Asymmetric surface modification of poly(ethylene terephthalate) film by CF4 plasma immersion

Wen, Chun-Ming; Chuang, Miao-Ju; Hsiue, Ging-Ho

doi:10.1016/j.apsusc.2005.05.059

Cited by 30 publications

(17 citation statements)

References 22 publications

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“…By applying plasma treatment, the outermost layers of a material can be altered without modification of the desired bulk properties, such as mechanical properties, thermal resistance, etc. [11][12][13][14]. Moreover, plasma-based processes are very fast (treatment times ranging from seconds to a few minutes) which makes them energy-efficient [7].…”

Section: Introductionmentioning

confidence: 99%

Effect of humid air exposure between successive helium plasma treatments on PET foils

Jacobs¹,

Morent²,

Desmet³

et al. 2010

Surface and Coatings Technology

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Section: Introductionmentioning

confidence: 99%

Effect of humid air exposure between successive helium plasma treatments on PET foils

Jacobs¹,

Morent²,

Desmet³

et al. 2010

Surface and Coatings Technology

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“…Tetrafluoromethane (CF 4 ) is often chosen as discharge gas to increase the hydrophobicity of polymer films, due to its mild etching and highly fluorinating characteristics [12]. Several fundamental studies on characterization of CF 4 plasma-treated surfaces can be found in literature [13][14][15][16][17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Increasing the Hydrophobicity of a PP Film Using a Helium/CF4 DBD Treatment at Atmospheric Pressure

Geyter

Morent

Gengembre

et al. 2008

Plasma Chem Plasma Process

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Plasma surface modification is widely used to tailor the surface properties of polymeric materials. Most treatments are performed using low pressure plasma systems, but recently, atmospheric dielectric barrier discharges (DBDs) have appeared as interesting alternatives. Therefore, in this paper, an atmospheric He + CF 4 DBD is used to increase the hydrophobicity of a polypropylene (PP) film. The surface characterization of the PP film is performed using contact angle measurements, X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM). Results show that the hydrophobic properties of the polymer films are greatly enhanced after plasma treatment as evidenced by an increased contact angle. The incorporation of fluorine on the surface is significant (45 at%), demonstrating the ability of the used DBD set-up to generate fluorine-containing functional groups on the PP surface.

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“…The surface hydrophobicity of SIR modified by CF 4 RF capacitively plasma was tested through SCA measurement in which the sessile drop technique is applied [23,24]. SCA for distilled water was analyzed on a drop shape analysis system-Kruss DSA100.…”

Section: Methods Of Characterizationmentioning

confidence: 99%

Surface Modification of Silicone Rubber by CF4 Radio Frequency Plasma Immersion

Gao

Zhou

Lei

et al. 2008

Plasma Chem Plasma Process

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Silicone rubber samples were treated by CF 4 capacitively coupled plasma at radio frequency (RF) power of 60, 100 and 200 W for a treatment time up to 20 min under CF 4 flow rate of 20 sccm, respectively. Static contact angle, ATR-FTIR and XPS, and AFM were employed to characterize the changes of surface on hydrophobicity, functional groups, and topography. The results indicate the static contact angle is improved from 100.7 to 150.2°, and the super-hydrophobic surface, which corresponds to a static contact angle of 150.2°, appears at RF power of 200 W for a 5 min treatment time. It is suggested that the formation of super-hydrophobic surface is ascribed to the co-action of the increase of surface roughness created by the ablation reaction of CF 4 plasma and the formation of [-SiF x (CH 3 ) 2-x -O-] n (x = 1, 2) structure produced by the direct attachment of F atoms to Si.

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Asymmetric surface modification of poly(ethylene terephthalate) film by CF4 plasma immersion

Cited by 30 publications

References 22 publications

Effect of humid air exposure between successive helium plasma treatments on PET foils

Effect of humid air exposure between successive helium plasma treatments on PET foils

Increasing the Hydrophobicity of a PP Film Using a Helium/CF4 DBD Treatment at Atmospheric Pressure

Surface Modification of Silicone Rubber by CF4 Radio Frequency Plasma Immersion

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