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一种含酚酞结构聚酰亚胺的合成及性能表征

DOI: 10.3724/SP.J.1105.2012.11180, PP. 278-283

Keywords: 聚酰亚胺,酚酞,热稳定性,透明性

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Abstract:

通过酚酞的硝化和还原,得到了一种新型的含酞结构和酚羟基的二胺单体,通过二胺和4,4′-六氟亚异丙基二(邻苯二甲酸酐)(6FDA)缩聚并高温亚胺化,得到了相应的含酚羟基聚酰亚胺PI-HP.利用1H-NMR、FTIR、GPC及热分析表征了PI-HP的结构和热性能,利用紫外-可见光谱表征了其透明性.结果表明,PI-HP在部分极性有机溶剂中如DMF、THF、丙酮中具有良好的溶解性,具有较高的热稳定性并在可见光区域具有较好的透明性,其含羟基可进一步修饰用于制备各种功能材料.

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