摘要
研究合成了一种含有反应活性端基的聚乙二醇 ,并用 FTIR和 1 H 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 。
The polyethylene glycols terminated by reactive maleic anhydride are synthesized and used as a modifier for the high crosslinking degree unsaturated polyester. The products are characterized by FTIR and 1H NMR spectroscopy. The results indicate that the polyethylene glycols terminated by reactive maleic anhydride participate in the curing reaction of the unsaturated polyester and introduce soft segments into the network.The migration of polyethylene glycol in the cured samples is restricted to the surface.
出处
《绝缘材料》
CAS
北大核心
2003年第4期3-6,共4页
Insulating Materials
基金
国家自然科学基金 ( 5 962 5 3 0 7)
广东省教育厅"千百十人才"专项基金资助项目
