Preparation and characterization of a novel bismalemide monomer

A novel bismalemide monomer 2,2'-Bis[4-(4-maleimidophenoxy) phenyl]propane was prepared by using maleic anhydride and 2,2'-bis[4-(4-aminophenoxy)phenyl]propane,with toluene and N,N'-dimethylformamide as the solvents.The monomer was characterized by means of FT-IR spectra,1H NMR,MS and element analysis.The result of HPLC shows that the purity of BMP-BMI is 98.0%,melting point of BMP-BMI is 135.2℃ and curing exothermic peak is 297.8℃,which means that BMP-BMI has a relatively wide processing window.Moreover,BMP-BMI is soluble in a variety of organic solvents.