将纳米CaCO3先分散在醋酸乙烯(VAc)中,再进行VAc溶液聚合,以原位聚合的方法制得纳米CaCO3/PVAc复合材料.主要研究了纳米CaCO3在VAc中的最佳分散条件和VAc溶液聚合的最佳条件参数,对不同纳米CaCO3含量的复合材料进行红外、透射电镜表征和断裂强度、断裂伸长率等性能的测试.结果显示:CaCO3与PVAc存在化学键的结合,CaCO3在PVAc中呈纳米级分散,当纳米CaCO3质量分数为0.2%～0.3%时,该复合材料力学性能最佳.
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