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A simple and practical solvent-free preparation of polymaleimide
Xing-Rong Zhang1, Bing-Tao Tang, Shu-Fen Zhang
1State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China.
Molecules (Basel, Switzerland)
|March 2, 2011
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.
