Effect of electron beam irradiation on polyimide film

被引：25

作者：

Kang, Phil-Hyun ^{[1
]}

Jeon, Young-Kyou ^{[1
]}

Jeun, Joon-Pyo ^{[1
]}

Shin, Jin-Wook ^{[1
]}

Nho, Young-Chang ^{[1
]}

机构：

[1] Korea Atom Energy Res Inst, Adv Radiat Technol Inst, Jeongeup Si, Jeollabuk Do, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2008年 / 14卷 / 05期

关键词：

Electron beam; Irradiation; Polyimide;

D O I：

10.1016/j.jiec.2008.03.004

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effects of electron beam radiation on polyimide films were investigated through dynamic mechanical analysis (I)MA), in which the energy of the electron beam was set to a voltage of 1 MeV and a beam current of 4 mA. The beta(2) sub-glass relaxation temperature of polyimide decreased with irradiation dose, consisting with formation of free radicals at the ends of the molecular chains. The glass relaxation temperatures are not influenced as a function of increasing electron beam exposure because imide rings prevent structural damage by electron beam irradiation. Furthermore, decomposition temperatures of the irradiated polyimide slightly decrease, from 571.42 to 570.67 degrees C and the residue weight also decreases. (C) 2008 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：672 / 675

页数：4

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