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6842178 
Journal Article 
SYNTHESIS OF NEW N,N'-BISIMIDES FOR THERMOSTABLE POLYMERS 
Mognonov, DM; Radnaeva, LD; Varga, J; Tsyrennimaev, VZ; Erzh, BV; Izyneev, AA; Golovach, GI 
1991 
Yes 
Acta Polymerica
ISSN: 0323-7648
EISSN: 1521-4044 
42 
2-3 
130-132 
WOS:A1991FH99400021 
New N,N'-bisimides were synthesized by condensation of polynuclear aromatic diamines with maleic anhydride. The obtained N,N'-bisimides are crystalline yellow-coloured compounds, soluble in acetone, dioxan, amidic solvents, organic and inorganic acids. Their structure was identified by elemental analysis, NMR and IR spectroscopy. The N,N'-bisimides were polycondensated with diamines in cresol solution to high polymers.<