采用三种不同固化收缩率的树脂配制了三种导电胶.通过实验研究了等温固化过程中树脂基体的固化收缩率对导电胶体积电阻率的影响.研究结果表明,树脂基体的固化收缩率越大,对应导电胶的体积电阻率越小.导电胶的体积电阻率与固化时间呈指数关系.导电胶在未固化时体积电阻率极大,其导电性的建立发生在树脂基体的凝胶化阶段,且在这一阶段中导电胶的电阻率急剧下降,凝胶化阶段完成后的导电胶电阻率变化较小.
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