Helium/oxygen atmospheric pressure plasma treatment on poly(ethylene terephthalate) and poly(trimethylene terephthalate) knitted fabrics: Comparison of low-stress mechanical/surface chemical properties |
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| Authors: | Yoon Joong Hwang Marian G McCord Bok Choon Kang |
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| Institution: | (1) CSIRO Textile and Fibre Technology, P.O. Box 21, 3216 Belmont, Victoria, Australia;(2) Department of Textile Engineering, Chemistry and Science, College of Textiles, North Carolina State University, 27695 Raleigh, North Carolina, USA;(3) Department of Textile Engineering, Inha University, 402-751 Incheon, Korea |
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| Abstract: | Helium-oxygen plasma treatments were conducted to modify poly(trimethylene terephthalate)(PTT) and poly(ethylene terephthalate)
(PET) warp knitted fabrics under atmospheric pressure. Lubricant and contamination removals by plasma etching effect were
examined by weight loss (%) measurements and scanning electron microscopy (SEM) analysis. Surface oxidation by plasma treatments
was revealed by x-ray photoelectron spectroscopy (XPS) analyses, resulting in formation of hydrophilic groups and moisture
regain (%) enhancement. Low-stress mechanical properties (evaluated by Kawabata evaluation system) and bulk properties (air
permeability and bust strength) were enhanced by plasma treatment. Increasing interfiber and interyarn frictions might play
important roles in enhancing surface property changes by plasma etching effect, and then changing low-stress mechanical properties
and bulk properties for both fabrics. |
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| Keywords: | Plasma Etching PTT PET Surface modification |
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