Plasma surface modification of ePTFE vascular grafts

Suzanne Jardine; J. I B Wilson

doi:10.1002/ppap.200400044

Plasma surface modification of ePTFE vascular grafts

Suzanne Jardine, J. I B Wilson

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Exposure to RF plasma in argon, oxygen or ammonia has converted the normally hydrophobic surface of ePTFE tubing to a stable hydrophilic surface. The change has been maximised by statistical selection of the plasma parameters and has been analysed by contact angle measurements with three liquids, in order to obtain the dispersive and polar components of the surface energy, and by XPS. Argon produced the most hydrophilic surfaces (and oxygen the least) due to a much-increased polar component of their surface energy. © 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Original language	English
Pages (from-to)	328-333
Number of pages	6
Journal	Plasma Processes and Polymers
Volume	2
Issue number	4
DOIs	https://doi.org/10.1002/ppap.200400044
Publication status	Published - 12 May 2005

Keywords

Contact angle (CA)
ESCA/XPS
Polytetrafluoroethylene (PTFE)
Radio frequency glow discharges (RFGD)
Surface energy

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10.1002/ppap.200400044

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abstract = "Exposure to RF plasma in argon, oxygen or ammonia has converted the normally hydrophobic surface of ePTFE tubing to a stable hydrophilic surface. The change has been maximised by statistical selection of the plasma parameters and has been analysed by contact angle measurements with three liquids, in order to obtain the dispersive and polar components of the surface energy, and by XPS. Argon produced the most hydrophilic surfaces (and oxygen the least) due to a much-increased polar component of their surface energy. {\textcopyright} 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.",

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AU - Wilson, J. I B

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AB - Exposure to RF plasma in argon, oxygen or ammonia has converted the normally hydrophobic surface of ePTFE tubing to a stable hydrophilic surface. The change has been maximised by statistical selection of the plasma parameters and has been analysed by contact angle measurements with three liquids, in order to obtain the dispersive and polar components of the surface energy, and by XPS. Argon produced the most hydrophilic surfaces (and oxygen the least) due to a much-increased polar component of their surface energy. © 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

KW - Contact angle (CA)

KW - ESCA/XPS

KW - Polytetrafluoroethylene (PTFE)

KW - Radio frequency glow discharges (RFGD)

KW - Surface energy

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JO - Plasma Processes and Polymers

JF - Plasma Processes and Polymers

IS - 4

ER -

Plasma surface modification of ePTFE vascular grafts

Abstract

Keywords

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