Hostname: page-component-745bb68f8f-lrblm Total loading time: 0 Render date: 2025-01-12T04:28:49.820Z Has data issue: false hasContentIssue false
  • English
  • Français

Ammonia RF-Plasma Treatment of Tubular ePTFE Vascular Prostheses : A Preliminary Study

Published online by Cambridge University Press:  10 February 2011

D. Mantovanil ,
M. Castonguay ,
J. F. Pageaul ,
M. Fiset  and
G. Laroche
D. Mantovanil
Affiliation:
Quebec Biomaterials Institute Department of Metallurgy, Laval University, Quebec City, Quebec, GIL 3L5, Canada, [email protected]
M. Castonguay
Affiliation:
Quebec Biomaterials Institute
J. F. Pageaul
Affiliation:
Quebec Biomaterials Institute
M. Fiset
Affiliation:
Department of Metallurgy, Laval University, Quebec City, Quebec, GIL 3L5, Canada, [email protected]
G. Laroche
Affiliation:
Quebec Biomaterials Institute
Get access

Abstract

A cylindrically-configured plasma treatment system in Radio Frequency Glow Discharges fed with ammonia was used to modify the internal surface of ePTFE arterial prostheses. The effects of RF-power on the surface chemical composition were characterized by XPS. Results show that the treatment at 20 W, for 250 seconds and under an ammonia pressure of 300 mtorr yielded a good compromise between ablation and substitution phenomena on the surface. With this treatment, fluorine content was decreased, while up to 20 % of the surface atoms were substituted by nitrogen.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 544: Symposium Y – Plasma Deposition and Treatment of Polymers , 1998 , 21
Copyright
Copyright © Materials Research Society 1999

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Griesser, H. J., Chatelier, R. C., Gengenbach, T. R., Vasic, Z. R., Johnson, G. and Steele, J. G., Polym. Int. 27, 109 (1992).Google Scholar
2. Ratner, B. D., Chilkoti, A. and Lopez, G. P., in Plasma Deposition, Treatment, and Etching of Polymers, D'Agostino, R., ed., Academic Press, New York, (1990), p. 463.Google Scholar
3. Sipehia, R., Biomat., Art. Cells & Immob. Biotech. 21, 647 (1993).Google Scholar
4. önig, U., Augsburg, A., Simon, F., Lunkwitz, D., Hermel, G., Werner, C., Miiller, M., Jacobash, H. J., ACS Polymer Preprints. 38, 1079 (1997).Google Scholar
5. Sipehia, R., Martucci, G., Barbarosie, M. and Wu, C., Biomat., Art. Cells & Immob. Biotech. 21, 455 (1993).Google Scholar
6. Wang, Y.J., Chen, C.H., Yeh, M.L., Hsiue, G.H. and Yu, B.C., J. Memb. Sci. 53, 275 (1990).Google Scholar
7. Favia, P., Stendardo, M. V. and d'Agostino, R., Plasmas and Polymers 1, 91 (1996).Google Scholar
8. Lin, J.C. and Cooper, S.L., J. Appl. Polymer Sci. : Appl. Polymer Symp. 54, 157 (1994).Google Scholar