Surface modification of PET films by pulsed argon plasma

The rf power was modulated (discharge on‐time of 10 μs and discharge off‐time of 50–500 μs), for pulsed argon (Ar) and oxygen (O2) plasmas used to irradiate PET film surfaces to modify the film surfaces. From data regarding the contact angle for the modified PET film surfaces and chemical analyses w...

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Bibliographic Details
Published in:Journal of applied polymer science 2002-09, Vol.85 (14), p.2845-2852
Main Authors: Inagaki, N., Tasaka, S., Narushima, K., Kobayashi, H.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
irradiation
modification
Physicochemistry of polymers
Polymers and radiations
Properties and characterization
surfaces
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Summary:The rf power was modulated (discharge on‐time of 10 μs and discharge off‐time of 50–500 μs), for pulsed argon (Ar) and oxygen (O2) plasmas used to irradiate PET film surfaces to modify the film surfaces. From data regarding the contact angle for the modified PET film surfaces and chemical analyses with XPS, effects of the rf power modulation on the surface modification are discussed. The pulsed Ar and O2 plasmas are effective in modification of the PET film surface. There is no difference in the contact angle between the pulsed plasma and the continuous plasma. Furthermore, the pulsed Ar plasma is advantageous in formation of hydroxyl groups on the PET film surfaces. The rf power modulation has a possibility to modify into peculiar surfaces. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 85: 2845–2852, 2002
ISSN:0021-8995
1097-4628
DOI:10.1002/app.10865