用预辐射方法在PP上接枝丙烯酸乙酯,详细研究了辐射总剂量、单体浓度、溶剂、反应时间、反应温度等因素对接枝率的影响规律,并用红外光谱(FT-IR)对产物进行表征.实验表明,随着辐射总剂量的增加,PP的接枝率持续增加,在9 Mrad时达到最高点,然后,随着辐射总剂量的进一步增加,接枝率缓慢下降.当反应温度为110 ℃时,PP的接枝率最高.DSC表明PVC/PP-g-PEA的相容性好于PVC/PP的.
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