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Krf Excimer Laser Induced Photochemical Modification of Polyphenylenesulfide Surface Into Hydrophilic Property

Published online by Cambridge University Press:  22 February 2011

H. Kashiura ,
M. Okoshi  and
M. Murahara
H. Kashiura
Affiliation:
Faculty of Engineering, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-12, Japan
M. Okoshi
Affiliation:
Faculty of Engineering, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-12, Japan
M. Murahara
Affiliation:
Faculty of Engineering, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-12, Japan
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Abstract

Carboxyl groups were photochemically substituted for hydrogen atoms at a polyphenylenesulfide surface by using an KrF excimer laser light and vaporized formic acid. In the process, the polyphenylenesulfide film was placed in the formic acid vapor, and the surface was irradiated with the KrF excimer laser light. Irradiating with the laser, the surface was dehydrogenated by the hydrogen atoms which were photodissociated from the formic acid; the dangling bonds on the surface combined with the COOH radicals which were also photodissociated. The hydrophilic property of the photomodified surface was evaluated by the measurement of the contact angle with water. The dehydrogenation reaction and the substitution reaction of the COOH radicals were inspected by XPS analysis. Surface morphology of the sample was observed by SEM photograph.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 334: Symposium W – Gas-Phase and Surface Chemistry in Electronic Materials Processing , 1993 , 391
Copyright
Copyright © Materials Research Society 1994

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