Polymerization of 4,4′-bismaleimidediphenyl methane and N-phenylmaleimide was conducted in dimethyl formamide, catalyzed by nanocrystalline titania. The monomers and polymers involved were characterized with infrared spectroscopy, 1H-NMR, and 13C-NMR, respectively. The mechanism of the catalyzed polymerization was discussed as well.
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Wang et al. (1999) studied this question.
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