Journal
APPLIED SURFACE SCIENCE
Volume 258, Issue 24, Pages 10168-10174Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2012.06.100
Keywords
Para-aramid fiber; Dielectric barrier discharge; Argon plasma; Adhesive performance; Wettability
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Funding
- China National 973 Project [2011CB606103]
- Fundamental Research Funds for the Central Universities [11D10625]
- Shanghai Leading Academic Discipline Project [B603]
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This paper is focused on influence of argon dielectric barrier discharge (DBD) plasma on the adhesive performance and wettability of para-aramid fibers and three parameters including treated power, exposure time and argon flux were detected. The interfacial shear strength (IFSS) was greatly increased by 28% with 300 W, 60 s, 2 L min(-1) argon flux plasma treatment. The content of oxygen atom and oxygen-containing polar functional groups were enhanced after the argon plasma treated, so as the surface roughness, which contributed to the improvement of surface wettability and the decrease of contact angle with water. However, long-time exposure, exorbitant power or overlarge argon flux could partly destroy the prior effects of the treatment and damage the mechanical properties of fibers to some degree. (c) 2012 Elsevier B.V. All rights reserved.
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