DOI: 10.1002/sia.1065. Plasma modification of PTFE surfaces. Part I: Surfaces immediately following plasma treatment

Plasma modification of PTFE surfaces. Part I: Surfaces immediately following plasma treatment

10.1002/sia.1065

Crossref journal-article

Wiley

Surface and Interface Analysis (311)

Abstract

AbstractPolytetrafluoroethylene (PTFE) was treated in a low‐power plasma using a series of feed gases (O2, Ar, N2 and NH3) and the resulting surface modifications were evaluated by x‐ray photoelectron spectroscopy, static secondary ion mass spectroscopy, dynamic contact angle measurements and atomic force microscopy. All plasma treatments caused light etching, but the nature and extent of chemical modification varied considerably. Fluorine depletion of the surface was affected most efficiently by Ar and least effectively by O2 plasma. New functionalities were introduced to the surface either from plasma derivatives of the feed gases or by post‐treatment exposure to moist air; Ar, N2 and NH3 were more effective than O2 in this respect. The wettability of virgin and plasma‐treated materials in phosphate‐buffered saline solution (PBS) and 1‐bromonaphthalene was studied, and the observations are discussed in a framework that correlates contact‐angle hysteresis with surface chemistry in a semi‐quantitative manner. In Part II of this work, further changes of the surface chemistry and wettability of virgin and plasma‐treated materials arising due to storage in PBS or air are described. Copyright © 2001 John Wiley & Sons, Ltd.

Bibliography

Wilson, D. J., Williams, R. L., & Pond, R. C. (2001). Plasma modification of PTFE surfaces. Part I: Surfaces immediately following plasma treatment. Surface and Interface Analysis, 31(5), 385â396. Portico.

Authors 3

D. J. Wilson (first)
R. L. Williams (additional)
R. C. Pond (additional)

References 40 Referenced 151

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Dates

Type	When
Created	22 years, 11 months ago (Sept. 10, 2002, 7:06 p.m.)
Deposited	1 year, 9 months ago (Nov. 19, 2023, 8:59 a.m.)
Indexed	1 month, 3 weeks ago (July 7, 2025, 9:06 a.m.)
Issued	24 years, 4 months ago (May 1, 2001)
Published	24 years, 4 months ago (May 1, 2001)
Published Online	24 years, 3 months ago (May 3, 2001)
Published Print	24 years, 4 months ago (May 1, 2001)

Funders 0

None

BibTeX

@article{Wilson_2001, title={Plasma modification of PTFE surfaces. Part I: Surfaces immediately following plasma treatment}, volume={31}, ISSN={1096-9918}, url={http://dx.doi.org/10.1002/sia.1065}, DOI={10.1002/sia.1065}, number={5}, journal={Surface and Interface Analysis}, publisher={Wiley}, author={Wilson, D. J. and Williams, R. L. and Pond, R. C.}, year={2001}, month=may, pages={385–396} }

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