Heterocyclic Poly(bismaleimide)s. I. Synthesis and Characterization of New Poly(amino-bismaleimide)s Containing Parabanic Rings

Abstract
New poly(amino-bismaleimide)s containing parabanic rings were obtained by the polyaddition reaction of parabanic bismaleimide III with various aromatic diamines A(1–4). The polymers are partially soluble in aprotic dipolar solvents and showed higher thermal stability than other polymers without parabanic units.

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