Active screen cage pulsed dc discharge for implanting copper in polytetrafluoroethylene (PTFE)

Polymers such as polytetrafluoroethylene (PTFE) are widely used in artificial organs where long-term anti-bacterial properties are required to avoid bacterial proliferation. Copper or silver ion implantation on the polymer surface is known as a viable method to generate long-term anti-bacterial prop...

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Bibliographic Details
Published in:Materials research express 2017-07, Vol.4 (7), p.75304
Main Authors: Zaka-ul-Islam, Mujahid, Naeem, Muhammad, Shafiq, Muhammad, Sitara, Al-Rajab, Abdul Jabbar, Zakaullah, Muhammad
Format: Article
Language:English
Subjects:
cathodic cage plasma nitriding
plasma
PTFE
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Summary:Polymers such as polytetrafluoroethylene (PTFE) are widely used in artificial organs where long-term anti-bacterial properties are required to avoid bacterial proliferation. Copper or silver ion implantation on the polymer surface is known as a viable method to generate long-term anti-bacterial properties. Here, we have tested pulsed DC plasma with copper cathodic cage for the PTFE surface treatment. The surface analysis of the treated specimens suggests that the surface, structural properties, crystallinity and chemical structure of the PTFE have been changed, after the plasma treatment. The copper release tests show that copper ions are released from the polymer at a slow rate and quantity of the released copper increases with the plasma treatment time.
ISSN:2053-1591
2053-1591
DOI:10.1088/2053-1591/aa7705