研究合成了一种含有反应活性端基的聚乙二醇,并用FTIR和1H NMR对其进行表征,将合成产物对不饱和聚酯交联网络进行改性.结果证明,含有反应性马来酸酐端基的聚乙二醇参与不饱和聚酯的固化反应后,在交联网络中构成不同长度的柔性链段,阻止了聚乙二醇链段向不饱和聚酯表面的迁移.
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