TY - JOUR
T1 - Surface Characterization of Helium Plasma Treated Nano-SiO<sub>2</sub> Sol-gel Coated UHMWPE Filaments by Contact Angle Experiments and ATR-FTIR
JO - Journal of Fiber Bioengineering and Informatics
VL - 1
SP - 50
EP - 54
PY - 2010
DA - 2010/03
SN - 3
DO - http://doi.org/10.3993/jfbi06201009
UR - https://global-sci.org/intro/article_detail/jfbi/4945.html
KW - Plasma jets
KW - UHMWPE
KW - contact angle
KW - fourier transform infrared spectroscopy
AB - 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.