Abstract
AbstractBased on the 9,9‐di(4‐anilinyl)fluorene, structurally different fluorene‐polyimino ketones have been obtained by the Buchwald‐Hartwig cross coupling reaction. Their structure and performance have been characterized by FT‐IR, 1H NMR, UV‐vis and thermal analysis. The results show an agreement with the proposed structure, which possesses high glass transition temperature (Tg>250 °C) and good thermal stability with high decomposition temperatures in nitrogen atmosphere (TD>520 °C). Additionally, the polymers synthesized showed good solubility, which can be dissolved in common organic solvent CHCl3 at room temperature.
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