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Effects of homogeneous irradiation of electron beam with low potential on adhesive strength of polymethyl methacrylate composite sheet covered with nylon-6 film

Published online by Cambridge University Press:  31 January 2011

Yoshitake Nishi ,
Hironori Sato ,
Keisuke Iwata ,
Yoshitake Nishi  and
Keisuke Iwata
Yoshitake Nishi*
Affiliation:
Department of Metallurgical Engineering, Graduate School of Engineering, Tokai University, Hiratsuka, Kanagawa 259-1292, Japan
Keisuke Iwata
Affiliation:
Department of Metallurgical Engineering, Graduate School of Engineering, Tokai University, Hiratsuka, Kanagawa 259-1292, Japan
Keisuke Iwata
Affiliation:
Doctoral Graduate School of Science and Technology, Tokai University, Hiratsuka, Kanagawa 259-1292, Japan
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

By using homogeneous electron-beam (EB) irradiation, rapid adhesion between nylon-6 film and polymethyl methacrylate (PMMA) was successfully developed. Effects of homogeneous irradiation of electron beam with low potential (HIEBL) on adhesive strength of different polymers without glue were investigated. HIEBL less than 0.216MJ kg−1 (MGy) increased the adhesive strength and its strain of composites constructed with nylon-6 film and PMMA, although additional HIEBL at more than 0.432 MGy apparently decreased the adhesive strain. HIEBL less than 0.432 MGy also enhanced the elasticity (dσ/dε)o of composites. To evaluate the influence of HIEBL on the adhesive strength, electron spin resonance signals that relate to dangling bonds were observed. Because EB irradiation generated dangling bonds in polymethyl methacrylate and nylon-6, dangling bonds probably acted reactive and bonding sites to each polymer at interface. Therefore, HIEBL enhanced the adhesive strength as well as elasticity of the composites.

Keywords

AdhesionElectron irradiationPolymer
Type
Articles
Information
Journal of Materials Research , Volume 24 , Issue 12 , December 2009 , pp. 3503 - 3509
Copyright
Copyright © Materials Research Society 2009

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