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Molecules 2011, 16(3), 1981-1986; doi:10.3390/molecules16031981

A Simple and Practical Solvent-Free Preparation of Polymaleimide

,  and *
State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
* Author to whom correspondence should be addressed.
Received: 13 January 2011 / Revised: 8 February 2011 / Accepted: 9 February 2011 / Published: 28 February 2011
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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.
Keywords: polymaleimide; polymaleic anhydride; urea; solvent-free reaction polymaleimide; polymaleic anhydride; urea; solvent-free reaction
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Zhang, X.-R.; Tang, B.-T.; Zhang, S.-F. A Simple and Practical Solvent-Free Preparation of Polymaleimide. Molecules 2011, 16, 1981-1986.

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