing. Some tests have also been performed employing chemically inert argon as a feedstock gas. The dyeing properties of plasma-treated fibers were correlated to their topographical characteristics, determined by AFM analysis, and to their chemical surface composition, determined by XPS analysis, while the plasma-originated UV radiation was found to have no relevant effects in PET surface modification. The relative importance of plasma-induced surface processes, such as etching and grafting of polar species, is discussed in relation to their role in modifying PET dyeing properties.

Cold plasma-induced modification of the dyeing properties of poly(ethylene terephthalate) fibers / A. Raffaele-Addamo, E. Selli, R. Barni, C. Riccardi, F. Orsini, G. Poletti, L. Meda, M.R. Massafra, B. Marcandalli. - In: APPLIED SURFACE SCIENCE. - ISSN 0169-4332. - 252:6(2006), pp. 2265-2275.

Cold plasma-induced modification of the dyeing properties of poly(ethylene terephthalate) fibers

RAFFAELE ADDAMO, ANTONINO;E. Selli;F. Orsini;G. Poletti;
2006

Abstract

Surface modification of poly(ethylene terephthalate) (PET) fibers induced by radiofrequency (RF) plasma treatment has been investigated systematically as a function of plasma device parameters, to identify the plasma-polymer surface interactions prevailing under different operating conditions and leading to an increased color depth upon dyeing. Some tests have also been performed employing chemically inert argon as a feedstock gas. The dyeing properties of plasma-treated fibers were correlated to their topographical characteristics, determined by AFM analysis, and to their chemical surface composition, determined by XPS analysis, while the plasma-originated UV radiation was found to have no relevant effects in PET surface modification. The relative importance of plasma-induced surface processes, such as etching and grafting of polar species, is discussed in relation to their role in modifying PET dyeing properties.
AFM; Air and Ar plasma treatment; Dyeing; Poly(ethylene terephthalate) fibers; XPS
Settore CHIM/02 - Chimica Fisica
Settore FIS/01 - Fisica Sperimentale
APPLIED SURFACE SCIENCE
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/25618
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