4.5 Article

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

期刊

MATERIALS RESEARCH EXPRESS
卷 4, 期 7, 页码 -

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IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/aa7705

关键词

plasma; PTFE; cathodic cage plasma nitriding

资金

  1. King Abdulaziz City for Science and Technology (KACST): General Directorate for Research Grants (GDRG) [MS. 35-15]

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Polymers such as polytetrafluoroethylene ( PTFE) are widely used in artificial organs where longterm 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 antibacterial 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.

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