期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 107, 期 3, 页码 1471-1478出版社
JOHN WILEY & SONS INC
DOI: 10.1002/app.27046
关键词
plasma treatment; polyamide; wettability; dye-ability; diffusion
The effect of atmospheric pressure plasma treatment on wettability and dyeability of nylon 6 fibers is investigated. The plasma treatments resulted in an average of 10 degrees-20 degrees decrease in the advancing contact angle and 20 degrees-30 degrees decrease in the receding contact angle. An increased dye diffusion rate of nylon 6 fibers was observed using laser scanning confocal microscope (LSCM). Scanning electron microscope confirmed that the fiber surfaces were roughened, and X-ray photoelectron spectroscopy showed that the polar groups on the fiber surfaces increased after the plasma treatments. As the plasma treatment time increased, a greater degree of etching was achieved and more polar groups such as hydroxyl and carboxyl groups produced on the surfaces of the nylon 6 fibers, leading to a better wettability and thus a better dyeability of the fiber. This study proved that LSCM may be effectively used in detecting the change of dye diffusion rate in nylon fibers treated with plasmas and the mounting medium should have a close refractive index as the fiber to avoid distortion of the fiber cross section image. (c) 2007 Wiley Periodicals, Inc.
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