研究了氨基硅烷偶联剂(γ-APS)乙醇溶液浓度对铝板/聚丙烯界面粘接剪切强度的影响规律.聚丙烯(PP)中马来酸酐接枝聚丙烯(PP-g-MAH)含量为10%和20%时,不用γ-APS处理铝板表面的粘接剪切强度分别为10.03和10.76MPa;经过γ-APS处理后,粘接剪切强度和界面位移以较快速度增大,γ-APS浓度为3%时达到最大值.γ-APS处理将铝板表面转变为氨基-NH2,PP-g-MAH的酸酐及其水解形成的羧基与-NH2在界面形成了配位键.但γ-APS浓度高时,导致γ-APS弱界面层和PP-g-MAH的弱界面层,界面粘接强度和位移反而下降.
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