Abstract
Polymaleimide (PMAI) was synthesized by reacting polymaleic anhydride (PMA) with urea via a solvent-free reaction at 180 °C. The conversion of PMA could reach 95%. This method is simple, practical and environmentally-friendly. The structure of the resulting PMAI was characterized by 1H-NMR and IR. © 2011.
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Zhang, X. R., Tang, B. T., & Zhang, S. F. (2011). A simple and practical solvent-free preparation of polymaleimide. Molecules, 16(3), 1981–1986. https://doi.org/10.3390/molecules16031981
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