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Adhesive Property Enhancement by Photochemical Modification on Polyimide Sheet Surface by Irradiation with Excimer Lamp

Published online by Cambridge University Press:  15 February 2011

T. Okamoto ,
K. Hatao ,
T. Shimizu ,
M. Aoike  and
M. Murahara
T. Okamoto
Affiliation:
Faculty of Engineering, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259-12, JAPAN
K. Hatao
Affiliation:
Faculty of Engineering, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259-12, JAPAN
T. Shimizu
Affiliation:
Faculty of Engineering, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259-12, JAPAN
M. Aoike
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

Polyimide sheet surface was photochemically modified to be hydrophilic property with Xe2* excimer lamp ( λ =172nm) irradiation and pure water solution. The solution was sandwiched between the surface and fused silica glass. With the excimer lamp irradiation, the solution and the surface were excited; the surface was dehydrogenated by the hydrogen atoms which were photodissociated from pure water and replaced the photodissociated OH radicals. The hydrophilic property of the modified surface was evaluated by measuring the contact angle with water. The replacement of the OH radicals were confirmed by FTIR. The modified surface was bonded to stainless steel with an epoxy resin for evaluation of the adhesive strength by the shearing tensile test. As a result, the adhesion was increased to 1.4 times that of the non-irradiated sample.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 397: Symposium B – Advanced laser Processing of Materials-Fundamentals and Applications , 1995 , 555
Copyright
Copyright © Materials Research Society 1996

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References

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