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Surface Characterization of Helium Plasma Treated Nano-SiO<sub>2</sub> Sol-gel Coated UHMWPE Filaments by Contact Angle Experiments and ATR-FTIR

Surface Characterization of Helium Plasma Treated Nano-SiO<sub>2</sub> Sol-gel Coated UHMWPE Filaments by Contact Angle Experiments and ATR-FTIR
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Year:    2010

Journal of Fiber Bioengineering and Informatics, Vol. 3 (2010), Iss. 1 : pp. 50–54

Abstract

Ultrahigh molecular weight polyethylene (UHMWPE) Filaments has a low surface free energy and therefore modification of their surface properties before any use is often needed. Atmospheric pressure plasmas treatment is a convenient and environment friendly way to obtain these modifications by introducing new chemical groups at the surface without affecting the bulk properties. This paper studies the influence of nano-SiO_2 Sol-gel coated pretreatment on atmospheric pressure jet (APPJ) treatment of UHMWPE fibers with helium used as the treatment gas. The surface properties of the plasma-treated UHMWPE Filaments are characterized using contact angle measurements and ATR-FTIR spectroscopy. The UHMWPE Filaments show a remarkable increase in surface free energy after plasma treatment. ATR-FTIR spectroscopy of the plasma-treated UHMWPE Filaments reveals that plasma treatment introduces oxygen-containing functionalities, such as ketones, aldehydes, alcohols and carboxylic acids on the UHMWPE Filaments surface leading to the increase of surface free energy.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.3993/jfbi06201009

Journal of Fiber Bioengineering and Informatics, Vol. 3 (2010), Iss. 1 : pp. 50–54

Published online:    2010-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    5

Keywords:    Plasma jets

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