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Comparison of Atmospheric‐Pressure Plasma versus Low‐Pressure RF Plasma for Surface Functionalization of PTFE for Biomedical Applications

Comparison of Atmospheric‐Pressure Plasma versus Low‐Pressure RF Plasma for Surface... Summary: PTFE surface modifications have been realized using low‐pressure RFGD, DBD and APGD in different atmospheres. Compared to the RFGD NH3 plasma, the DBDs operating in H2/N2 lead to similar surface concentrations of amino groups and similar surface damage, but with a much higher specificity. Both APGDs in H2/N2 and NH3/N2 lead to lower concentrations of amino groups, but with similar specificity, and with lower surface damage than the RFGD treatment. A method is proposed to evaluate the efficiency of the different discharges for amine surface functionalization of PTFE, and it is concluded that the NH3/N2 APGD discharge is the one that give the best results for an effective surface treatment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plasma Processes and Polymers Wiley

Comparison of Atmospheric‐Pressure Plasma versus Low‐Pressure RF Plasma for Surface Functionalization of PTFE for Biomedical Applications

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References (42)

Publisher
Wiley
Copyright
Copyright © 2006 Wiley Subscription Services
ISSN
1612-8850
eISSN
1612-8869
DOI
10.1002/ppap.200600012
Publisher site
See Article on Publisher Site

Abstract

Summary: PTFE surface modifications have been realized using low‐pressure RFGD, DBD and APGD in different atmospheres. Compared to the RFGD NH3 plasma, the DBDs operating in H2/N2 lead to similar surface concentrations of amino groups and similar surface damage, but with a much higher specificity. Both APGDs in H2/N2 and NH3/N2 lead to lower concentrations of amino groups, but with similar specificity, and with lower surface damage than the RFGD treatment. A method is proposed to evaluate the efficiency of the different discharges for amine surface functionalization of PTFE, and it is concluded that the NH3/N2 APGD discharge is the one that give the best results for an effective surface treatment.

Journal

Plasma Processes and PolymersWiley

Published: Jan 15, 2006

Keywords: ; ; ; ; ; ;

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