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1998•Acta Chimica SinicaRequires access

Investigation of the Surface Dynamics of PET Treated by CF_4/CH_4 Plasmas IV. Application of Static State,Dynamic Contact Angle and Angle -dependent XPS Methods

Liang Zhang, Xiao Chen

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Abstract

The surface dynamic behaviors of PET modified by CF4/CH4 plasmas were investigated by static state, dynamic contact angle and X- ray photoelectron spectroscopy (XPS) techniques.lt was found that the hydrophobic characteristics of the modified PET surface decreased through water immersion. Decay constant k of Surface Dynamics of the modified surface can be calculated using the measurement results of the contact angle and the angle - dependent XPS, being a probe, k values can be used to characterize the surface dynamic behavior of the modified PET. Experiments proved that the CF4/CH4 plasmas show stronger hydrophobic effect than that of pure CF4 plasma alone.

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What this paper is about

The surface dynamic behaviors of PET modified by CF4/CH4 plasmas were investigated by static state, dynamic contact angle and X- ray photoelectron spectroscopy (XPS) techniques.lt was found that the hydrophobic characteristics of the modified PET surface decreased through water immersion. Decay constant k of Surface Dynamics of the modified surface can be calculated using the measurement results of the contact angle and the angle - dependent XPS, being a probe, k values can be used to characterize the surface dynamic behavior of the modified PET. Experiments proved that the CF4/CH4 plasmas show stronger hydrophobic effect than that of pure CF4 plasma alone.

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Available abstract

The surface dynamic behaviors of PET modified by CF4/CH4 plasmas were investigated by static state, dynamic contact angle and X- ray photoelectron spectroscopy (XPS) techniques.lt was found that the hydrophobic characteristics of the modified PET surface decreased through water immersion. Decay constant k of Surface Dynamics of the modified surface can be calculated using the measurement results of the contact angle and the angle - dependent XPS, being a probe, k values can be used to characterize the surface dynamic behavior of the modified PET. Experiments proved that the CF4/CH4 plasmas show stronger hydrophobic effect than that of pure CF4 plasma alone.

Key concepts: X-ray photoelectron spectroscopy, Contact angle, Chemistry, Analytical Chemistry (journal), Plasma, Surface (topology), Chemical engineering, Composite material

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